Process for preparing novel isomeric dicarboxy, di (hydroxymethy

Details Process for preparing novel isomeric dicarboxy, di (hydroxymethy Process for preparing novel isomeric dicarboxy, di (hydroxymethy

1976-12-08

1978-08-01

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

528341, 528354, C07D30788, C07D40710

Patent

active

041042816

ABSTRACT:
A process for preparing novel isomeric dicarboxy, di (hydroxymethyl), diphenylmethane dilactones wherein benzophenone-3, 4,3',4'-tetracarboxylic dianhydride is subjected to hydrogenation in an ether or ester carrier in the presence of a hydrogenation catalyst pretreated in an ether carrier.

REFERENCES:
patent: 2079325 (1937-05-01), Larchar et al.
patent: 3332964 (1967-07-01), McCraken et al.
patent: 3895037 (1975-07-01), Onopchenko et al.

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