Cyclopentanecarbonyl chloride → HCID 57849869, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of (S)-2-[5-(4-Amino-phenyl)-thiazol-2-ylcarbamoyl]-pyrrolidine-1-carboxylic acid benzyl ester (Compound 5111, Example 111, 0.05 g, 0.12 mmol), Cyclopentanecarbonyl chloride (0.015 mL), and TEA (0.018 mL) in dichloromethane (3 mL) was stirred at 0° C. for 20 min. then was quenched with water. The mixture was concentrated in vacuo and the resulting residue was dissolved in DMF (5 mL) and water (0.5 mL) then purified by reverse phase prep. LC/MS to furnish the desired product; MS: 519.1 (M+H+).

Provenance & Evidence