发明授权
US4405766A Phosphonium bicarbonate catalysts for promoting reaction of epoxides with carboxylic acids or anhydrides 失效
用于促进环氧化物与羧酸或酸酐反应的碳酸氢盐催化剂

Phosphonium bicarbonate catalysts for promoting reaction of epoxides
with carboxylic acids or anhydrides
摘要:
Tetrahydrocarbyl phosphonium bicarbonate salts are employed as catalysts to promote the reaction between (a) vicinal epoxides and (b) carboxylic acids or anhydrides. These catalysts are particularly useful in the preparation of vinyl ester resins.
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