(1S-cis)-3-(4-hydroxyphenyl),5-cyclohexadiene-1,2-diol and corre

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

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568743, C07C 69013, C07C 3917

Patent

active

049855891

ABSTRACT:
A method is provided for converting 4-substituted biphenyls, such as 4-hydroxybiphenyl, to the corresponding 3,4'-dihydroxybiphenyl utilizing mutant strains of Alcaligenes eutrophus or Pseudomonas putida. Hydroxylation of the unsubstituted biphenyl ring to the corresponding (1S-cis)-3-(4-hydroxyphenyl)-3,5-cyclohexadiene-1,2-diol and its conversion to the corresponding triacetate, followed by treatment in base to form 3,4'-dihydroxybiphenyl is also provided.

REFERENCES:
patent: 4665215 (1987-05-01), Davenport
patent: 4873374 (1989-10-01), Miura et al.
patent: 4877907 (1989-10-01), Miura et al.

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