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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 638356Generated: October 31, 2026

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

https://huagongshe.com/reaction/638356

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 to form 4-methyl-1,2,3,6-tetrahydrophthalic anhydride;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04560772
Source datasetuspto-grants-1985_12
ORD IDord-2e2c157177f84a28b069471e8653bdeb
Source noteuspto-grants-1985_12