Publications
34 results found
Brechtelsbauer C, Emig G, 1997, Process for selective heterogenous and catalytic synthesis of 4-methyl and 4,4'-dimethyl biphenyl, WO1997049654 A1
The invention relates to a process for selective preparation of 4-substituted or 4,4'-disubstituted alkylated derivatives of biphenyl or a biphenyl derivative. According to said process, biphenyl or a biphenyl derivative are brought into contact with an alkylated benzol in the presence of a catalyst. The invention is characterised in that a zeolite with a large micropore diameter is used as the catalyst.
Brechtelsbauer C, Emig G, 1997, Transalkylation of biphenyl over zeolites: Optimizing the reaction conditions and kinetic modeling, CHEMICAL ENGINEERING & TECHNOLOGY, Vol: 20, Pages: 582-588, ISSN: 0930-7516
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- Citations: 1
Brechtelsbauer C, Emig G, 1997, Shape selective methylation of biphenyl within zeolites: An example of transition state selectivity, APPLIED CATALYSIS A-GENERAL, Vol: 161, Pages: 79-92, ISSN: 0926-860X
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- Citations: 24
Brechtelsbauer C, 1997, Selektive heterogen-katalytische Synthese von para-methylierten Biphenylen
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