RECYCLIZATION OF 1-ACYL(THIOACYL)-5-HYDROXY-2-PYRAZOLINES TO 1,3,4-OXA(THIA)DIAZOL-2-INE DERIVATIVES ON ACETYLATION
DOI:
https://doi.org/10.1007/512Abstract
The acetylation of 1-acyl(thioacyl)-5-hydroxy-2-pyrazoline produces recyclization to the corresponding 4-acyl-5-(2-oxoalkyl)-1,3,4-oxa(thia)diazol-2-ine.
Authors: K. N. Zelenin, V. V. Alekseev, A. K. Zelenin, and Yu. S. Sushkova.
English Translation in Chemistry of Heterocyclic Compounds, 1999, 35 (1), pp 87-92