A convenient oxidation method of 1-(2-chloroethyl)-4-formylpyrazoles followed by dehydrochlorination was developed for preparation of 1-vinyl-4-pyrazolecarboxylic acids. Dehydrochlorination rate was established to decrease with the growing number of electron-donor substituents.
A convenient oxidation method of 1-(2-chloroethyl)-4-formylpyrazoles followed by dehydrochlorination was developed for preparation of 1-vinyl-4-pyrazolecarboxylic acids. Dehydrochlorination rate was established to decrease with the growing number of electron-donor substituents.
作者:A. O. Baltayan、A. A. Saakyan、O. S. Attaryan、G. V. Asratyan
DOI:10.1134/s1070363210050257
日期:2010.5
A convenient oxidation method of 1-(2-chloroethyl)-4-formylpyrazoles followed by dehydrochlorination was developed for preparation of 1-vinyl-4-pyrazolecarboxylic acids. Dehydrochlorination rate was established to decrease with the growing number of electron-donor substituents.