Process for preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxyben

Details Process for preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxyben Process for preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxyben

1982-02-18

1983-04-19

Ford, John M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07P30786

Patent

active

043806546

ABSTRACT:
A process for preparing 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran in which 2-methallyloxyphenol is heated to a temperature in the range of 150.degree. C. to 250.degree. C. in the presence of a solvent and a Lewis acid catalyst under an autogenous pressure of 20 to 60 psig is disclosed and exemplified.

REFERENCES:
patent: 3320286 (1967-05-01), Franko-Filipasic
patent: 3356690 (1967-12-01), Orwoll
patent: 3419579 (1968-12-01), Towns
patent: 3474170 (1969-10-01), Scharpf
patent: 3474171 (1969-10-01), Scharpf
patent: 3547955 (1970-12-01), Scharpf
patent: 4256647 (1981-03-01), Michelet et al.
patent: 4297284 (1981-10-01), Michelet
patent: 4324731 (1982-04-01), Michelet et al.
Abstract EPC Publication 30511, Corresponding to European Patent 30,511.
Rough Translation and Abstract (CA 91:5106c) of Hungarian 173437.

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