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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 848407Generated: October 25, 2026

Maleic Anhydride → Eicosenyl succinic anhydride

https://huagongshe.com/reaction/848407

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMaleic AnhydrideHCID 7923—
Reactant1-EicoseneHCID 18936—
Reactant1,3,5-Trimethyl-2,4,6-tris(3,5-di-tert-butyl-4-hydroxybenzyl)benzeneHCID 74370—
SolventHeptaneHCID 8900—
ProductEicosenyl succinic anhydrideHCID 54069643—

Reaction Conditions

Temperature210 °C

Reaction Steps

In a separate reaction vessel was placed 560 grams of the above isomerized eicosene and 200 ml heptane. The 3.1 grams of tri-(3,5-di-tert-butyl-4-hydroxybenzyl)mesitylene stabilizer was added and the mixture heated to 210° C. Over a 2.5-hour period, 156.8 grams of maleic anhydride was added at about 225° C. Following this unreacted maleic anhydride was distilled out under vacuum at 210° C. leaving isomerized eicosenyl succinic anhydride.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04295983
Source datasetuspto-grants-1981_10
ORD IDord-e24243ac3ce041e7ac448a94d828bd5f
Source noteuspto-grants-1981_10