Výsledky vyhledávání - "Yasunori Miyakawa"

Mechanistic Support for Intramolecular Migrative Cyclization of Propargyl Sulfones Provided by Catalytic Asymmetric Induction with a Chiral Counter Cation Strategy

Autor: Ken-ichi Yamada, Kiyosei Takasu, Naonobu Tanaka, Yousuke Yamaoka, Yinli Wang, Raphaël Oriez, Tsubasa Inokuma, Kohta Yamasaki, Akiho Yamauchi, Yasunori Miyakawa, Yoshiki Kashiwada

Publikováno v: Asian Journal of Organic Chemistry. 10(7):1828-1834

We previously reported an intramolecular migrative cyclization of propargylsufones and sulfonylalkynamides giving oxa- and azacycles, respectively. To confirm the postulated reaction mechanism, the reaction was conducted with chiral nucleophiles such

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::762c0a79af0d591acc8b8428a8dc8a9d
http://repo.lib.tokushima-u.ac.jp/117097

Zobrazit plný text záznamu

Phosphine-Promoted Migrative Cyclization of Sulfonylalkynol and Sulfonylalkynamide for the Synthesis of Oxa- and Azacycles

Autor: Yinli Wang, Raphaël Oriez, Ken-ichi Yamada, Yasunori Miyakawa, Yousuke Yamaoka, Kiyosei Takasu, Shougun Ou

Publikováno v: HETEROCYCLES. 95:314

A catalytic amount of phosphine or DMAP promoted the migrative cyclization of propargyl sulfones bearing an internal nucleophilic functionality in a γ-umpolung manner.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::979d74f54a55597d8d656bfca035fbae
https://doi.org/10.3987/com-16-s(s)22

Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání