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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1981229Generated: November 2, 2026

Dicyclohexylcarbodiimide → Racecadotril

https://huagongshe.com/reaction/1981229

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDicyclohexylcarbodiimideHCID 10868—
Reactant1-HydroxybenzotriazoleHCID 75771—
Reactantp-ToluenesulfonateHCID 85570—
ReactantBenzyl glycinateHCID 409140—
Reactant2-[(Acetylthio)methyl]-3-phenylpropionic AcidHCID 9991796—
SolventChloroformHCID 6212—
SolventTetrahydrofuranHCID 8028—
SolventTriethylamineHCID 8471—
ProductRacecadotrilHCID 107751—

Reaction Steps

To a stirred ice-cold solution of 2.85 g (12 mmoles) 3-acetylthio-2-benzylpropanoic acid in 20 ml THF are successively added a mixture of 4.04 g (12 mmoles) glycine benzyl ester p.tosylate and 1.71 ml triethylamine in 20 ml CHCl3, a solution of 1.83 g (12 mmoles) HOBT in 15 ml THF, and a solution of 2.63 g (12.8 mmoles) DCC in 10 ml CHCl3.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04513009
Source datasetuspto-grants-1985_04
ORD IDord-7ad4005a1dfb4582a682e0ffc756d27f
Source noteuspto-grants-1985_04