Investigation of Pyrazole Compounds. I. The Reaction Product of Phenylhydrazine and Ethyl Cyanoacetate
作者:A. Weissberger、H. D. Porter
DOI:10.1021/ja01261a034
日期:1942.9
solvent promotes enolization. In experiments with ketone I and ethyl bromoacetate, 68% of acid14 and a small but undetermined amount of ketone were obtained in benzene as solvent. In pure dioxane the reaction took place more vigorously than in benzene but the yields were 29y0 of acidI4 and a large but undetermined amount of ketone I. No iodine was used. In other experiments with methyl bromoacetate and