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The application of unsymmetrical vinylogous iminium salts and related synthons to the preparation of monosubstituted triazolo [1, 5-a]pyrimidines

✍ Scribed by Scott A. Petrich; Zhenrong Qian; Lisa M. Santiago; John T. Gupton; James A. Sikorski


Publisher
Elsevier Science
Year
1994
Tongue
French
Weight
763 KB
Volume
50
Category
Article
ISSN
0040-4020

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## Abstract 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[