Process for preparing 2-methyl-3-prenyl-4,5,6-trimethoxyphenol

Details Process for preparing 2-methyl-3-prenyl-4,5,6-trimethoxyphenol Process for preparing 2-methyl-3-prenyl-4,5,6-trimethoxyphenol

1978-02-16

1979-08-07

Helfin, Bernard

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

Organic compounds

Oxygen containing

568651, C07C 4100

Patent

active

041638646

ABSTRACT:
2-METHYL-3-PRENYL-4,5,6-TRIMETHOXYPHENOL OF THE FORMULA: ##STR1## wherein R represents a group of the formula: ##STR2## WHEREIN N IS AN INTEGER OF 0 TO 9 AND A and B represent hydrogen atom or A--B may form a bond,
Is prepared by reacting 6-methyl-2,3,4-trimethoxyphenol with a prenol or isoprenol substituted by the group R as defined above in the presence of a complex catalyst comprising Lewis acid and a silica-alumina compound.

REFERENCES:
patent: 3349113 (1967-10-01), Gloor et al.
patent: 4039573 (1977-08-01), Kijima et al.
patent: 4061660 (1977-12-01), Kijima et al.
patent: 4062879 (1977-12-01), Kijima et al.

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