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Process for the preparation of chloro-alkylbenzene

2020-02-13 来源:步旅网
专利内容由知识产权出版社提供

专利名称:Process for the preparation of chloro-alkylbenzenes and novel cocatalyststherefor

发明人:Ramesh Krishnamurti,Sandor Nagy,Thomas

F. Smolka

申请号:US08/426208申请日:19950421公开号:US05621153A公开日:19970415

摘要:A process for the para-directed nuclear chlorination of an alkylbenzene, such astoluene, comprises reacting the alkylbenzene with chlorine in the presence of a Lewisacid catalyst and a novel co-catalyst of the formula: ##STR1## where Z is ##STR2## ; andR is Cl, Br, F, C.sub. 1 to C.sub.8 alkyl to C.sub.1 to C.sub.8 alkoxy; x and y are eachhydrogen, or taken together form a fused cyclopentyl or cyclohexyl ring; n is 0, 1 or 2,with the proviso that when Z is [3], n is 0 or 1.

申请人:OCCIDENTAL CHEMICAL CORPORATION

代理人:Arthur S. Cookfair,Richard D. Fuerle

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