Y. Butsugan

发表

Physalins N and O from Physalis alkekengi

M. Kawai, T. Ogura, B. Makino, 1992 .

Crystal structures of TiO2 thin coatings prepared from the alkoxide solution via the dip-coating technique affecting the photocatalytic decomposition of aqueous acetic acid

A. Tsuzuki, Y. Torii, Y. Butsugan, 1994, Journal of Materials Science.

TiO2 coating photocatalysts with nanostructure and preferred orientation showing excellent activity for decomposition of aqueous acetic acid

Y. Torii, Y. Butsugan, H. Taoda, 1996 .

SELECTIVE REDUCTION OF ORGANIC FUNCTIONAL GROUPS WITH INDIUM HYDRIDE REAGENTS

M. Yamada, M. Kawai, H. Yamamura, 1997 .

Photoelectrochemical Reduction of Tetrazolium Salts to Formazans on Surfaces of Semiconductor Powders in Alcohol Solutions

A. Fujishima, B. Loo, Y. Butsugan, 1995 .

Catalytic enantio- and diastereo-selective addition of diethylzinc to racemic α-thio- and α-seleno-aldehydes: asymmetric synthesis of optically active vicinal thio- and seleno-alcohols

Y. Butsugan, Makoto Watanabe, S. Araki, 1993 .

Synthesis and Chemical Transformations of 1,3‐Diaryltetrazolium Salts. Preparation of Mercury(II) and Palladium(II) Complexes of 1,3‐Diaryltetrazolylene and Reactions of 5‐Substituted 1,3‐Diphenyltetrazolium Salts with Nucleophiles

Y. Butsugan, K. Chiba, S. Araki, 1993 .

Synthesis of mesoionic analogues of heptafulvene via dicationic ether salts derived from mesoionic olates and trifluoromethanesulphonic anhydride

Y. Butsugan, S. Araki, Jiro Mizuya, 1985 .

SYNTHESIS OF ANHYDRO-3-PHENYL-5-DICYANOMETHYL-1,2,3-OXADIAZOLIUM HYDROXIDE. AN EXO-METHYLENE ANALOG OF SYDNONE

Y. Butsugan, S. Araki, Jiro Mizuya, 1984 .

On the Structure of Actinidine and Matatabilactone, the Effective Components of Actinidia polygama

Y. Butsugan, T. Sakan, A. Fujino, 1959 .

Synthesis of Homoallylamines by the Addition of Allylic Indium Reagents to Azomethines and Nitriles

Shun-Ji Jin, Y. Butsugan, S. Araki, 1993 .

Application of indium ate complexes to synthetic chemistry. Selective conjugate addition to enones and coupling with allylic halides

Shun-Ji Jin, Y. Butsugan, Toshio Shimizu, 1991 .

Selective reduction of organic compounds with indium hydride reagents

M. Yamada, Y. Butsugan, Koji Tanaka, 1995 .

Formation of isoindoline derivatives from o-bromoacetylbenzophenones

Y. Butsugan, S. Nan'ya, H. Ishida, 1994 .

Regioselective conversion of allylic alcohols to 1-propenes via organoiron complexes

Y. Butsugan, M. Hatano, S. Araki, 1986 .

Stereodivergent allylindation of cyclopropenes. Remarkable stereodirection and acceleration by neighbouring carboxyl and hydroxyl groups

H. Nakano, M. Kawai, H. Yamamura, 1998 .

Carboindation of Alkynes. Regio- and Stereoselective Allylation of Carbon-Carbon Triple Bonds of Alkynols by Allylic Indium Reagents

M. Yamada, Y. Butsugan, S. Araki, 1995 .

PREPARATION AND SOME REACTIONS OF ALLYLIC INDIUM REAGENTS

Shun-Ji Jin, Y. Butsugan, Toshio Shimizu, 1991 .

Indium-induced reaction of phenacyl iodide. Deiodinative dimerization to β,γ-epoxy ketone and aldol condensation with aldehydes

Y. Butsugan, S. Araki, 1991 .

Indium-mediated reaction of 1,3-dichloro- and 1,3-dibromopropenes with carbonyl compounds. Generation of novel 3,3-diindiopropene

M. Kawai, H. Yamamura, Y. Butsugan, 1996 .

Regio- and Stereoselective Allylindation of Allenols Regulated by a Hydroxyl-Chelated Bicyclic Transition State

Y. Butsugan, S. Araki, Motoshi Kato, 1996 .

Convenient synthesis of quinol esters by indium-mediated Reformatsky reaction of quinones

K. Kawasaki, Y. Butsugan, S. Araki, 1991 .

Cyclopropanation of electron-deficient alkenes and wideqvist-type synthesis of cyclopropanes mediated by indium metal

Y. Butsugan, S. Araki, 1989 .

Indium-induced allylation of acid anhydrides: A facile synthesis of allylated butenolides and phthalides

Y. Butsugan, S. Araki, Nobuhito Katsumura, 1989 .

Synthesis of β-Hydroxyesters by Reformatsky Reaction Using Indium Metal

Y. Butsugan, S. Araki, Hirokazu Ito, 1988 .

Indium in organic synthesis: indium-mediated allylation of carbonyl compounds

Y. Butsugan, S. Araki, Hirokazu Ito, 1988 .

Gallium‐induced Barbier coupling of carbonyl compounds with allyl iodide

Y. Butsugan, S. Araki, Hirokazu Ito, 1988 .

Barbier-Grignard-type allylation of aldehydes with metallic antimony

Y. Butsugan, S. Araki, Hirokazu Ito, 1987 .

Allylation of Carbonyl Compounds with Catalytic Amount of Indium

Shun-Ji Jin, Y. Butsugan, S. Araki, 1992 .

Selective Reduction of Organic Compounds with Indium Hydride Reagents.

M. Yamada, Y. Butsugan, Koji Tanaka, 1995 .

Synthesis of β-Hydroxy Nitriles via Indium-Induced Coupling of Bromoacetonitrile with Carbonyl Compounds

M. Yamada, Y. Butsugan, S. Araki, 1994 .

Reaction of Allyl Diphenyl Phosphates with Soft Bases

Y. Butsugan, S. Araki, Kazuhiro Minami, 1981 .

Prenylation of aromatic amines and nitrogen-containing aromatic heterocycles by prenyl diisopropyl phosphate.

Y. Butsugan, S. Manabe, S. Araki, 1984 .

A facile synthesis of optically active 3-ethyl-and 3-n-butylphthalides via catalytic enantioselective addition of dialkylzinc reagents to o-phthalaldehyde

Y. Butsugan, Makoto Watanabe, S. Araki, 1992 .

Reactions of o‐bromoacetylacylphenones with several primary amines

Y. Butsugan, K. Kanie, S. Nan'ya, 1995 .

Formation of Isoindoline Derivatives from o-Bromoacetylbenzophenones.

Y. Butsugan, S. Nan'ya, H. Ishida, 1995 .

Condensations of brominated products of o-acetylbenzophenone with several primary amines

Y. Butsugan, A. Bajji, S. Nan'ya, 1994 .

Condensation products of 2-bromo-3-substituted-inden-1-ones with several primary amines

Y. Butsugan, A. Bajji, S. Nan'ya, 1992 .

Allylation of quinones by allylic indium reagents

Y. Butsugan, S. Araki, Nobuhito Katsumura, 1991 .

Syntheses and Reactions of Allylic and Homoallylic Pyrophosphate Tetraesters

Y. Butsugan, Keiichi Yamada, S. Araki, 1988 .

Double 1,3‐dipolar cycloadditions of meso‐ionic heterocycles with N‐phenylmaleimide

Y. Butsugan, S. Nan'ya, S. Goto, 1990 .

Regio‐ and Stereoselective Allylindation of Allenols Regulated by a Hydroxyl‐Chelated Bicyclic Transition State.

Y. Butsugan, S. Araki, Motoshi Kato, 1996 .

The Structure of Physalin T from Physalis alkekengi var. francheti

M. Kawai, M. Kawai, B. Makino, 2001, Journal of Asian natural products research.

New physalins possessing an additional carbon-carbon bond from Physalis alkekengi var. francheti

M. Kawai, B. Makino, H. Yamamura, 1995 .

Structural revision of physalin H isolated from Physalis angulata

M. Kawai, T. Ogura, B. Makino, 1995 .

Physalins Possessing an Endoperoxy Structure from Physalis alkekengi var. francheti. Structural Revision of Physalin K

M. Kawai, B. Makino, H. Yamamura, 1995 .

The Structure of Physalin P, a Neophysalin from Physalis Alkekengi

M. Kawai, T. Ogura, B. Makino, 1993 .

Structure of Physalin M Isolated from Physalis alkekengi var. francheti

M. Kawai, T. Ogura, Y. Butsugan, 1988 .

A New physalin from Physalis alkekengi: structure of physalin L

Kazuki Saito, M. Kawai, Y. Butsugan, 1987 .

Bitter principles of structure of physalin a

M. Kawai, Y. Butsugan, T. Matsuura, 1969 .

Bitter principles of Physalis Alkekengi var Francheti: structure of physalin a

M. Kawai, Y. Butsugan, T. Matsuura, 1969 .

A Barbier allylation and a Reformatsky reaction of carbonyl compounds mediated by indium(I) iodide

Y. Butsugan, S. Araki, Nobuhito Katsumura, 1989 .

Enantioselective synthesis of β-hydroxy esters by indium-induced Reformatsky reaction

Y. Butsugan, S. Araki, P. S. Johar, 1992 .

One-step conversion of mesoionic olate to thiolate by Lawesson's reagent.

Y. Butsugan, S. Araki, T. Goto, 1988 .

Regio-controlled prenylation and geranylation of 3-furylmethylmagnesium bromide. Selective syntheses of 3-substituted furanoid and 2-substituted 3-methylfuranoid terpenes.

Y. Butsugan, S. Araki, 1983 .

Selective syntheses of dendrolasin and sesquirosefuran by the coupling of 3-furylmethylmagnesium bromide with geranyl diethyl phosphate.

Y. Butsugan, S. Araki, 1982 .

A Method for Determining Absolute Configuration of Cycloalkanamines and Related Compounds by CD Spectra of Their 2,4-Dinitrophenyl Derivatives

M. Kawai, Y. Butsugan, U. Nagai, 1985 .

Reaction of α-halo organoindium reagents with carbonyl compounds and electron-deficient alkenes

Y. Butsugan, T. Hirashita, S. Araki, 1996 .

Regioselective Conversion of Allylic Alcohols to 1-Propenes via Organoiron Complexes.

Y. Butsugan, M. Hatano, S. Araki, 1986 .

The Synthesis of dl-Nepetalactone

Y. Butsugan, T. Sakan, A. Fujino, 1960 .

Regio- and Stereoselective Conversion of Allylic Alcohols to Halides via Allylic Phosphates

Y. Butsugan, K. Ohmori, S. Araki, 1984 .

Selective alkylation and allylation of allylic halides by tetraorganoindates: regio- and stereo-selective synthesis of rosefuran and sesquirosefuran

Shun-Ji Jin, Y. Butsugan, S. Araki, 1995 .

Carboindation of alkynols. A facile synthesis of yomogi alcohol

Y. Butsugan, S. Araki, Akira Imai, 1992 .

Stereodivergent Allylindation of Cyclopropenes. Remarkable Stereodirection and Acceleration by Neighboring Carboxyl and Hydroxyl Groups.

H. Nakano, M. Kawai, H. Yamamura, 1998 .

Indium‐Induced Reaction of Phenacyl Iodide. Deiodinative Dimerization to β,γ‐Epoxy Ketone and Aldol Condensation with Aldehydes.

Y. Butsugan, S. Araki, 1991 .

Preparation and Some Reactions of Allylic Indium Reagents.

Shun-Ji Jin, Y. Butsugan, Toshio Shimizu, 1991 .

Gallium-Induced Barbier Coupling of Carbonyl Compounds with Allyl Iodide.

Y. Butsugan, S. Araki, Hirokazu Ito, 1989 .

Indium in Organic Synthesis: Indium-Mediated Allylation of Carbonyl Compounds.

Y. Butsugan, S. Araki, Hirokazu Ito, 1988 .

Cyclopropanation of Electron-Deficient Alkenes and Wideqvist-Type Synthesis of Cyclopropanes Mediated by Indium Metal.

Y. Butsugan, S. Araki, 1990 .

Synthesis of β-Hydroxy Esters by Reformatsky Reaction Using Indium Metal.

Y. Butsugan, S. Araki, Hirokazu Ito, 1988 .

Indium-Induced Allylation of Acid Anhydrides. A Facile Synthesis of Allylated Butenolides and Phthalides.

Y. Butsugan, S. Araki, Nobuhito Katsumura, 1989 .

Indium-Mediated Reaction of 1,3-Dichloro- and 1,3-Dibromopropenes with Carbonyl Compounds. Generation of Novel 3,3-Diindiopropene.

M. Kawai, H. Yamamura, Y. Butsugan, 1997 .

Convenient Synthesis of Quinol Esters by Indium-Mediated Reformatsky Reaction of Quinones.

K. Kawasaki, Y. Butsugan, S. Araki, 2010 .

Isoindole derivatives from 2-isonicotinoyl-acetophenone with ammonia and its derivatives

Y. Butsugan, S. Nan'ya, T. Kitahara, 1992 .

Allylic Phosphates as Allyl Anion Synthons. Lithium-induced Allylation of Carbonyl Compounds

Y. Butsugan, S. Araki, 1988 .

Barbier-Grignard-Type Allylation of Aldehydes with Metallic Antimony.

Y. Butsugan, S. Araki, Hirokazu Ito, 1988 .

Convenient Syntheses of Vitamin K and Coenzyme Q by the Coupling of Grignard Reagents with Allylic Phosphate

Y. Butsugan, Takashi Sato, S. Araki, 1984 .

Chiral auxiliaries for asymmetric synthesis : enantioselective addition of dialkylzincs to aldehydes catalyzed by chiral 1,2-disubstituted ferrocenyl amino alcohols

Y. Butsugan, Masaru Uemura, Makoto Watanabe, 1991 .

Copper(I)-catalyzed reaction of isoprene bromohydrin with organolithium reagent.

Y. Butsugan, S. Araki, 1980 .

Palladium(0)-Catalyzed Coupling Reaction of Isoprene Bromohydrin with Aromatic Organolithium Reagents

Y. Butsugan, S. Araki, Masayuki Ohmura, 1986 .

Allylation of Carbonyl Compounds with a Catalytic Amount of Indium.

Shun-Ji Jin, Y. Butsugan, S. Araki, 1992 .

Synthesis of β-Hydroxy Nitriles via Indium-Induced Coupling of Bromoacetonitrile with Carbonyl Compounds.

M. Yamada, Y. Butsugan, S. Araki, 1994 .

Formation of 1,3-dienetricarbonyliron complexes from the reaction of dipotassium tetracarbonylferrate with allylic compounds

Y. Butsugan, S. Araki, A. Yamashita, 1985 .

X-Ray crystallographic study of octakis(3,6-anhydro)-γ-cyclodextrin with a highly specific cation binding ability

M. Kawai, H. Yamamura, Y. Butsugan, 1996 .

Syntheses and Properties of Quinonoid Mesoionic Compounds

Y. Butsugan, S. Araki, Naomitsu Aoyama, 1989 .

Withacoagin, a new withanolide from Withania coagulans roots.

M. Kawai, Y. Butsugan, Makoto Suzuki, 1988 .

Double 1,3-dipolar cycloadditions of meso-ionic heterocycles to N-substituted maleimides

Y. Butsugan, S. Nan'ya, Y. Kurachi, 1991 .

Double 1,3-Dipolar Cycloadditions of Meso-Ionic Heterocycles to N- Substituted Maleimides.

Y. Butsugan, S. Nan'ya, Y. Kurachi, 1992 .

Syntheses and Structures of Transition-Metal Complexes of Mesoionic Olate, Thiolate, Selenolate, and Cyclopentadienide

Y. Butsugan, S. Araki, 1993 .

Mesoionic thiocarbonyl ylides.

Y. Butsugan, S. Araki, 1985 .

Tripolar mesoionic compounds

Y. Butsugan, S. Araki, Jiro Mizuya, 1995 .

Samarium(II)-mediated reaction of allylic phosphate esters with carbonyl compounds: A new method for “Umpolung” of allylic phosphates

Y. Butsugan, M. Hatano, S. Araki, 1987 .

Solid‐state conformations of α‐Aminoisobutyryl‐L‐prolyl sequences: Crystal structure of Boc‐Aib‐L‐Pro‐OBzl

T. Taga, M. Kawai, Y. Butsugan, 1987 .

Upon ‘physalin L’ isolated from Physalis minima

M. Kawai, B. Makino, H. Yamamura, 1996 .

The Absolute Structure of Actinidine

Y. Butsugan, T. Sakan, A. Fujino, 1960 .

Crystal Structures of 5α,6α-Epoxy and 2,3-Dihydro Derivatives of Physalin B, a 13,14-Seco-16,24-cyclosteroid, and Their 1H NMR Spectral Analysis

Y. Miwa, T. Taga, M. Kawai, 1994 .

1H NMR spectral analysis of physalin A, a 13,14-seco-16,24-cyclosteroid, based on crystal structure of (25R)-2,3,25,27-tetrahydrophysalin a dimethanol solvate

Y. Miwa, T. Taga, M. Kawai, 1992 .

Syntheses and properties of the mesoionic analogues of sesquifulvalene possessing a 1,3-diphenyltetrazolium ring

Y. Butsugan, S. Araki, 1984 .

Benzilic acid rearrangement-type reaction of physalins to neophysalins. Structural revision of one of the dehydration products of physalin A

T. Taga, M. Kawai, Y. Butsugan, 1991 .

Structures of physalin A and physalin B, 13,14-seco-16,24-cyclo-steroids from Physalis alkekengi var. Francheti.

M. Kawai, Y. Butsugan, T. Matsuura, 1970, Journal of the Chemical Society. Perkin transactions 1.

Structure of 4,7-didehydroneophysalin B, acid-induced rearrangement product of physalin A

M. Kawai, Y. Miwa, T. Taga, 1991 .

Activated charcoal-mediated hydroxylation under very mild conditions: conversion of physalin B into 25-hydroxyphysalin B

M. Kawai, B. Makino, H. Yamamura, 1992 .

Intramolecular cyclization of a dieno-nitrile: synthesis of a new monoterpene alkaloid

S. Yoshida, Y. Butsugan, T. Matsuura, 1971 .

Morphology of thin anatase coatings prepared from alkoxide solutions containing organic polymer, affecting the photocatalytic decomposition of aqueous acetic acid

Y. Torii, Y. Butsugan, H. Taoda, 1995, Journal of Materials Science.

A Cyclodextrin Derivative with Cation Carrying Ability: Heptakis(3,6-anhydro)-β-cyclodextrin 2-O-p-Phenylazobenzoate

M. Kawai, H. Yamamura, Y. Butsugan, 1996 .

Optical resolution of N-carbobenzoxy-α-methoxyglycine

M. Kawai, H. Yamamura, Y. Butsugan, 1992 .

Preparation of Protected α-Methoxyglycine and Its Incorporation into Peptide Synthesis

M. Kawai, Y. Butsugan, P. Neogi, 1990 .

Synthesis and Structure of 1,2-Bis(2,4,6-tri-fert-butylphenyl)ethane

Y. Butsugan, A. Rieker, W. Winter, 1982 .

Preparation, Stereochemistry, and Antibacterial Activity of Gramicidin S Analogs Containing N-Methyl Groups

M. Kawai, Y. Butsugan, K. Saito, 1991 .

Nitrogen‐Rich Mesoionic Compounds from 1,3‐Diaryl‐5‐chlorotetrazolium Salts and Nitrogen Nucleophiles − Synthesis and Properties of 1,3‐Diaryl‐5‐azidotetrazolium Salts

M. Kawai, H. Yamamura, Y. Butsugan, 1998 .

Stereochemistry of protected ornithine side chains in gramicidin S derivatives and their resistance to N-methylation

M. Kawai, H. Yamamura, Y. Butsugan, 2006, Letters in Peptide Science.

Preparation and opioid activities of N-methylated analogs of [D-Ala2,Leu5]enkephalin.

M. Kawai, Y. Butsugan, Y. Kudo, 2009, International journal of peptide and protein research.

The Structure of Matatabilactone

Y. Butsugan, T. Sakan, A. Fujino, 1959 .

Crystal structures of Boc‐D‐ and L‐Iva‐L‐Pro‐OBZl: Unturned conformation of Aib‐Pro sequence unaffected by replacement of Me with Et in Aib

Y. Miwa, T. Taga, M. Kawai, 1993, Biopolymers.

Two alternative conformational states of α,α-dialkylglycyl-L- prolyl sequences governed by presence/absence of an NH group directly following the proline residue. X-ray crystal and molecular structures of Boc-D-Iva-L-Pro-NHBzl and Boc-L-Iva-L-Pro-NHBzl

Y. Miwa, T. Taga, M. Kawai, 1995 .

Withacoagin (I), a New Withanolide from Withania coagulans Roots.

M. Kawai, Y. Butsugan, Makoto Suzuki, 1989 .