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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2269706Generated: October 30, 2026

Lawesson's reagent → Methyl 4-amino-4-thioxobutanoate

https://huagongshe.com/reaction/2269706

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLawesson's reagentHCID 87949—
ReactantMethyl 3-carbamoylpropanoateHCID 12550576—
SolventTolueneHCID 1140—
ProductMethyl 4-amino-4-thioxobutanoateHCID 1833302042.3%

Reaction Steps

Lawesson's reagent (2.6 g) was added to a toluene (10 ml) solution of methyl succinamate (1.7 g). The reaction mixture was heated under reflux for 4 hours, cooled, and then concentrated. The residue was purified by silica gel column chromatography (eluent: hexane/ethyl acetate=1/1) to obtain the entitled compound (400 mg) as an oily substance.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06329389B1
Source datasetuspto-grants-2001_12
ORD IDord-bd80e97a080b4e869ebb685a9e91765b
Source noteuspto-grants-2001_12