Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Yuta Fujino"'
Publikováno v:
Contact Dermatitis. 87:521-527
Healthcare workers (HCWs) wash their hands with tap water (TW) and soap. However, hard TW causes dermatitis.The present study aimed to compare the effects of ultra-pure soft water (UPSW) with those of TW on the hands of HWCs.The present study was a p
Autor:
Keisuke Yoshida, Arisa Hidaka, Yuri Fukami, Yuta Fujino, Yuri Imaizumi, Ken‐ichi Takao, Shinji Kitagaki
Publikováno v:
Chemistry – A European Journal. 28
An effective method was developed for TfOH-catalyzed construction of spiroindanes and spirotetralines containing an all-carbon quaternary stereocenter. Intramolecular Friedel-Crafts-type 1,4-addition of the substrates which were di- or trimethoxybenz
Autor:
Keisuke Yoshida, Yuta Fujino, Yohei Kanoko, Yukihiro Itatsu, Hiroki Inoue, Ken Ichi Takao, Hina Suzuki, Kohei Matsui
Publikováno v:
Advanced Synthesis & Catalysis. 358:1886-1891
The highly regioselective organocatalytic chlorosilylation of oxirane derivatives using bulky silyl reagents such as (tert-butyl)diphenylsilyl chloride (TBDPSCl) or triphenylsilyl chloride (Ph3SiCl) was developed. The reaction was effectively catalyz
Publikováno v:
Angewandte Chemie. 128:6846-6850
The highly enantioselective organocatalytic construction of spiroindanes containing an all-carbon quaternary stereocenter by intramolecular Friedel–Crafts-type 1,4-addition is described. The reaction was catalyzed by a cinchonidine-based primary am
Publikováno v:
Tetrahedron Letters. 57:627-631
Amine-free silylation of various alcohols catalyzed by 4-methylpyridine N -oxide in the presence of MS4A at room temperature was developed. This simple method gave various silyl ethers in a high yield.
Autor:
Yuri Fukami, Yuta Fujino, Keisuke Yoshida, Ken Ichi Takao, Kohei Matsui, Yusei Takamatsu, Akihiro Ogura, Shinji Kitagaki
Publikováno v:
Organic letters. 20(16)
The enantioselective total synthesis of an unusual pentacyclic proaporphine alkaloid, (−)-misramine, was achieved. The synthetic strategy relied on an enantioselective intramolecular Friedel–Crafts-type 1,4-addition using an asymmetric organocata
Publikováno v:
Tetrahedron. 70:3452-3458
A concise and step-economical total synthesis of biologically active frutinones has been achieved. Tributylphosphine (PBu3) efficiently induced the tandem acyl transfer-cyclization of carbonates 5 to afford 3-methoxycarbonylflavone derivatives 4 in e
Autor:
Yuta Fujino, Keisuke Yoshida, Yukihiro Itatsu, Kohei Matsui, Hina Suzuki, Ken Ichi Takao, Hiroki Inoue, Yohei Kanoko
Publikováno v:
ChemInform. 47
The highly regioselective organocatalytic chlorosilylation of oxirane derivatives using bulky silyl reagents such as (tert-butyl)diphenylsilyl chloride (TBDPSCl) or triphenylsilyl chloride (Ph3SiCl) was developed. The reaction was effectively catalyz
Publikováno v:
ChemInform. 47
The highly enantioselective organocatalytic construction of spiroindanes containing an all-carbon quaternary stereocenter by intramolecular Friedel–Crafts-type 1,4-addition is described. The reaction was catalyzed by a cinchonidine-based primary am
Publikováno v:
ChemInform. 47
Amine-free silylation of various alcohols catalyzed by 4-methylpyridine N -oxide in the presence of MS4A at room temperature was developed. This simple method gave various silyl ethers in a high yield.