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ChemInform Abstract: Preparation of New Nitrogen-Bridged Heterocycles. Part 73. Unexpected Formation of Thiino[3′,4′:4,5]oxazolo[1,3-b][1,3]oxazepine Derivatives.

✍ Scribed by Akikazu Kakehi; Kennosuke Itoh; Hiroyuki Suga; Hirofumi Kobayashi; Hideyuki Muranaka; Motoo Shiro

Publisher
John Wiley and Sons
Year
2011
Weight
28 KB
Volume
42
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

Unexpected products of type (III) are obtained from the cycloaddition reaction of (I) with (II).

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ChemInform Abstract: Preparation of New
ChemInform Abstract: Preparation of New Nitrogen-Bridged Heterocycles. Part 72. A New Approach to 1-Acyl-3-(substituted methylthio)thieno[3′,4′:4,5]imidazo[1,5-a]pyridine Derivatives.
✍ Akikazu Kakehi; Hiroyuki Suga; Yukihisa Okumura; Kennosuke Itoh; Kouji Kobayashi 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 39 KB 👁 1 views

## Abstract The alkylation of thiolates (IV) followed by base‐mediated cyclization gives rise to desired thienoimidazopyridines such as (VI) and (VII) (87 examples).