The present invention provides a process for producing a compound of formula (1) wherein Rf is C1-8-fluoroalkyl:
comprising reacting vinylene carbonate with a compound of the formula Rf-X (5-1) wherein Rf is C1-8-fluoroalkyl and X is a halogen atom, to provide a compound of formula (5-2):
wherein Rf and X are as defined above, and reacting the compound of formula (5-2) with a base or metal.
本发明提供了一种生产式(1)化合物的工艺,其中 Rf 为 C1-8-
氟烷基:
包括使
碳酸乙烯酯与式 Rf-X (5-1) 其中 Rf 为 C1-8-
氟烷基且 X 为卤素原子的化合物反应,生成式 (5-2) 化合物:
其中 Rf 和 X 如上定义,然后将式 (5-2) 化合物与碱或
金属反应。