Reactions with 3,5-Diaminopyrazoles: New Routes to Pyrazolo[1,5-α]pyrimidines
作者:Galal E. H. Elgemeie、Nahed M. Fathy、Laila M. Faddah、Mohamed Y. Ebeid、Mohamed K. Elsaid
DOI:10.1002/ardp.19913240304
日期:——
Reactions of 3,5‐diaminopyrazoles with chalcones and ethyl α‐acetylcinnamates lead to new polyfunctional derivatives of pyrazolo[1,5‐α]pyrimidine. The structures of the products and the mechanisms of their formation are reported.