坂本龍 (Ryu Sakamoto) - マイポータル

A Synthetic Route to Sodium α-Aminoalkanesulfinates and their Application in the Generation of α-Aminoalkyl Radicals for Radical Addition Reactions

Ryu Sakamoto, Tomomi Yoshii, Hiroyuki Takada, Keiji Maruoka

Organic Letters 20(7) 2080-2083 2018年3月査読有り

Copper-catalyzed C(sp)–C(sp3) Coupling of Terminal Alkynes with Alkylsilyl Peroxides via a Radical Mechanism

Ryu Sakamoto, Terumasa Kato, Shunya Sakurai, Keiji Maruoka

Organic Letters 20(5) 1400-1403 2018年2月査読有り

The Direct C-H Difluoromethylation of Heteroarenes Based on the Photolysis of Hypervalent Iodine(III) Reagents That Contain Difluoroacetoxy Ligands

Ryu Sakamoto, Hirotaka Kashiwagi, Keiji Maruoka

ORGANIC LETTERS 19(19) 5126-5129 2017年10月査読有り

Bis(trialkylsilyl) peroxides as alkylating agents in the copper-catalyzed selective mono-N-alkylation of primary amides

Ryu Sakamoto, Shunya Sakurai, Keiji Maruoka

CHEMICAL COMMUNICATIONS 53(48) 6484-6487 2017年6月査読有り

Alkylsilyl Peroxides as Alkylating Agents in Copper-catalyzed Selective Mono-N-alkylation of Amides or Arylamines

Ryu Sakamoto, Shunya Sakurai, Keiji Maruoka

Chemistry–A European Journal 2017(23) 9030-9033 2017年5月査読有り

[2+2] Photocycloadditions between the Carbon-Nitrogen Double Bonds of Imines and Carbon-Carbon Double Bonds

Ryu Sakamoto, Tsubasa Inada, Shunya Sakurai, Keiji Maruoka

ORGANIC LETTERS 18(24) 6252-6255 2016年12月査読有り

Diastereoselective Radical Hydroacylation of Alkylidenemalonates with Aliphatic Aldehydes Initiated by Photolysis of Hypervalent Iodine(III) Reagents

Sermadurai Selvakumar, Ryu Sakamoto, Keiji Maruoka

CHEMISTRY-A EUROPEAN JOURNAL 22(19) 6552-6555 2016年5月査読有り

Efficient generation of perfluoroalkyl radicals from sodium perfluoroalkanesulfinates and a hypervalent iodine(III) reagent: mild, metal-free synthesis of perfluoroalkylated organic molecules

Ryu Sakamoto, Hirotaka Kashiwagi, Sermadurai Selvakumar, Shin A. Moteki, Keiji Maruoka

ORGANIC & BIOMOLECULAR CHEMISTRY 14(27) 6417-6421 2016年査読有り

Efficient photolytic C-H bond functionalization of alkylbenzene with hypervalent iodine(III) reagent

Ryu Sakamoto, Tsubasa Inada, Sermadurai Selvakumar, Shin A. Moteki, Keiji Maruoka

CHEMICAL COMMUNICATIONS 52(19) 3758-3761 2016年査読有り

Regioselectivity switch in chiral amine-catalysed asymmetric addition of aldehydes to reactive enals

Taichi Kano, Hiroki Maruyama, Ryu Sakamoto, Keiji Maruoka

CHEMICAL COMMUNICATIONS 51(49) 10062-10065 2015年査読有り

Synthesis of 3-Mono-Substituted Binaphthyl-Based Secondary Amine Catalysts via Monobromination of an Axially Chiral Dicarboxylic Acid Derivative

Taichi Kano, Momotaro Takeda, Ryu Sakamoto, Keiji Maruoka

JOURNAL OF ORGANIC CHEMISTRY 79(9) 4240-4244 2014年5月査読有り

Development of Amine-catalyzed Asymmetric Reactions Using Hetero-functionalized Acetaldehydes as Nucleophiles

坂本龍

京都大学 2014年3月

Amine-Catalyzed Asymmetric Cross-Aldol Reactions Using Heterofunctionalized Acetaldehydes as Nucleophiles

Taichi Kano, Ryu Sakamoto, Keiji Maruoka

ORGANIC LETTERS 16(3) 944-947 2014年2月査読有り

Remote Chirality Control Based on the Organocatalytic Asymmetric Mannich Reaction of α-Thio Acetaldehydes

Taichi Kano, Ryu Sakamoto, Keiji Maruoka

50(8) 942-944 2014年査読有り

Stereoselective synthesis of cyclic amino acids via asymmetric phase-transfer catalytic alkylation

Taichi Kano, Takeshi Kumano, Ryu Sakamoto, Keiji Maruoka

ORGANIC & BIOMOLECULAR CHEMISTRY 11(2) 271-278 2013年査読有り

One-pot cross double-Mannich reaction of acetaldehyde catalyzed by a binaphthyl-based amino sulfonamide

Taichi Kano, Ryu Sakamoto, Yukako Yamaguchi, Ken-ichi Itoh, Keiji Maruoka

CHEMICAL COMMUNICATIONS 49(11) 1118-1120 2013年査読有り

Stereocontrolled Synthesis of Vicinal Diamines by Organocatalytic Asymmetric Mannich Reaction of N-Protected Aminoacetaldehydes: Formal Synthesis of (–)-Agelastatin A

Journal of the American Chemical Society 134(17) 7516-7520 2012年5月査読有り

syn-Selective asymmetric cross-aldol reactions between aldehydes and glyoxylic acid derivatives catalyzed by an axially chiral amino sulfonamide

Taichi Kano, Akira Noishiki, Ryu Sakamoto, Keiji Maruoka

CHEMICAL COMMUNICATIONS 47(38) 10626-10628 2011年査読有り

Catalytic asymmetric synthesis of cyclic amino acids and alkaloid derivatives: application to (+)-dihydropinidine and Selfotel synthesis

Taichi Kano, Takeshi Kumano, Ryu Sakamoto, Keiji Maruoka

CHEMICAL SCIENCE 1(4) 499-501 2010年10月査読有り

Catalytic Asymmetric Synthesis of Cyclic αAlkyl-amino Acid Derivatives by C,N-Double Alkylation

Tetrahedron 66(26) 4900-4904 2010年6月査読有り

坂本龍

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