发明授权
US5698600A Process for the production of bisphenols with the use of new cocatalysts 失效
使用新型助催化剂生产双酚的方法

Process for the production of bisphenols with the use of new cocatalysts
摘要:
The invention relates to the synthesis of bisphenols from monophenols and carbonyl compounds such as aldehydes and ketones with concentrated mineral acids such as hydrochloric acid and/or hydrogen chloride gas as acid catalysts and a mercaptan as cocatalyst, which is fixed by an ion-pair bond to a matrix insoluble in the reaction medium.
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