
Chemistry of Heterocyclic Compounds p. 728 - 732 (2000)
Update date:2022-08-03
Topics:
Delyatitskaya
Petrova
Grinberga
Tonkikh
Strakov
Treatment of 3,6,6-trimethyl-4-oxo-1-(2-pyridyl)-4,5,6,7-tetrahydroindazole with sodium azide in acids gives 3,7,7-trimethyl-5-oxo-1-(2-pyridyl)- 5,6,7,8-tetrahydro(4H)pyrazolo[4,3-b]azepine. Heating 1-(2-pyridyl)-3,6,6-trimethyl- and 1-phenyl-6,6-dimethy
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