Biphenyl aldehydes

Details Biphenyl aldehydes Biphenyl aldehydes

1981-10-22

1982-12-21

Brown, Johnnie R.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549473, 560108, 560144, 568441, 260463, C07D30406, C07D30712, C07C 69773

Patent

active

043650724

ABSTRACT:
Biphenyl compounds of the formula ##STR1## wherein one of R.sup.1 and R.sup.2 is hydrogen and the other is --CHO and the cyclic moiety A is a -2,5-; 2,3; or 3,4-di-OR-1-phenyl moiety wherein R is hydrogen or a hydroxy-protecting group are disclosed. The compounds are useful as intermediates in preparing redox compounds containing a phenylhydroquinone or phenylcatechol moiety.

REFERENCES:
patent: 2651644 (1953-09-01), Gisrold
patent: 3406064 (1968-10-01), Land
patent: 3600177 (1971-08-01), Abbott et al.
patent: 3617272 (1971-11-01), Stewart
patent: 3617277 (1971-11-01), Stewart
patent: 4085147 (1978-04-01), Rosinger et al.
patent: 4275241 (1981-06-01), Bohm et al.
patent: 4279987 (1981-07-01), Ogi et al.

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