Über eine neue Methode zur positionsselektiven Einführung von Trifluormethyl-Gruppen in Heteroaromaten, Teil1. Synthese von trifluormethyl-substituierten 1,3-Azolen (Oxazole, Thiazole, Imidazole)
A Convenient Synthesis of Novel 1,3,4-Substituted 2-Pyrazoline-5-ones
作者:Dieter Sicker、Winfried Böhlmann、Detlef Bendler、Gerhard Mann
DOI:10.1055/s-1987-27980
日期:——
A number of new 1,3,4-substituted 2-pyrazoline-5-ones 3a-i have been prepared by addition of 1,3-substituted 2-pyrazoline-5-ones 1a-f to trichloroacetaldimine derivatives 2a-c.