N - phenyl maleimide was synthesized ring dehydration catalyst of nickel diacetylacetonate ( Ni ( ac ac ) 2 ) by acetic anhydride method.

以乙酰丙酮镍为闭环脱水催化剂,运用改进的醋酐法,合成了N - 苯基 马来酰亚胺.

互联网

Sulfur method replaced by acetic anhydride method for chloroacetic production is the trends in domestic.

指出在国内用醋酐法代替硫磺法生产氯乙酸的必然趋势.

互联网

The effects as the dosage catalyzer and acetic anhydride had been studied in new process.

并探讨新工艺中,异构化催化剂的用量、酰化剂醋酐的配比对乙酰甲胺磷的收率的影响.

互联网

A new process and high effective catalyzer of acephate's synthesis was studied in this paper.

本文提供一种用新型高效催化剂催化甲胺磷与酰化剂醋酐合成乙酰甲胺磷的新工艺.

互联网