2-Acetamido-4-methylthiazole-5-sulfonyl chloride → HCID 86681533, compound

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Reaction Steps

(S)-3-(4′-Cyano-biphenyl-4-yl)-2-{[(S)-3-(4-cyclopentylmethoxy-phenyl)-2,3,6,7,8,9-hexahydro-[1,4]dioxino[2,3-g]isoquinoline-8-carbonyl]-amino}-propionic acid methylester hydrochloride (18 mg) was reacted with 2-acetylamino-4-methyl thiazole-5-sulfonyl chloride (11 mg) according to General Procedure E to give (S)-2-{[(S)-7-(2-acetylamino-4-methyl-thiazole-5-sulfonyl)-3-(4-cyclopentylmethoxy-phenyl)-2,3,6,7,8,9-hexahydro-[1,4]dioxino[2,3-g]isoquinoline-8-carbonyl]-amino}-3-(4′-cyano-biphenyl-4-yl)-propionic acid methyl ester (17 mg). This was hydrolyzed according to General Procedures N and B to give the title compound (4.5 mg). LCMS: (m/z) 835.

Provenance & Evidence