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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1162655Generated: October 26, 2026

5-Chloro-2-thiophenecarboxylic acid → (R)-3-{[(5-chloro-thiophene-2-carbonyl)-amino]-methyl}-pyrrolidine-1-carboxylic acid tert-butyl ester

https://huagongshe.com/reaction/1162655

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Chloro-2-thiophenecarboxylic acidHCID 95048—
Reactanttert-Butyl (3R)-3-(aminomethyl)pyrrolidine-1-carboxylateHCID 1515152—
Product(R)-3-{[(5-chloro-thiophene-2-carbonyl)-amino]-methyl}-pyrrolidine-1-carboxylic acid tert-butyl esterHCID 58748286—

Reaction Steps

50.1 Using general procedure E, (R)-3-aminomethyl-1-N-tert-butoxycarbonyl-pyrrolidine was coupled with 5-chlorothiophene-2-carboxylic acid to give (R)-3-{[(5-chloro-thiophene-2-carbonyl)-amino]-methyl}-pyrrolidine-1-carboxylic acid tert-butyl ester. Brown oil. MS 345.0 ([M+H]+)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07820699B2
Source datasetuspto-grants-2010_10
ORD IDord-9f1181301f0e45f193cb5ec93cb56d22
Source noteuspto-grants-2010_10