发明名称 METHOD OF MANUFACTURE OF ARYLSULFONALCANE ACIDS
摘要 Process for producing esters or α arylsulfonyl alkene acids with general formula a, where Ar signifies substituted or not substituted benzene ring, X signifies hydrogen or ethylene group, and R' signifies alkyl group, by alkylation of α ethylene arylsulfonyl octane with alkyl halides, characterised in that synthesis is carried out in two phases, liquid solid material, containing toluene or benzene and K2CO3 and quaternary ammonia salts are used as a catalyst, while the product is extracted in a form of ester or hydrolysed directly in the post reactive solution, following separation of K2CO3 and addition of ethanol solution of KOH, or ester is hydrolysed following its extraction.<IMAGE>
申请公布号 PL159216(B1) 申请公布日期 1992.11.30
申请号 PL19880272125 申请日期 1988.04.28
申请人 发明人
分类号 C07C;C07C317/44;(IPC1-7):C07C317/44 主分类号 C07C
代理机构 代理人
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