Journal of Organic Chemistry p. 5912 - 5919 (1989)
Update date:2022-08-04
Topics:
Nakano, Yoshihiko
Hamaguchi, Masashi
Nagai, Toshikazu
Treatment of 5,5-disubstituted 3-chloro-1-pyrazolines, derived from the reaction between disubstituted diazomethanes and dimethyl chlorofumarate, with triethylamine gives the corresponding 3,3-disubstituted 3H-pyrazoles in good yield.This method was appli
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