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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 27606Generated: October 25, 2026

L-Proline 1,1-dimethylethyl ester → 1-(3-acetylthio-1-oxopropyl)-4,5-dihydro-4-hydroxy-1H-pyrrole-2-carboxylic acid

https://huagongshe.com/reaction/27606

Reaction equation

Participants

RoleNameHCIDCharge
ReactantL-Proline 1,1-dimethylethyl esterHCID 6453108—
Reactant3-(Acetylsulfanyl)propanoyl chlorideHCID 12943122—
Reactant4-tert-butoxy-L-proline tertbutyl esterHCID 54533217—
Product1-(3-acetylthio-1-oxopropyl)-4,5-dihydro-4-hydroxy-1H-pyrrole-2-carboxylic acidHCID 23343191—

Reaction Steps

By substituting 4-tert-butoxy-L-proline tert-butyl ester for the L-proline tert-butyl ester and 3-acetylthiopropanoyl chloride for the 3-acethylthio-2-methylpropanoyl chloride in the procedure of Example 1, 1-(3-acetylthio-1-oxopropyl)-4,5-dihydro-4-hydroxy-1H-pyrrole-2-carboxylic acid is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04221912
Source datasetuspto-grants-1980_09
ORD IDord-1a1f54ae62ec4b19a30db408707bfcf6
Source noteuspto-grants-1980_09