VERFAHREN ZUR HERSTELLUNG VON DIMETHYLBENZYLCARBINOL UND DIMETHYLBENZYLCARBINYLFORMIAT

1. Process for preparing dimethylbenzyl carbinol and dimethylbenzyl carbinyl formate from 2-methyl-1-phenyl-2-propene and formic acid in the presence of catalytic amounts of a strong mineral acid, characterised in that the conversion is carried out in the presence of an aliphatic alcohol containing...

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Bibliographic Details
Main Authors SPRINGER,HELMUT, BERNHAGEN,WOLFGANG,.DR
Format Patent
LanguageGerman
Published 04.03.1982
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
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Summary:1. Process for preparing dimethylbenzyl carbinol and dimethylbenzyl carbinyl formate from 2-methyl-1-phenyl-2-propene and formic acid in the presence of catalytic amounts of a strong mineral acid, characterised in that the conversion is carried out in the presence of an aliphatic alcohol containing 1 to 10 carbon atoms, a cycloaliphatic or aromatic alcohol, which has up to 10 carbon atoms, the mole ratio of olefin to formic acid is 1 : 1 to 10, that of olefin to formic acid is 1 : 0.05 to 0.2 and that of olefin to catalyst 1 : 0.05 to 0.2, sulfuric acid is used as a catalyst and the reaction takes place at 5 to 50 degrees C.
Bibliography:Application Number: DE19803027478