Synthesis of pyrazolo[1,5-<i>a</i>]-, 1,2,4-triazolo[1,5-<i>a</i>]- and imidazo[1,2-<i>a</i>]pyrimidines related to zaleplon, a new drug for the treatment of insomnia
作者:Carlo Mustazza、Maria Rosaria Del Giudice、Anna Borioni、Franco Gatta
DOI:10.1002/jhet.5570380516
日期:2001.9
This paper describes the preparation of some pyrazolo[1,5-a]-, 1,2,4-triazolo[1,5-a]- and imidazo[1,2-a]-pyrimidines substituted on the pyrimidine moiety by a 4-[(N-acetyl-N-ethyl)amino]phenyl group. A new synthesis of related benzo[h]pyrazolo[1,5-a]-, benzo[h]pyrazolo[5,1-b]- and benzo[h]1,2,4-triazolo[1,5-a]-quinazolines is also reported.
本文介绍了一些在嘧啶部分被嘧啶取代的吡唑并[1,5- a ]-,1,2,4-三唑并[1,5- a ]-和咪唑并[1,2- a ]-嘧啶的制备方法4-[((N-乙酰基-N-乙基)氨基]苯基。相关苯并[新合成ħ ]吡唑并[1,5-一个,苯并[ - ] ħ ]吡唑并[5,1- b ] -和苯并[ ħ ] 1,2,4-三唑并[1,5一还报道了]-喹唑啉。