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US 4,302,615 AGranted
Synthesis of 2-alkoxyphenols
AssigneeS. C. Johnson & Son, Inc.
InventorJohn D. Hagarty
Life of this patent
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Abstract
A reductive hydrogenolysis of a 2-substituted 1,3-benzodioxole is carried out employing a hydride-donating reducing agent system to produce a 2-alkoxyphenol.
Claims8
Process for producing a 2-alkoxyphenol of the formula ##STR5## which comprises:
- conducting a reductive hydrogenolysis with a metal hydride in the presence of a Lewis acid of a 2-alkyl-1,3-benzodioxole of the formula:
- ##STR6## wherein R.sub.1 and R.sub.2 are the same or different and R.sub.1 is H or lower alkyl and R.sub.2 is lower alkyl.
Process for producing 2-isopropoxyphenol comprising:
- conducting a reductive hydrogenolysis of 2,2-dimethyl-1,3-benzodioxole with a metal hydride in the presence of a Lewis acid.
Dependencies are inferred from the claim text.