Polycyclic N-Heterocyclic Compounds, Part 72: Reaction of N-([1]Benzofuro (or Benzothieno)[3,2-d]pyrimidin-4-yl)formamidine and N-(Pyrido[2,3-d]pyrimidin-4-yl)formamidine Derivatives with Hydroxylamine Hydrochloride
β Scribed by Kensuke Okuda; Kiyoko Tsuchie; Takashi Hirota
- Book ID
- 115558820
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 2012
- Tongue
- English
- Weight
- 245 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0022-152X
- DOI
- 10.1002/jhet.850
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## Abstract The reactions of __N__β(5,6βdihydro[1]benzoxepino[5,4β __d__]pyrimidinβ4βyl)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.
## Abstract The reactions of __N__β(5,6βdihydro[1]benzothiepino[5,4β__d__]pyrimidinβ4βyl)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