发明名称 |
Process for the preparation of p-chlorotoluene |
摘要 |
p-Chlorotoluene can be prepared in an improved manner by catalyzed reaction of toluene with a chlorinating agent if a zeolite L containing metal cations is employed as the catalyst and the reaction is carried out in the presence of methylene chloride and/or chloroform.
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申请公布号 |
US5053565(A) |
申请公布日期 |
1991.10.01 |
申请号 |
US19900572526 |
申请日期 |
1990.08.23 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
BOTTA, ARTUR;BUYSCH, HANS-JOSEF;PUPPE, LOTHAR |
分类号 |
B01J29/60;B01J29/50;C07B61/00;C07C17/12;C07C25/02 |
主分类号 |
B01J29/60 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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