P-Benzoquinone diketals

Details P-Benzoquinone diketals P-Benzoquinone diketals

1977-04-19

1978-04-04

Mack, John H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4100

Patent

active

040828093

ABSTRACT:
P-Benzoquinone diketals of the formula ##STR1## wherein R is an alkyl group having from 1 to 4 carbon atoms or a halogen atom, preferably CH.sub.3, Cl or F. The diketals obtained may be converted into the corresponding p-quinones by acidic hydrolysis and are, consequently, valuable intermediates for the preparation of the latters as well as for the transformation into the corresponding hydroquinones, which in their turn may be used in known manner in photography, as stabilizers for monomers, as starting material for dyestuff preparation etc.

REFERENCES:
J. Am. Chem. Soc. 85, (1963), 2525.

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