Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Shunsuke Oshitani"'
Autor:
Toshiyuki Itoh, Shuichi Hayase, Shunsuke Oshitani, Yu Yamane, Shin-ichiro Matsui, Toshiki Nokami, Hidemitsu Uno, Takashi Nishihara, Jun-ka Kobayashi
Publikováno v:
Organic Letters. 17:3182-3185
Iron salt-catalyzed Friedel-Crafts alkylation of chiral α-aryl alcohols with a trimethylsilyl group was found to proceed with retention of the configuration of the hydroxyl group as a leaving group. The memory of chirality of this system stems from
Autor:
Toshiki Nokami, Toshiyuki Itoh, Mikei Sakae, Machiko Natsuyama, Chie Ibara, Shunsuke Oshitani
Publikováno v:
Heteroatom Chemistry. 25:482-491
Nazarov cyclization of indole, benzofuran, and benzo[b]thiophene was accomplished in the presence of catalytic amounts of iron salts. The corresponding cyclization product was obtained for indole derivative in the presence of 5 mol% of Fe(ClO4)3·Al2
Autor:
Yu Yamane, Toshiyuki Itoh, Toshiki Nokami, Hidemitsu Uno, Takashi Nishihara, Jun-ka Kobayashi, Shuichi Hayase, Shin-ichiro Matsui, Shunsuke Oshitani
Publikováno v:
ChemInform. 46
It is found that the retention of the configuration of the hydroxyl group as a leaving group bases on the conformational stability of the carbocation intermediate supported by a flexible silyl substituent.
Autor:
Machiko Natsuyama, Toshiki Nokami, Chie Ibara, Mikei Sakae, Shunsuke Oshitani, Toshiyuki Itoh
Publikováno v:
ChemInform. 46
A very simple protocol for the synthesis of cyclopentano-fused indole (II), benzofuran and benzothiophene derivatives is developed using an economical Fe-catalyzed Nazarov cyclization.
Autor:
Toshiki Nokami, Yu Yamane, Shunsuke Oshitani, Jun-ka Kobayashi, Shin-ichiro Matsui, Takashi Nishihara, Hidemitsu Uno, Shuichi Hayase, Toshiyuki Itoh
Publikováno v:
Organic Letters; Jun2015, Vol. 17 Issue 12, p3182-3185, 4p