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Condensation of 4-amino-3-hydrazino-1,2,4-triazoline-5-thione with α- and β-dicarbonyl compounds

✍ Scribed by A. D. Sinegibskaya; K. I. Pashkevich; V. L. Saloutin; N. A. Klyuev; E. Kh. Dank


Book ID
112326857
Publisher
Springer US
Year
1978
Tongue
English
Weight
410 KB
Volume
14
Category
Article
ISSN
0009-3122

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Depending on conditions, the condensation of 2-amino-3-cyano-4,5,6,7-tetrahydroindole with 8-dicarbonyl compounds leads to 2-methyl-4-oxo-or 4-methyl-2-oxo-10-cyano-6,7,8,9tetrahydropyrimido[l,2-a]indoles via the intermediate compounds: 2-(3-ethoxy-carbonylprop-2-en-2-yl amino) and 2- (l,3-dioxobuty