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Synthesis of methyl 7-aryl-6-(2-thenoyl)-4,7-dihydro-tetrazolo[1,5-a]pyrimidine-5-carboxylates and their reaction with hydrazine hydrate

✍ Scribed by V. L. Gein; V. V. Mishunin; E. P. Tsyplyakova; M. I. Vakhrin; P. A. Slepukhin

Book ID: 111465766
Publisher: SP MAIK Nauka/Interperiodica
Year: 2011
Tongue: English
Weight: 436 KB
Volume: 47
Category: Article
ISSN: 1070-4280
DOI: 10.1134/s1070428011070189

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## Abstract The cyclocondensation of 6‐acetyl‐4,7‐dihydro‐5‐methyl‐7‐phenyl[1,2,4]triazolo[1,5‐__a__]pyrimidine (3) with hydroxylamine or hydrazine leads to 3a,4,9,9a‐tetrahydro‐3,9a‐dimethyl‐4‐phenylisoxazolo‐[5,4‐__d__][1,2,4]triazolo[1,5‐__a__]pyrimidine (4a) and 3a,4,9,9a‐tetrahydro‐3,9a‐dimeth