Preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran

Details Preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran Preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran

1980-07-22

1981-10-27

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

568766, C07D30786

Patent

active

042972841

ABSTRACT:
2,3-Dihydro-2,2-dimethyl-7-hydroxybenzofuran is prepared by heating isobutenylpyrocatechol or isobutenylpyrocatechol/methallylpyrocatechol admixtures, at cyclization/isomerization temperatures, in the presence of a catalytic amount of an organic sulfonic acid.

REFERENCES:
patent: 3320286 (1967-05-01), Franko-Filipasic
patent: 3474170 (1969-10-01), Scharpf
Martini et al., J. Org. Chem., vol. 35, No. 9, 1970, pp. 2904-2907.

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