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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 703046Generated: October 25, 2026

D-Psicose → Methyl 2-amino-4-(methylthio)benzoate

https://huagongshe.com/reaction/703046

Reaction equation

Participants

RoleNameHCIDCharge
ReactantD-PsicoseHCID 441036—
Reactant4-Methylsulfanyl-2-nitro-benzoic acid methyl esterHCID 13988044—
ReactantHCID 178418361HCID 178418361—
CatalystPlatinum sulfide (PtS)HCID 82861—
SolventMethyl AcetateHCID 6584—
ProductMethyl 2-amino-4-(methylthio)benzoateHCID 13988045—

Reaction Steps

A mixture of methyl 4-(methylthio)-2-nitrobenzoate (11.3 g. 49.7 mmol) and 5% platinum sulfide on carbon catalyst (0.7 g) in methyl acetate (40 mL) was hydrogenated at 750 Psi and 75° C. until hydrogen uptake ceased. The mixture was filtered through Celite®, and the filtrate solvent was rotary evaporated, leaving methyl 2-amino-4-(methylthio)benzoate as a slightly tan crystalline solid (8.7 g) melting at 57°-59° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04981509
Source datasetuspto-grants-1991_01
ORD IDord-d2456382c81b41cba50b4677bd80b183
Source noteuspto-grants-1991_01