Alkenyl succinic anhydrides process

Details Alkenyl succinic anhydrides process Alkenyl succinic anhydrides process

1989-11-13

1990-09-18

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549203, C07D30760

Patent

active

049580345

ABSTRACT:
Alkenyl succinic anhydrides having a decreased amount of tar and color bodies are made by the reaction of an olefin with maleic anhydride in the presence of an arylfluorophosphite (e.g. 2,2'-ethylidenebis(4,6-di-tert-butylphenyl) fluorophosphite) and optionally a hindered phenolic antioxidant such as 2,4,6-tri(3,5-di-tert-butyl-4-hydroxybenzyl) mesitylene.

REFERENCES:
patent: 3775436 (1973-11-01), Stenseth
patent: 4028264 (1977-06-01), Puskas et al.

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