Carbon–Carbon Bond Cleavage Reaction: Synthesis of Multisubstituted Pyrazolo [1, 5-a] pyrimidines

P Saikia, S Gogoi, RC Boruah

Index: Yin, Lunxiang; Liebscher, Juergen Synthesis, 2004 , # 14 p. 2329 - 2334

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Citation Number: 5

Abstract

... General Procedure for the Synthesis of Pyrazolo[1,5-a]pyrimidines Derivatives 3a–n A mixture of 1,5-diketone 1 (1.0 ... Calcd for C 19 H 14 ClN 3 : C, 71.36; H, 4.41; N, 13.14 ... 2-Methyl-5-phenyl- 7-p-tolylpyrazolo[1,5-a]pyrimidine (3l) Brown solid (239 mg, 80%); mp: 109–111 °C. 1 H ...