Process for preparing succinic anhydride

Details Process for preparing succinic anhydride Process for preparing succinic anhydride

1995-06-06

1997-04-01

Dentz, Bernard

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30760

Patent

active

056167300

ABSTRACT:
Succinic anhydride (SA) can be prepared by catalytic hydrogenation of maleic anhydride (MA) with hydrogen in the liquid phase, by reacting a starting material composed of from 5 to 100% by weight of MA and from 95 to 0% by weight of SA, based on the total weight of MA and SA, at from 120.degree. to 150.degree. C. and a H.sub.2 pressure of from 10 to 150 bar over a Raney skeleton catalyst or a platinum group metal catalyst.

REFERENCES:
Chemical Abstracts, vol. 103, abstract no. 6210k, abstract of CS 218083 (1984).
Chemical Abstracts, vol. 98, abstract no. 34252 (1993).
German translation of CS 195,860.
Chemical Abstracts, vol. 114, abstract no. 42561m, abstract of JP 02-000,680 (1990).
Chemical Abstracts, vol. 113, abstract no. 23679a, abstract of SU 1541210 (1990).
Chemical Abstracts, vol. 93, abstract no. 71047b, abstract of SU 721,406 (1980).
Chemical Abstracts, vol. 79, abstract no. 5013x (1973).
English translation of JP 48-7609 (1973).
Derwent Abstract of CN 1063484 Dec. 1992).

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