T. Yakura

发表

Protecting-Group-Free Formal Synthesis of Aspidospermidine: Ring-Opening Cyclization of Spirocyclopropane with Amine Followed by Regioselective Alkylations.

H. Nambu, Takafumi Tamura, T. Yakura, 2019, The Journal of organic chemistry.

A novel oxidative azidation of aromatic compounds with hypervalent iodine reagent, phenyliodine(III) bis(trifluoroacetate) (PIFA) and trimethylsilyl azide

Y. Kita, T. Yakura, M. Inagaki, 1991 .

Useful procedures for fluorocyclization of tryptamine and tryptophol derivatives to 3a-fluoropyrrolo[2,3-b]indoles and 3a-fluorofuro[2,3-b]indoles

Y. Takéuchi, T. Yakura, T. Seki, 2014 .

Recyclable Magnetic Nanoparticle-Supported Iodoarene Catalysts for Oxidation of 4-Alkoxyphenols to Quinones

H. Nambu, T. Yakura, Tomoya Fujiwara, 2016 .

An Efficient Route to Highly Substituted Indoles via Tetrahydroindol-4(5H)-one Intermediates Produced by Ring-Opening Cyclization of Spirocyclopropanes with Amines.

H. Nambu, Takafumi Tamura, T. Yakura, 2017, Chemistry.

Chem. Pharm. Bull. 53(8) 989—994 (2005)

T. Yakura, J. Uenishi, Wataru Muramatsu, 2005 .

2-Iodo-N-isopropyl-5-methoxybenzamide as a highly reactive and environmentally benign catalyst for alcohol oxidation

H. Nambu, T. Yakura, Tomoya Fujiwara, 2018, Beilstein journal of organic chemistry.

Hypervalent iodine oxidation of phenol derivatives using a catalytic amount of 4-iodophenoxyacetic acid and Oxone® as a co-oxidant

T. Yakura, Yuan Tian, Y. Yamauchi, 2010 .

Catalytic hypervalent iodine oxidation using 4-iodophenoxyacetic acid and oxone: oxidation of p-alkoxyphenols to p-benzoquinones.

T. Yakura, T. Konishi, Yuan Tian, 2009, Chemical & pharmaceutical bulletin.

An efficient conversion of keto groups into dihydroxyacetone groups: Oxidation of ethynylcarbinol intermediates by using hypervalent iodine reagent

Y. Kita, T. Yakura, Y. Tamura, 1985 .

Iodide-Catalyzed Ring-Opening Cyclization of Cyclohexane-1,3-dione-2-spirocyclopropanes

H. Nambu, T. Yakura, Naoki Ono, 2018, Advanced Synthesis and Catalysis.

An efficient catalytic oxidation of p-Alkoxypenols to p-quinones using tetrabutylammonium bromide and oxone.

Kohei Morimoto, T. Yakura, Ayaka Ozono, 2011, Chemical & pharmaceutical bulletin.

Catalytic hypervalent iodine oxidation of p-dialkoxybenzenes to p-quinones using 4-iodophenoxyacetic acid and Oxone.

T. Yakura, Yuan Tian, Y. Yamauchi, 2008, Chemical & pharmaceutical bulletin.

Hypervalent iodine oxidation of O-silylated phenol derivatives to azacarbocyclic spirodienones; synthetic approach to the anticancer marine alkaloid, discorhabdin C

Y. Kita, T. Yakura, M. Inagaki, 1991 .

Total synthesis of discorhabdin C : a general aza spiro dienone formation from O-silylated phenol derivatives using a hypervalent iodine reagent

Y. Kita, T. Yakura, M. Inagaki, 1992 .

Recent topics in application of selective Rh(II)-catalyzed CH functionalization toward natural product synthesis

H. Nambu, T. Yakura, 2018 .

Total synthesis of myriocin and mycestericin D employing Rh(II)-catalyzed CH amination followed by stereoselective alkylation

K. Tsuge, H. Nambu, T. Yakura, 2017 .

An efficient synthesis of cycloalkane-1,3-dione-2-spirocyclopropanes from 1,3-cycloalkanediones using (1-aryl-2-bromoethyl)-dimethylsulfonium bromides: application to a one-pot synthesis of tetrahydroindol-4(5H)-one

H. Nambu, T. Yakura, M. Fukumoto, 2015 .

Ring-opening cyclization of cyclohexane-1,3-dione-2-spirocyclopropanes with amines: rapid access to 2-substituted 4-hydroxyindole.

H. Nambu, T. Yakura, M. Fukumoto, 2014, Organic letters.

Total synthesis of (±)-cephalotaxine

T. Yakura, H. Ishibashi, M. Ikeda, 1990 .

An Efficient Method for the Synthesis of 2',3'-Nonsubstituted Cycloalkane-1,3-dione-2-spirocyclopropanes Using (2-Bromoethyl)diphenylsulfonium Trifluoromethanesulfonate.

H. Nambu, T. Yakura, M. Fukumoto, 2016, Chemical & pharmaceutical bulletin.

Hypervalent iodine oxidation of p-alkoxyphenols and related compounds : a general route to p-benzoquinone monoacetals and spiro lactones

Y. Kita, T. Yakura, Y. Tamura, 1987 .

Ring-opening cyclization of spirocyclopropanes with stabilized sulfonium ylides for the construction of a chromane skeleton.

K. Tsuge, H. Nambu, T. Yakura, 2019, Chemical communications.

Divergent synthesis of (+)-tanikolide and its analogues employing stereoselective rhodium(II)-catalyzed reaction

H. Nambu, T. Yakura, Tomoya Fujiwara, 2018 .

Synthesis of Heterocycles Using the Intramolecular Heck Reaction Involving a 'Foraml' Anti-elimination Process

T. Yakura, S. A. Bialy, M. Ikeda, 1999 .

Chemo- and stereoselective dirhodium(II)-catalyzed C-H insertion reaction of 5,6-dioxygenated 2-diazo-3-oxohexanoates: Synthesis of an optically active highly functionalized cyclopentane

A. Ueki, T. Yakura, T. Kitamura, 1999 .

Dirhodium(II)-catalysed intramolecular carbon–hydrogen insertion reaction of α-diazo ketones: stereoselective synthesis of 2,3-cis-2-alkyl-5-oxo-3-silyloxycyclopentanecarboxylates

A. Ueki, T. Yakura, Seiji Yamada, 1997 .

Formal Total Synthesis of Clausenamide

T. Yakura, M. Ikeda, Y. Matsumura, 1991 .

Synthetic Studies of the Pyrroloquinoline Nucleus of the Makaluvamine Alkaloids. Synthesis of the Topoisomerase II Inhibitor Makaluvamine D

James D White, T. Yakura, K. Yager, 1994 .

A synthetic approach to discorhabdin alkaloids: Hypervalent iodine oxidation of -substituted phenol derivatives to azacarbocyclic spirodienones

Y. Kita, T. Yakura, Y. Tamura, 1989 .

Application of stereocontrolled aldol coupling to synthesis of segments of immunosuppressants FK-506 and rapamycin

James D White, T. Yakura, Steven G. Toske, 2009 .

Oxidative 1, 2-Aryl Migration of Alkyl Aryl Ketones by Using Diacetoxyphenyliodine : Syntheses of Arylacetate, 2-Arylpropanoate, and 2-Arylsuccinate

T. Yakura, Y. Tamura, J. Haruta, 1985 .

Magnetic Nanoparticle-Supported Iodoarene Oxidative Catalysts and Its Application to Phenol Oxidation

H. Nambu, T. Yakura, Tomoya Fujiwara, 2017 .

Stereoselective Total Synthesis of Myriocin Using Rhodium(II)-Catalyzed C−H Amination Followed by Alkylation

H. Nambu, T. Yakura, Wen-qi Niu, 2015 .

Divergent total synthesis of penaresidin B and its straight side chain analogue

Bo Liu, H. Nambu, T. Yakura, 2018, Tetrahedron.

Remarkable rate acceleration of the solvent-free Baeyer–Villiger reaction on the surface of NaHCO3 crystals for sterically congested cyclic and acyclic ketones

T. Yakura, J. Uenishi, M. Ikeda, 2002 .

A Concise and Protecting-Group-Free Formal Synthesis of Aspidospermidine: Ring-Opening Cyclization of Spirocyclo- propane with Amine Followed by Regioselective Alkylations

H. Nambu, Takafumi Tamura, T. Yakura, 2020 .

Acid-Catalyzed Ring-Opening Cyclization of Spirocyclopropanes for the Construction of a 2-Arylbenzofuran Skeleton: Total Synthesis of Cuspidan B

H. Nambu, T. Yakura, Naoki Ono, 2016, Synthesis.

Stereoselective Conjugate Addition of Alkyl Groups to (S)-4-(tert-Butyldimethylsilyloxy)-2-cyclopentenone Derivatives

T. Yakura, J. Uenishi, M. Ikeda, 2000 .

Efficient synthesis of p-quinols using catalytic hypervalent iodine oxidation of 4-arylphenols with 4-iodophenoxyacetic acid and oxone.

T. Yakura, M. Omoto, 2009, Chemical & pharmaceutical bulletin.

Hypervalent iodine oxidation of N-acyltyramines: synthesis of quinol ethers, spirohexadienones, and hexahydroindol-6-ones

K. Kikuchi, Y. Kita, T. Yakura, 1991 .

Chemo- and stereoselective six-membered oxonium ylide formation–[2,3]-sigmatropic rearrangement of 2-diazo-3-ketoesters with dirhodium(II) catalyst and its application to the synthesis of (+)-tanikolide

H. Nambu, T. Yakura, Tomoya Fujiwara, 2019, Tetrahedron.

Synthesis of 10b-fluorinated analogues of protubonine A and its 11a-epimer via fluorocyclisation of tryptophan-containing dipeptides

H. Nambu, T. Yakura, Yushi Nishimura, 2015 .

Enantioselective synthesis of pachastrissamine (jaspin B) using dirhodium(II)-catalyzed C-H amination and asymmetric dihydroxylation as key steps.

Y. Yoshimoto, T. Yakura, Seiichi Sato, 2007, Chemical & pharmaceutical bulletin.

Synthesis and biological evaluation of 2-epi-jaspine B analogs as selective sphingosine kinase 1 inhibitors.

T. Yakura, Qingqiang Yao, Haoran Yang, 2019, Bioorganic chemistry.

Practical Synthesis of Pachastrissamine (Jaspine B), 2-epi-Pachastrissamine, and the 2-epi-Pyrrolidine Analogue.

Bo Liu, H. Nambu, T. Yakura, 2016, Chemical & pharmaceutical bulletin.

Development of Novel Catalytic System, Iodoarene-Oxone ® , on Hypervalent Iodine Oxidation of Phenols and Alcohols

H. Nambu, T. Yakura, Tomoya Fujiwara, 2017 .

Practical and Environmentally Friendly Transformation of Tetrahydrofuran-2-Methanols to γ-Lactones via Oxidative Cleavage

H. Nambu, T. Yakura, Yuto Horiuchi, 2017 .

Efficient Oxidative Cleavage of Tetrahydrofuran‐2‐methanols to γ‐Lactones by a 2‐Iodobenzamide Catalyst in Combination with Oxone®

H. Nambu, T. Yakura, Yushi Nishimura, 2016 .

Pummerer-Type Reaction of α-Acylsulfides Using Phenyl Iodosyl Bis(trifluoroacetate)

T. Yakura, Y. Tamura, J. Haruta, 1986 .

A 2‐Iodobenzamide Catalyst for Oxidation of Alcohols at Room Temperature

H. Nambu, T. Yakura, Narumi Noda, 2014 .

Application of a Stereoselective Rhodium(II)-Catalyzed Oxonium Ylide Formation–[2,3]-Sigmatropic Rearrangement of an α-Diazo-β-keto Ester to the Synthesis of 2-epi-Cinatrin C1 Dimethyl Ester

M. Yamashita, T. Yakura, Tomoya Fujiwara, 2012, Synlett.

Efficient Oxidative Cleavage of Tetrahydrofuran-2-methanols to γ-Lactones by a 2-Iodobenzamide Catalyst in Combination with Oxone®.

H. Nambu, T. Yakura, Yushi Nishimura, 2016 .

Novel 2,2,6,6‐Tetramethylpiperidine 1‐Oxyl–Iodobenzene Hybrid Catalyst for Oxidation of Primary Alcohols to Carboxylic Acids

T. Yakura, Ayaka Ozono, 2011 .

A Novel Catalytic Hypervalent Iodine Oxidation of p-Alkoxyphenols to p-Quinones Using 4-Iodophenoxyacetic Acid and Oxone®

T. Yakura, T. Konishi, 2007 .

Asymmetric Synthesis of β-Hydroxy Acid via Stereoselective Dirhodium(II)-Catalyzed C–H Insertion of α-Alkoxydiazoketone

T. Yakura, J. Uenishi, M. Ikeda, 2003 .

Hypervalent Iodine Oxidation of p-Alkoxy- and Related Phenols: A Facile and Efficient Synthesis of p-Quinones

Y. Kita, T. Yakura, Y. Tamura, 1989 .

Dirhodium(II)-catalyzed C-H amination reaction of (S)-3-(tert-butyldimethylsilyloxy)-2-methylpropyl carbamate: a facile preparation of optically active monoprotected 2-amino-2-methyl-1,3-propanediol.

Y. Yoshimoto, T. Yakura, Chisaki Ishida, 2007, Chemical & pharmaceutical bulletin.

Stereoselective synthesis of c3-c12 dihydropyran portion of antitumor laulimalide using copper-catalyzed oxonium ylide formation-[2,3] shift.

T. Yakura, J. Uenishi, Wataru Muramatsu, 2005, Chemical & pharmaceutical bulletin.

Asymmetric Synthesis of β‐Hydroxy Acid via Stereoselective Dirhodium(II)‐Catalyzed C—H Insertion of α‐Alkoxydiazoketone.

T. Yakura, J. Uenishi, M. Ikeda, 2003 .

[Stereoselective synthesis of cyclopentanones using dirhodium(II)-catalyzed intramolecular C-H insertion reaction].

T. Yakura, 2000, Yakugaku zasshi : Journal of the Pharmaceutical Society of Japan.

A Short Synthesis of Optically Active Corey Lactone by Means of the Dirhodium(II)-Catalyzed Intramolecular C-H Insertion Reaction of an α-Diazo Ketone

A. Ueki, T. Yakura, Seiji Yamada, 1998 .

Synthesis of an immunomodulator (+)-conagenin and its analogs

Y. Yoshimoto, T. Yakura, Shunsuke Mabuchi, 2007 .

Hypervalent iodine oxidation of α,β-unsaturated carbonyl compounds

Y. Kita, T. Yakura, Y. Tamura, 1987 .

Involvement of c-Myc-mediated transient receptor potential melastatin 8 expression in oxaliplatin-induced cold allodynia in mice

T. Yakura, Y. Kuraishi, T. Andoh, 2016, Pharmacological reports : PR.

A formal total synthesis of (-)-cephalotaxine.

K. Hirose, S. A. E. El Bialy, M. Ikeda, 1999, Chemical & pharmaceutical bulletin.

STEREOSELECTIVE SYNTHESIS OF 5-SUBSTITUTED 2-ALLYL-3-OXOTETRAHYDROFURAN-2-CARBOXYLATES USING RHODIUM(II)-CATALYZED OXONIUM YLIDE FORMATION-12,3] SHIFT

M. Yamashita, T. Yakura, Kazumasa Matsuzaka, 2009 .

Approaches to the Cephalotaxine Skeleton Using an Intramolecular Heck Reaction

K. Hirose, T. Yakura, Tatsunori Sato, 1998 .

Synthesis of Octahydrobenzo(b)furans Using Tandem Conjugate Addition Reactions Initiated by Oxygen Nucleophile.

T. Yakura, M. Ikeda, S. Yamada, 1998 .

Synthesis of Octahydrobenzo[b]furans Using Tandem Conjugate Addition Reactions Initiated by Oxygen Nucleophile.

T. Yakura, M. Ikeda, Masae Iwamoto, 1998 .

Approaches to the Cephalotaxine Skeleton Using an Intramolecular Heck Reaction.

K. Hirose, M. Ikeda, T. Yakura, 1998 .

Novel 2,2,6,6-Tetramethylpiperidine 1-Oxyl—Iodobenzene Hybrid Catalyst for Oxidation of Primary Alcohols to Carboxylic Acids.

T. Yakura, Ayaka Ozono, 2011 .

Enantioselective synthesis of pachastrissamine (jaspin B) using dirhodium(II)-catalyzed C-H amination and asymmetric dihydroxylation as key steps.

Y. Yoshimoto, T. Yakura, Seiichi Sato, 2007, Chemical & pharmaceutical bulletin.

Hypervalent Iodine Oxidation of N-Acyltyramines: Synthesis of Quinol Ethers, Spirohexadienones, and Hexahydroindol-6-ones.

K. Kikuchi, Y. Kita, T. Yakura, 2010 .

An Efficient Route to Highly Substituted Indoles via Tetrahydroindol-4(5H)-one Intermediates Produced by Ring-Opening Cyclization of Spirocyclopropanes with Amines.

H. Nambu, Takafumi Tamura, T. Yakura, 2017, Chemistry.

Hypervalent Iodine Oxidation of Ethynylcarbinols : A Short and Efficient Conversion of Dihydroxyacetonyl Groups from Keto Groups

Y. Kita, T. Yakura, Y. Tamura, 1989 .

Boron Trifluoride-Mediated Domino Dehydration/Electrophilic Cyclization of Silylalkynols Leading to 2,3-Fused Tricyclic Benzofulvenes.

T. Yakura, Takeshi Yoshikawa, Ken Sakata, 2024, Organic letters.