K. Fujiwara

发表

Supramolecular chiroptical switching of helical-sense preferences through the two-way intramolecular transmission of a single chiral source.

Ryo Katoono, Keiichi Kusaka, Yuki Tanaka, 2018, Organic & biomolecular chemistry.

A novel redox switch for fluorescence: drastic UV-vis and fluorescence spectral changes upon electrolysis of a hexaphenylethane derivative of 10,10'-dimethylbiacridan

A. Migita, H. Higuchi, K. Fujiwara, 2003 .

Preparation and structure of acenaphthylene-1,2-diyldi(9-acridine) derivatives with a long C=C bond.

Ryo Katoono, T. Takeda, K. Fujiwara, 2014, Chemical communications.

Total synthesis of kehokorins A and B

Y. Kondo, Daisuke Sato, U. Akiba, 2019, Tetrahedron Letters.

Convergent synthesis of the IJKLM-ring part of ciguatoxin CTX3C

A. Murai, K. Fujiwara, Takanori Suzuki, 2005 .

Convergent synthesis of the ABCDE-ring part of ciguatoxin CTX3C

Hideki Tanaka, Daisuke Sato, A. Murai, 2004 .

Total synthesis of pectenotoxin-2.

T. Norikura, Ryo Katoono, A. Murai, 2014, Angewandte Chemie.

Improved synthesis of C8-C20 segment of pectenotoxin-2

A. Murai, Yuki Suzuki, K. Fujiwara, 2011 .

Synthesis of the C8–C20 and C21–C30 segments of pectenotoxin 2

A. Murai, K. Fujiwara, Takanori Suzuki, 2007 .

Synthesis of the common left-half part of pectenotoxins

A. Murai, K. Fujiwara, Takanori Suzuki, 2005 .

The Substituent Effect on Stereoselective Reductive Lithiation of 4, 5-Disubstituted 2-Phenylthiooxolane

A. Murai, K. Fujiwara, S. Amano, 1998 .

Molecular Wires with Controllable π-Delocalization Incorporating Redox-Triggered π-Conjugated Switching Units.

T. Fukushima, Ryo Katoono, K. Fujiwara, 2018, ChemPlusChem.

Alkylbenzoquinone involved in development of cellular slime molds.

Eri Fukuda, Y. Takaya, K. Fujiwara, 2014, Organic letters.

Ultralong carbon-carbon bonds in dispirobis(10-methylacridan) derivatives with an acenaphthene, pyracene, or dihydropyracylene skeleton.

T. Takeda, Y. Hinatsu, M. Wakeshima, 2008, Chemistry.

Intramolecular triarylmethane-triarylmethylium complexes with a naphthalene-1,8-diyl skeleton: isolation, structure, and reactivities of the C--H-bridged carbocations.

T. Takeda, K. Fujiwara, Takanori Suzuki, 2007, Chemistry.

Transmission of Point Chirality to Axial Chirality for Strong Circular Dichroism in Triarylmethylium-o,o-dimers

J. Yoshida, Ryo Katoono, A. Nagaki, 2018, Synlett.

Preparation, properties, and X-ray structures of 5,5 ′ -bi(8-aminoquinoxalyl)s: novel Wurster-type electron donors with a heterobiaryl skeleton

K. Fujiwara, Takanori Suzuki, H. Kawai, 2004 .

Redox-Mediated Reversible σ-Bond Formation/Cleavage

T. Fukushima, Ryo Katoono, J. Nishida, 2015 .

Reversible Interconversion between 11,11,12,12-Tetraaryl-1,4-diaza/-1,4,5,8-tetraazaanthraquinodimethanes and Their Cationic Species: Electrochromic and Halochromic Responses

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2015 .

Preparation, Redox Properties, and X-ray Structures of Electrochromic 11,11,12,12-Tetraarylanthraquinodimethane and Its Bianthraquinodimethane Analogue: Drastic Geometrical Changes upon Interconversion with Dicationic Dyes

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2014 .

New insights into the hexaphenylethane riddle: formation of an α,o-dimer.

Ryo Katoono, T. Takeda, K. Fujiwara, 2015, Angewandte Chemie.

Bis(10-methylacridinium)s as a versatile platform for redox-active functionalized dyes and novel structures.

Ryo Katoono, T. Takeda, K. Fujiwara, 2015, Chemical record.

Oxidative Protonolysis of the Expanded Central C–C Bond in a Di(spiroacridan)-type Hexaphenylethane Derivative Accompanied by UV–vis, FL, and CD Spectral Changes

T. Fukushima, Ryo Katoono, F. Kakiuchi, 2014 .

Expandability of Ultralong C–C Bonds: Largely Different C1–C2 Bond Lengths Determined by Low-temperature X-ray Structural Analyses on Pseudopolymorphs of 1,1-Bis(4-fluorophenyl)-2,2-bis(4-methoxyphenyl)pyracene

T. Fukushima, J. Yoshida, K. Murakoshi, 2014 .

Hexaphenylethanes with an Ultralong C–C Bond: Expandability of the C–C Bond in Highly Strained Tetraarylpyracenes

Ryo Katoono, T. Takeda, K. Fujiwara, 2013 .

Geometrical Remote Steric Effects in 4,5-Disubstituted-9,10-dihydrophenanthrenes: Expansion of Prestrained C9–C10 Bond in Di(spiroacridan) Derivatives

Ryo Katoono, T. Takeda, K. Fujiwara, 2013 .

Nonadditive Substituent Effects on Expanding Prestrained C-C Bond in Crystal: X-ray Analyses on Unsymmetrically Substituted Tetraarylpyracenes Prepared by a Flow Microreactor Method

J. Yoshida, Ryo Katoono, A. Nagaki, 2012 .

Ultralong C-C bonds in hexaphenylethane derivatives

T. Takeda, K. Fujiwara, Takanori Suzuki, 2008 .

Reactions of neocarzinostatin chromophore analogues with molecular oxygen

M. Hirama, K. Fujiwara, Tomonari Tanaka, 1994 .

On the origin of photo-lability of neocarzinostatin chromophore

M. Hirama, K. Fujiwara, T. Nehira, 1993 .

Oxidative triggering for aromatization of the neocarzinostatin chromophore

M. Hirama, Toŝhiyuki Tanaka, K. Fujiwara, 1990 .

Synthesis of a hybrid molecule containing neocarzinostatin chromophore analogue and minor groove binder

M. Uesugi, Y. Sugiura, M. Hirama, 1993 .

Controllability of dynamic double helices: quantitative analysis of the inversion of a screw-sense preference upon complexation

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2015, Chemical science.

Chromic and fluorescence response system based on the dihydrophenanthroline-bipyridine skeleton: dynamic redox behavior and metal binding properties

Masako Kato, T. Takeda, K. Fujiwara, 2007 .

Stereoselective synthesis of Δ5 -oxonene and its novel ring contraction to Δ4 -oxocene

A. Murai, K. Fujiwara, D. Awakura, 1995 .

Total Synthesis of Medium‐Ring Ethers from Laurencia Red Algae

K. Fujiwara, 2008 .

4,5-Bis(diarylmethylene)-1,3-dithiole: A Novel Helical Electron Donor Exhibiting Electrochromic Behavior

S. Mikuni, H. Higuchi, K. Fujiwara, 2009 .

Designed molecular propellers based on tetraarylterephthalamide and their chiroptical properties induced by biased helicity through transmission of point chirality.

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2008, Chemical communications.

Hydrindacene-based acetylenic macrocycles with horizontally and vertically ordered functionality arrays.

Takao Saito, Tomoko Takahashi, K. Fujiwara, 2013, Chemistry.

Short nonbond and long C–C bond in naphthalene-1,8-diylbis(10-methylacridinium) and the corresponding hexaphenylethane derivative: a new electrochromic pair exhibiting dynamic redox properties

T. Takeda, K. Fujiwara, Takanori Suzuki, 2004 .

Controlled dynamic helicity of a folded macrocycle based on a bisterephthalamide with a twofold Z-shaped structure.

Ryo Katoono, Keiichi Kusaka, K. Fujiwara, 2014, Chemistry, an Asian journal.

Pyrazino-tetracyanonaphthoquinodimethanes: sterically deformed electron acceptors affording zwitterionic radicals

T. Fukushima, Y. Yamashita, K. Fujiwara, 2004 .

Intramolecular methylacridan-methylacridinium complexes with a phenanthrene-4,5-diyl or related skeleton: geometry-property relationships in isolable C-H bridged carbocations.

T. Takeda, K. Fujiwara, Takanori Suzuki, 2009, Chemistry.

Wurster's Blue-type cation radicals framed in a 5,10-dihydrobenzo[a]indolo[2,3-c]carbazole (BIC) skeleton: dual electrochromism with drastic changes in UV/Vis/NIR and fluorescence.

N. Fujii, H. Ohno, Ryo Katoono, 2014, Chemistry, an Asian journal.

Dynamic Figure Eight Chirality: Multifarious Inversions of a Helical Preference Induced by Complexation.

Ryo Katoono, Keiichi Kusaka, Yuki Tanaka, 2015, The Journal of organic chemistry.

Synthesis of the AB-ring segment for the convergent construction of the left half in ciguatoxin

Kentaro Kawai, Hideki Tanaka, A. Murai, 2002 .

La(otf)3-catalyzed 6-endo epoxide opening of 4, 5-epoxy-4-methoxymethyl-1-hexanols

A. Murai, K. Fujiwara, Tetsuo Tokiwano, 1995 .

Oxidative Conversion of Tetraaryldihydrodibenzothiepins into Elemental Sulfur and Stable Cationic Dyes Accompanied by Dual UV–vis and CD Spectral Changes

T. Fukushima, Ryo Katoono, K. Fujiwara, 2013 .

Synthesis of Ganbajunins D and E and the Proposed Structure of Thelephantin D

T. Norikura, Ryo Katoono, K. Fujiwara, 2015 .

Multi-input/multi-output molecular response system based on the dynamic redox behavior of 3,3,4,4-tetraaryldihydro[5]helicene derivatives: reversible formation/destruction of chiral fluorophore and modulation of chiroptical properties by solvent polarity.

H. Ikeda, K. Fujiwara, Takanori Suzuki, 2009, Chemistry.

Recent advances in the synthesis of trans-fused polycyclic ethers by hydroxy-epoxide-cyclization and ether-ring-expansion reactions

A. Murai, K. Fujiwara, A. Murai*, 2004 .

New Heterocyclic Dithioether Ligands for Highly Selective Separation and Recovery of Pd(II) from Acidic Leach Liquors of Spent Automobile Catalyst

Y. Kondo, F. Hamada, U. Akiba, 2017 .

Synthesis of the ABCDEF-ring of ciguatoxin 3C

Hideki Tanaka, Y. Kondo, Ryo Katoono, 2017 .

An Ireland–Claisen rearrangement/RCM based approach for the construction of the EF-ring of ciguatoxin 3C

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2013 .

Synthesis of the C22–C37 segment of prorocentin

A. Takemura, K. Fujiwara, Takanori Suzuki, 2011 .

Synthesis of (+)-laurencin via ring expansion of a C-glycoside derivative

A. Murai, K. Fujiwara, Takanori Suzuki, 2005 .

Synthesis and Relative Stereochemistry of the A- and F-Rings of Goniodomin A

Daisuke Sato, K. Fujiwara, Takanori Suzuki, 2007 .

Effect of Molecular Sieves and Methanol on the endo-Selectivity in La(Otf)3-catalyzed Cyclization of 5-Hydroxy-2-methoxymethyl-1,2-epoxide System

A. Murai, K. Fujiwara, Tetsuo Tokiwano, 2000 .

La(OTf)3-catalyzed 7-endo and 8-endo selective cyclizations of hydroxy epoxides

A. Murai, K. Fujiwara, Tetsuo Tokiwano, 1998 .

Redox-induced Conformational Changes in 1,3-Propylene- and m-Xylylenebis[5-(10-butyl-5,10-dihydrobenzo[a]indolo[2,3-c]carbazole)]: Twin-BIC Donors that Form Sandwich-like Dimeric Cations Exhibiting NIR Absorption

H. Ohno, Ryo Katoono, K. Fujiwara, 2016 .

Diastereoselective Synthesis of the GH Ring Part of Ciguatoxin

A. Murai, K. Fujiwara, H. Atsuta, 1997 .

A stereoselective method for the construction of the C8′–O–C6″ ether of nigricanoside-A: synthesis of simple models for the C20 lipid chain/galactosyl glycerol segment

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2013 .

Synthesis of the EF-ring segment of ciguatoxin CTX1B based on novel regioselective reduction of unsaturated cyanohydrins and ring-closing olefin metathesis

A. Takemura, A. Murai, K. Fujiwara, 2005 .

peri-Interaction between diarylmethyl and diarylmethylium units in 1,8-disubstituted naphthalenes: preference of localized structure for the C-H bridged carbocation

T. Takeda, J. Nishida, K. Fujiwara, 2004 .

Convergent synthesis of the common FGHI-ring part of ciguatoxins

A. Murai, K. Fujiwara, Takanori Suzuki, 2006 .

Synthesis of the common FGHI-ring part of ciguatoxins

A. Murai, K. Fujiwara, Takanori Suzuki, 2006 .

Synthesis of the C42-C52 part of ciguatoxin CTX3C

A. Murai, K. Fujiwara, Takanori Suzuki, 2005 .

Formal total synthesis of hemibrevetoxin B by a convergent strategy

Daisuke Sato, A. Murai, K. Fujiwara, 2004 .

Synthesis of the Tetrahydrofuran Ring Part of a Marine Toxin Polycavernoside-A

N. Hayashi, A. Murai, K. Fujiwara, 1994 .

SYNTHETIC STUDIES ON CIGUATOXIN 2; SYNTHESIS OF THE A,B,C-RING SYSTEM

A. Murai, K. Fujiwara, Takahiro Oka, 1998 .

Assembly of an Axially Chiral Dynamic Redox System with a Perfluorobiphenyl Skeleton into Dumbbell- or Tripod-type Electron Donors.

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2016, Angewandte Chemie.

Multi-input-multi-output molecular response system based on dynamic redox behavior of hexaphenylethane-type electron donors with the tetrahydrophenanthrazepine skeleton: strong chiroptical signals through the transmission of point chirality to helicity.

K. Fujiwara, Takanori Suzuki, H. Kawai, 2007, Chemistry, an Asian journal.

The 10-membered ring analogs of neocarzinostatin chromophore: design, synthesis and mode of decomposition

M. Hirama, K. Fujiwara, Y. Fukazawa, 1989 .

The Construction of the A,B,C-ring System of Ciguatoxin

A. Murai, K. Fujiwara, Takahiro Oka, 1997 .

Synthesis of both enantiomers of the BC-ring part of ciguatoxin

A. Murai, K. Fujiwara, Takahiro Oka, 1996 .

Novel Oxepane Formation by TiCl4-Catalyzed Nucleophilic Cleavage of 1-Alkoxymethyl-6,8-dioxabicyclo[3.2.1]octanes

A. Murai, K. Fujiwara, Tetsuo Tokiwano, 2000 .

THE SYNTHESIS OF THE COMMON C31-C40 FRAGMENT OF PECTENOTOXINS

A. Murai, K. Fujiwara, S. Amano, 1997 .

Novel branched ether formation via conjugate reduction of an unsaturated cyanohydrin derivative and its synthetic application to the EF-ring segment of ciguatoxin

A. Takemura, A. Murai, K. Fujiwara, 2004 .

Convergent Syntheses of the Enantiomeric CD- and JK-Ring Parts of Ciguatoxin

Kentaro Kawai, A. Murai, K. Fujiwara, 2001 .

Four-step convergent synthesis of trans-fused tetracyclic oxane

A. Murai, K. Fujiwara, H. Morishita, 2000 .

Exceptionally Large Difference in Bond Length among Conformational Isomorphs of a Hexaphenylethane Derivative with a Dispiropyracene Skeleton

T. Inabe, T. Takeda, K. Fujiwara, 2005 .

Synthesis of the ABC-ring models of goniodomin A: preference for the unnatural configuration at C11 of the BC-ring in a non-macrocyclic model system

K. Fujiwara, Takanori Suzuki, H. Kawai, 2008 .

[10]Paracyclophanediamides and their octadehydro derivatives: novel exotopic receptors with hydrogen-bonding sites on the bridge

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2004 .

Convergent Synthesis of the BCDE-Ring Part of Ciguatoxin

Kentaro Kawai, Hideki Tanaka, Y. Koyama, 2002 .

4,7-Bis(dimethylamino)benzimidazoles and twin-type derivatives: reversible two-stage redox system modulated by proton-transfer

T. Fukushima, K. Fujiwara, Takanori Suzuki, 2003 .

High selectivity and extractability of palladium from chloride leach liquors of an automotive catalyst residue by azothiacalix[4]arene derivative

Y. Kondo, F. Hamada, U. Akiba, 2017 .

A foldable cyclic oligomer: chiroptical modulation through molecular folding upon complexation and a change in temperature.

Ryo Katoono, Yuki Tanaka, K. Fujiwara, 2014, The Journal of organic chemistry.

Redox Switching of Conjugation Length Using 9,9,10,10-Tetraaryl-9,10-dihydrophenanthrene as an ON/OFF Unit: Preparation, X-ray Structure, and Redox Properties of Perfluorobiphenyl Derivative and Its SNAr Reactions to π-Extended Analogues

T. Fukushima, Ryo Katoono, J. Ichikawa, 2013 .

Induced preference for axial chirality in a triarylmethylium o,o-dimer upon complexation with natural γ-cyclodextrin: strong ECD signaling and fixation of supramolecular chirality to molecular chirality.

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2012, Chemical communications.

Hysteretic Tricolor Electrochromic Systems Based on the Dynamic Redox Properties of Unsymmetrically Substituted Dihydrophenanthrenes and Biphenyl-2,2'-Diyl Dications: Efficient Precursor Synthesis by a Flow Microreactor Method

J. Yoshida, A. Nagaki, J. Nishida, 2011, Materials.

Drastic change in racemization barrier upon redox reactions: novel chiral-memory units based on dynamic redox systems.

K. Fujiwara, Takanori Suzuki, H. Kawai, 2010, Chemical communications.

Negligible diradical character for the ultralong C–C bond in 1,1,2,2-tetraarylpyracene derivatives at room temperature

K. Murakoshi, R. Herges, T. Takeda, 2009 .

Unprecedented four-way-output molecular response system based on biphenyl-2,2′-diyldiacridiniums: induction of axial chirality through intramolecular hydrogen bonds between chiral amide groups

H. Higuchi, K. Fujiwara, Takanori Suzuki, 2008 .

Electrochiroptical systems based on biphenyl-2,2′-diyl-type dicationic dyes: strong chiroptical signals through the transmission of point chirality to axial chirality

K. Fujiwara, Takanori Suzuki, H. Kawai, 2007 .

A C(3)-symmetric chiroptical molecular propeller based on hexakis(phenylethynyl)benzene with a threefold terephthalamide: stereospecific propeller generation through the cooperative transmission of point chiralities on the host and guest upon complexation.

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2013, Chemical communications.

Dynamic molecular propeller: supramolecular chirality sensing by enhanced chiroptical response through the transmission of point chirality to mobile helicity.

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2009, Journal of the American Chemical Society.

Change in conformation upon complexation of double-armed terephthalamide hosts: dynamic molecular recognition of ditopic guests with strong CD signaling

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2006 .

Stereospecific change in conformation upon complexation of an exoditopic tetraamide host with a bis(ammonium) guest: chiral recognition and strong CD signaling.

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2005, Chemical communications.

Dynamic covalently bonded rotaxanes cross-linked by imine bonds between the axle and ring: inverse temperature dependence of subunit mobility.

Takeshi Umehara, Takashi Tsuji, Hidetoshi Kawai, 2006, Angewandte Chemie.

Entropy- and hydrolytic-driven positional switching of macrocycle between imine- and hydrogen-bonding stations in rotaxane-based molecular shuttles.

K. Fujiwara, Takanori Suzuki, H. Kawai, 2008, Journal of the American Chemical Society.

Effects of axle-core, macrocycle, and side-station structures on the threading and hydrolysis processes of imine-bridged rotaxanes.

K. Fujiwara, Takanori Suzuki, H. Kawai, 2012, Chemistry.

Multipoint recognition of catecholamines by hydrindacene-based receptors accompanied by the complexation-induced conformational switching.

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2005, Chemistry.

Positive homotropic allosteric binding of benzenediols in a hydrindacene-based exoditopic receptor: cooperativity in amide hydrogen bonding.

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2004, Journal of the American Chemical Society.

Complexation-induced inversion of helicity by an organic guest in a dynamic molecular propeller based on a tristerephthalamide host with a two-layer structure.

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2014, Chemical communications.

Stable neutral radicals based on the polyazaacene skeleton that exhibit high electrochemical amphotericity

Shuichi Suzuki, Ryo Katoono, K. Okada, 2012 .

1,4-Diaryl-7,10-dimethoxyquinoxalino[2,3-b]quinoxalines and Their Dihydro Derivatives : Redox Switching of NIR Absorption and Fluorescence

K. Fujiwara, Takanori Suzuki, H. Kawai, 2011 .

Molecular Gyroscope with a trans-Cyclohexane-1,4-diimine Rotor Unit: Isolation and Characterization of a Geometric Isomer as a Formal Intermediate of Hindered Rotation

K. Fujiwara, Takanori Suzuki, H. Kawai, 2012 .

Construction of Main-Chain Type Oligorotaxanes and Their Switching Properties: Controlled Dynamic Behavior by Imine-Bonding Formation and Cleavage

K. Fujiwara, Takanori Suzuki, H. Kawai, 2011 .

Chemical Realization of the Biogenetic Pathways Proposed for the Fused Polycyclic Ethers of Marine Origins

K. Fujiwara, 2010 .

The biomimetic construction of fused cyclic polyethers

N. Hayashi, A. Murai, K. Fujiwara, 1997 .

Recent advances in the synthesis of trans-fused polycyclic ethers by hydroxy-epoxide-cyclization and ether-ring-expansion reactions

A. Murai, K. Fujiwara, 2004 .

Highly selective separation and recovery of Pd(II) from the automotive catalyst residue with the thiocarbamoyl substituted azothiacalix[4]arene derivative

Y. Kondo, U. Akiba, K. Fujiwara, 2017 .

Electrochiroptical response of 2,2'-(2,2-diarylethenyl)binaphthyl-type electron donors that undergo reversible C-C bond formation/breaking upon two-electron transfer.

H. Higuchi, K. Fujiwara, Takanori Suzuki, 2003, The Journal of organic chemistry.

Intramolecular triarylmethane-triarylmethylium complex: Generation, properties, and X-ray structure of a C–H bridged carbocation

T. Takeda, K. Fujiwara, Takanori Suzuki, 2010 .

Dynamic Redox Systems as Electrochromic Materials: Bistability and Advanced Response

T. Fukushima, K. Fujiwara, Takanori Suzuki, 2007 .

Isolation and low-temperature x-ray analysis of intramolecular triarylmethane-triarylmethylium complex: preference for a C-H-bridged unsymmetric structure exhibiting a facile 1,5-hydride shift and charge-transfer interaction.

T. Takeda, K. Fujiwara, Takanori Suzuki, 2005, Journal of the American Chemical Society.

Two-way chromic interconversion of the 2,2'-biphenol-6,6'-diyl dication with 5H,10H-dioxapyrene or 9H,10H-4,5-dihydroxyphenanthrene.

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2015, Chemical communications.

Electrochromic and unique chiroptical properties of helically deformed tetraarylquinodimethanes generated from less-hindered dicationic precursors upon reduction

T. Fukushima, Ryo Katoono, Y. Tsuji, 2014 .

Electrochiroptical Response in Aqueous Media: 9,10-Dihydrophenanthrene-9,10-diyl Dications with Michlar's Hydrol Blue Chromophores Attached with Oligoethylene Glycol Units

T. Fukushima, Ryo Katoono, H. Higuchi, 2014 .

7,7,8,8-Tetraaryl-o-quinodimethane stabilized by dibenzo annulation: a helical π-electron system that exhibits electrochromic and unique chiroptical properties.

T. Fukushima, Ryo Katoono, Y. Tsuji, 2013, Chemistry.

Intramolecular Chirality Transfer in trans-5,6-Diaryl-5,6-dihydro-1,10-phenanthroline-5,6-diols: Solvato- and Halochromic Responses by Circular Dichroism

K. Fujiwara, Takanori Suzuki, T. Nehira, 2010 .

Halochromic Chiroptical Response of Novel Bis(9-acridinyl)-type Fluorophores with a Helical π Framework

K. Fujiwara, Takanori Suzuki, T. Nehira, 2010 .

Four-way-output molecular response system based on the dihydrodibenzo[c,g]phenanthrene skeleton : modulation of CD and FDCD activity by acid and electron-transfer

K. Fujiwara, Takanori Suzuki, T. Nehira, 2008 .

Butane-1,4-diyl dications stabilized by steric factors: electrochiroptical response systems based on reversible interconversion between dihydro[5]helicene-type electron acceptors and electron-donating 1,1'-binaphthyls.

H. Higuchi, K. Fujiwara, Takanori Suzuki, 2005, Organic & biomolecular chemistry.

Formation of keto-carbeniums from 1,2,2-triarylacenaphthen-1-ols by breaking a long CC bond: unusual alcohol protonolysis accompanied by formal hydride abstraction

K. Fujiwara, Takanori Suzuki, H. Kawai, 2003 .

First stable 7,7,8,8-tetraaryl-o-quinodimethane: isolation, X-ray structure, electrochromic response of 9,10-bis(dianisylmethylene)-9,10-dihydrophenanthrene.

H. Higuchi, K. Fujiwara, Takanori Suzuki, 2004, Chemical communications.

The first stable tetraarylacenaphthenequinodimethanes exhibiting electrochromism with ‘write-protect’ option: preparation, highly deformed structure, and reversible interconversion with acenaphthylene-5,6-diyl dicationic dyes

K. Fujiwara, Takanori Suzuki, Kazunori Ono, 2006 .

Dynamic redox systems based on bis(spiroxanthene)-type donors with a polycyclic aromatic hydrocarbon: preparation, X-ray structures, and electrochromic response with fluorescence change

H. Higuchi, K. Fujiwara, Takanori Suzuki, 2004 .

Bis(diarylethenyl)-thiophenes,-bithiophenes, and-terthiophenes: A new series of electrochromic systems that exhibit a fluorescence response

Ryo Katoono, H. Higuchi, H. Kikuchi, 2017 .

Three-way-output response system by electric potential: UV–vis, CD, and fluorescence spectral changes upon electrolysis of the chiral ester of tetracyanoanthraquinodimethane

H. Higuchi, K. Fujiwara, Takanori Suzuki, 2004 .

Chiroptical molecular propellers based on hexakis(phenylethynyl)benzene through the complexation-induced intramolecular transmission of local point chirality.

Ryo Katoono, Keiichi Kusaka, Yuki Tanaka, 2014, Organic & biomolecular chemistry.

Studies toward the total synthesis of armatol F: stereoselective construction of the C6 and C7 stereocenters and formation of the A-ring skeleton

Daisuke Sato, K. Fujiwara, Takanori Suzuki, 2010 .

Determination of the Absolute Configurations of Norte’s Obtusenynes by Total Syntheses of (12R,13R)-(−)- and (12S,13R)-(+)-Obtusenynes

A. Murai, K. Fujiwara, Daisuke Awakura, 1999 .

Concise stereoselective synthesis of cis-3-alkoxy-2-carbomethoxy medium-ring oxacycles from (R)-3-(3-butenyl)-4-propynoyloxazolidin-2-one

Daisuke Sato, K. Fujiwara, Takanori Suzuki, 2008 .

Total synthesis of selaginellin S

Y. Kondo, U. Akiba, K. Fujiwara, 2020, Tetrahedron Letters.

p-terphenyl derivatives from the mushroom Thelephora aurantiotincta suppress the proliferation of human hepatocellular carcinoma cells via iron chelation.

T. Norikura, K. Fujiwara, H. Matsue, 2013, Journal of agricultural and food chemistry.

Total synthesis of thelephantin O, vialinin A/terrestrin A, and terrestrins B-D.

T. Norikura, Ryo Katoono, K. Fujiwara, 2012, The Journal of organic chemistry.

Anticancer activities of thelephantin O and vialinin A isolated from Thelephora aurantiotincta.

T. Norikura, K. Fujiwara, H. Matsue, 2011, Journal of agricultural and food chemistry.

Stereoselective construction of an anti-β-alkoxy ether by Ireland–Claisen rearrangement for medium-ring ether synthesis

K. Fujiwara, Takanori Suzuki, H. Kawai, 2009 .

Synthesis and DNA cleaving abilities of functional neocarzinostatin chromophore analogs. Base discrimination by a simple alcohol

M. Uesugi, Y. Sugiura, M. Hirama, 1991 .

AgOTf-Promoted Conversion of 4,5-Epoxy-1-bromide into Tetrahydropyran Ring

N. Hayashi, A. Murai, K. Fujiwara, 1996 .

Fused cyclic ether formations from bromo-diepoxides by AgOTf-promoted successive ring expansion reactions

N. Hayashi, A. Murai, K. Fujiwara, 1996 .

Site-specific generation of nonstabilized α-aminocarbanions a novel methodology toward the synthesis of 2-aminoalcohols

Yoshinori Yamamoto, K. Fujiwara, S. Ito, 1991 .

Baeyer-Villiger oxidation of β-ionone with surfactant type peracid

Y. Fujise, K. Fujiwara, Yu Ito, 1988 .

AgOTf-Promoted Conversion of 4,5-Epoxy-1-bromide into Tetrahydropyran Ring.

N. Hayashi, A. Murai, K. Fujiwara, 1996 .

Fused Cyclic Ether Formations from Bromo-Diepoxides by AgOTf-Promoted Successive Ring Expansion Reactions.

N. Hayashi, A. Murai, K. Fujiwara, 1996 .

STEREOSELECTIVE SYNTHESIS OF THE A-RING OF ARMATOL A FROM A BROMO-SUBSTITUTED CHIRAL BUILDING BLOCK BASED ON IRELAND-CLAISEN REARRANGEMENT AND RING-CLOSING OLEFIN METATHESIS

K. Fujiwara, Takafumi Saito, Yuta Hirose, 2015 .

Synthesis of the DE-ring of goniodomin A and prediction of its natural relative stereochemistry

K. Fujiwara, Takanori Suzuki, H. Kawai, 2008 .

Polycavernoside C and C2, the new analogs of the human lethal toxin polycavernoside A, from the red alga, Gracilaria edulis

Tetsuya Seki, T. Yasumoto, M. Yotsu-Yamashita, 2007 .

Synthesis and biological evaluation of analogs of the marine toxin polycavernoside A.

S. Boulet, M. Yotsu-Yamashita, L. Paquette, 1999, Bioorganic & medicinal chemistry letters.

Double bond formation based on nitroaldol reaction and radical elimination: A prototype segment connection method for the total synthesis of nigricanoside A dimethyl ester

Y. Kondo, S. Okamoto, Ryo Katoono, 2018 .

Two diverse modes of aromatization of a new 10-membered ring analogue of neocarzinostatin chromophore

A. Kurisaki, M. Hirama, K. Fujiwara, 1990 .

Enyne[3]cumulene. Synthesis and mode of aromatization

M. Hirama, K. Fujiwara, H. Sakai, 1991 .

An improved synthesis of the C42–C52 segment of ciguatoxin 3C

Y. Kondo, Ryo Katoono, U. Akiba, 2018 .

Diastereoselective Synthesis of the GH Ring Part of Ciguatoxin.

A. Murai, K. Fujiwara, H. Atsuta, 1997 .

Formaldehyde Dimethyl Thioacetal Monoxide

J. Mckinney, K. Fujiwara, K. Ogura, 2009 .

A New Variant of Fused Cyclic Ether Synthesis Based on Ireland-Claisen Rearrangement and RCM

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2013, Natural product communications.

Synthesis of the cyclohexene segment of portimine

Y. Kondo, U. Akiba, K. Fujiwara, 2019, Tetrahedron Letters.

4-(2,5-Dimethyl-1H-pyrrol-1-yl)-N-(2,5-dioxopyrrolidin-1-yl) benzamide improves monoclonal antibody production in a Chinese hamster ovary cell culture

K. Nonaka, K. Fujiwara, Yuichi Aki, 2021, PloS one.

PHENANTHRENE-4,5-DIYLBIS(10-METHYLACRIDINIUM) WITH A SHORT C+ - - C+ CONTACT: PREPARATION, MOLECULAR STRUCTURE, REDOX PROPERTIES, AND ELECTROCHROMIC INTERCONVERSION WITH DIHYDROPYRENE DERIVATIVE

T. Takeda, K. Fujiwara, Takanori Suzuki, 2010 .

Preparation, Properties, and X-ray Structures of Bis(10-methyl-9-methyleneacridan)-type Electron Donors with a Thiophene, Bithiophene, or Terthiophene Skeleton: Redox Switching of Thiophene–Thienoquinoid Structure Accompanied by UV–vis–NIR Electrochromic Response

T. Fukushima, Ryo Katoono, K. Fujiwara, 2013 .

Time-integrated One-pot Synthesis, X-ray Structure, and Redox Properties of Electrochromic 1,3-Diarylisobenzofurans

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2013 .

Model studies for the stereoselective construction of the BC-ring of armatol F based on Ireland-Claisen rearrangement and relay ring-closing olefin metathesis

K. Fujiwara, Takanori Suzuki, H. Kawai, 2010 .

Tetracyanoanthraquinodimethanes with a chiral amide group: preparation, properties, and charge-transfer photochirogenetic reaction with 1,2-dianisylacenaphthene-1,2-diol.

H. Higuchi, K. Fujiwara, Takanori Suzuki, 2005, The Journal of organic chemistry.

Stereoselective synthesis of cis- and trans-2,3-disubstituted eight-membered medium-ring ethers based on Ireland–Claisen rearrangement of 3-alkoxy-2-propenyl glycolate esters and ring-closing olefin metathesis

Daisuke Sato, K. Fujiwara, Takanori Suzuki, 2005 .

5,10-Dihydrobenzo[a]indolo[2,3-c]carbazole: A Highly Fluorescent Disk-shaped Electron Donor Exhibiting Dual UV–vis–NIR and Fluorescence Spectral Changes upon Electrolysis

N. Fujii, H. Ohno, Ryo Katoono, 2013 .

Complexation-induced inversion of helicity by an organic guest in a dynamic molecular propeller based on a tristerephthalamide host with a two-layer structure.

Ryo Katoono, K. Fujiwara, Takanori Suzuki, 2014, Chemical communications.

Enhanced circular dichroism at elevated temperatures through complexation-induced transformation of a three-layer cyclophane with dualistic dynamic helicity

Ryo Katoono, K. Fujiwara, Yudai Obara, 2018, Chemical science.