Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 46500Generated: October 29, 2026

Methylamine → 3-(1,2-Dihydro-2-naphthalenyl)-1-methyl-2,5-pyrrolidinedione

https://huagongshe.com/reaction/46500

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
ReactantDihydro-3-(1,2-dihydro-2-naphthalenyl)-2,5-furandioneHCID 20387363—
SolventWaterHCID 962—
Product3-(1,2-Dihydro-2-naphthalenyl)-1-methyl-2,5-pyrrolidinedioneHCID 20387359—

Reaction Steps

60 g of the above anhydride is added portionwise to a stirred 500 ml portion of aqueous methylamine. After addition is complete, the mixture is heated to boil off water and excess amine, ultimately to 210°-220° to complete the cyclization and form the title A compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04173640
Source datasetuspto-grants-1979_11
ORD IDord-4078e06ce38445eea78205e8999ebf4e
Source noteuspto-grants-1979_11