Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1984-01-31
1989-03-28
Lee, Mary C.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D30786
Patent
active
048165921
ABSTRACT:
A process for the production of benzofuran derivatives having the general formula, ##STR1## wherein R is alkyl, in particular of 2,3-dihydro-2,2-dimethyl benzofuran-7-ol, starting from pyrocatechol ethers in one step operation.
The process essentially consists of heating a solution of pyrocatechol ether in an inert organic solvent in the presence of a catalyst comprising metals of 3.degree. and 4.degree. group of the Periodic System in form of carboxylates or of modified zeolites.
The products are known intermediates for the production of insecticides.
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Mustafa, Benzofurans, Wiley Publishers, pp. 144 and 145 (1974).
Correale Mariano
Maggioni Paolo
Minisci Francesco
Dentz Bernard I.
Enichem Sintesi Spa
Lee Mary C.
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