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Polycyclic N-Heterocyclic Compounds. 56 Reaction of N-(5,6-Dihydro[1]benzoxepino[5,4-d]pyrimidin-4-yl)amidine or Its Amide Oxime Derivatives with Hydroxylamine Hyrdochloride

✍ Scribed by Kenji Sasaki; Ying-Xue Zhang; Kensuke Okuda; Takashi Hirota

Publisher
Journal of Heterocyclic Chemistry
Year
2001
Tongue
English
Weight
51 KB
Volume
38
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

The reactions of N‐(5,6‐dihydro[1]benzoxepino[5,4‐ d]pyrimidin‐4‐yl)amidines or its amide oxime derivatives with hydroxylamine hydrochloride gave abnormal cyclization products via a ring cleavage of pyrimidine component accompanied with a ring closure of [1,2,4]oxadiazole.

πŸ“œ SIMILAR VOLUMES

Polycyclic N-heterocyclic compounds. 55.
Polycyclic N-heterocyclic compounds. 55. A novel reaction of N-(5,6-dihydro[1]benzothiepino[5,4-d]pyrimidin-4-yl)amidine or its amide oxime derivatives with hydroxylamine
✍ Ying-Xue Zhang; Kenji Sasaki; Takashi Hirota πŸ“‚ Article πŸ“… 1999 πŸ› Journal of Heterocyclic Chemistry 🌐 English βš– 393 KB

## Abstract The reactions of __N__‐(5,6‐dihydro[1]benzothiepino[5,4‐__d__]pyrimidin‐4‐yl)amidines or its amide oxime derivatives with hydroxylamine hydrochloride under basic condition gave abnormal cyclization products __via__ a ring cleavage of pyrimidine component accompanied with a ring closure