Isomerization method
The present invention relates to a method for preparing a trans-1,4-disubstituted cyclohexane compound with at least one benzene-derived residue at 1- or 4- position. The method comprises an isomerization step for converting one or a plurality of cis-configured cyclohexane ring to trans configuratio...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The present invention relates to a method for preparing a trans-1,4-disubstituted cyclohexane compound with at least one benzene-derived residue at 1- or 4- position. The method comprises an isomerization step for converting one or a plurality of cis-configured cyclohexane ring to trans configuration in the presence of additional compound which forms carbocations while a strong acid is used. |
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