𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Reactions of methyl 4,6-O-benzylidene-2,3-dideoxy-2-C-p- tolylsulfonyl-β-d-erythro-hex-2-enopyranoside and its phenyl analog with several nucleophiles; stereoselective preparation of 3-O-acyl-d-arabino- and d-ribo-hex-1-enitol derivatives

✍ Scribed by Izumi Takai; Azuma Yamamoto; Yoshiharu Ishido; Tohru Sakakibara; Emiko Yagi


Book ID
107726032
Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
980 KB
Volume
220
Category
Article
ISSN
0008-6215

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Preparation, and nucleophilic addition-r
✍ Tohru Sakakibara; Toshiaki Minami; Yoshiharu Ishido; Rokuro Sudoh 📂 Article 📅 1982 🏛 Elsevier Science 🌐 English ⚖ 820 KB

## Nucleophilic addition-reactions of the title compound, prepared from the corresponding 3-nitrohex-2-enitol, were investigated under kinetically controlled conditions; such sterically bulky nucleophiles as tert-butyl peroxide and 2,4-pentanedionate ions (except in 1,Cdioxane) were found to enga

Reactions of 3-O-acetyl-2-C-p-tolylsulfo
✍ Sakakibara Tohru; Takaib Izumi; Yamamoto Azuma; Iizuka Hiroyuki; Hirasawa Kohji; 📂 Article 📅 1990 🏛 Elsevier Science 🌐 French ⚖ 254 KB

Reactions of the title compounds with sodium methoxide and sodium borodeuteride were found to proceed mainly via the SK2' mechanism; nucleophiles selectively attacked the anomeric carbon atom from the same side of the leaving acetoxyl group at C-3.

Nucleophilic addition reactions of 1,5-a
✍ Akinori Seta; Shinji Ito; Kiyohisa Tokuda; Takeshi Tamura; Yaeko Konda; Tohru Sa 📂 Article 📅 1995 🏛 Elsevier Science 🌐 English ⚖ 648 KB

Reactions of the title compounds with several nucelophiles suggested that the ring oxygen atom (0-5) accelerated the reactivity of the nitro alkene moiety, but scarcely affected the stereoselectivity of the nucleophilic attack.

Preparation and nucleophilic addition re
✍ Tohru Sakakibara; Izumi Takai; Yoshifusa Tachimori; Azuma Yamamoto; Yoshiharu Is 📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 186 KB

IZUMI TAKAI, YOSHIFUSA TACHIMORI, AZUMA YAMAMOTO, YOSHIHARU ISHIDO\*, AND (the late) ROKURO SUWH