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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1284973Generated: October 30, 2026

Isoprene → 3a,4,7,7a-Tetrahydro-5-methyl-1,3-isobenzofurandione

https://huagongshe.com/reaction/1284973

Reaction equation

Participants

RoleNameHCIDCharge
ReactantIsopreneHCID 6557—
ReactantMaleic AnhydrideHCID 7923—
Product3a,4,7,7a-Tetrahydro-5-methyl-1,3-isobenzofurandioneHCID 98496—

Reaction Steps

reacting isoprene and maleic anhydride in the presence of a solvent to form 4-methyl-1,2,3,6-tetrahydrophthalic anhydride;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04564687
Source datasetuspto-grants-1986_01
ORD IDord-1c5dc6795bdf4e6895b6b6b5cf5cd91a
Source noteuspto-grants-1986_01