Synthesis of poly-functionalized pyrazoles under Vilsmeier-Haack reaction conditions
作者:Aleksandr V. Popov、Valentina A. Kobelevskaya、Ludmila I. Larina、Igor B. Rozentsveig
DOI:10.24820/ark.5550190.p010.934
日期:——
Synthesis of 1,3-disubstituted 5-chloro-1H-pyrazole-4-carbaldehydes was achieved by formylation of the corresponding 5-chloro-1H-pyrazoles under Vilsmeier-Haack conditions.