Acetonitrile → HCID 68688141, compound

Participants

Reaction Steps

A solution of (1R,3S,4R)-3-[(5-chloro-thiophene-2-carbonyl)-amino]-4-methanesulfonyloxy-cyclopentanecarboxylic acid methyl ester (150 mg) in acetonitrile (5 ml) was treated with tetraethylammonium cyanide (74 mg) and heated to reflux for 4 hrs. The reaction mixture was concentrated. The crude product was isolated by column chromatography (silica gel; gradient: CH2Cl2→CH2Cl2/MeOH 95:5) to give 3-[(5-chloro-thiophene-2-carbonyl)-amino]-4-cyano-cyclopentanecarboxylic acid methyl ester (100 mg) as light brown oil.

Provenance & Evidence