Journal of Heterocyclic Chemistry p. 1387 - 1390 (1988)
Update date:2022-07-29
Topics: Functionalization Characterization Cyclization Purification Starting Materials Further Modification
Vishwakarma
Mofizuddin
Ila
Junjappa
Cyclocondensation of 3(5)-alkylamino- and 3(5)-arylaminopyrazoles 1a-c and 1d-e with formaldehyde and primary amines affords novel tetrahydropyrazolo[3,4-d]pyrimidines 2 and tetrahydropyrazolo[1,5-a]triazine derivatives 3 respectively in good yields.
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Doi:10.1039/jr9650000459
(1965)Doi:10.1016/S0040-4020(01)86196-2
(1988)Doi:10.1021/ja9044955
(2009)Doi:10.1021/ja907741v
(2009)Doi:10.1080/00397910701473317
(2007)Doi:10.1021/ja01578a022
(1957)