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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1860273Generated: November 2, 2026

Methylamine → N-methyl-4-chlorophthalimide

https://huagongshe.com/reaction/1860273

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
ReactantHCID 54187688HCID 54187688—
ProductN-methyl-4-chlorophthalimideHCID 24607895%

Reaction Conditions

Temperature150 °C

Reaction Steps

An appropriately equipped glass reaction vessel was charged with 186.5 grams (1 mole) of 4-chlorotetrahydrophthalic anhydride and heated to 150° C. under nitrogen. Methylamine gas (32 grams, 1.03 mole) was then introduced to the reaction vessel subsurface over 30 minutes. The reaction mixture was then heated for 3 hours at 180° C. The product was then distilled to give N-methyl-4-chlorophthalimide in approximately 95% yield.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06528663B1
Source datasetuspto-grants-2003_03
ORD IDord-18a8d1327da74491bcd01ca1326c2c4b
Source noteuspto-grants-2003_03