2-Acetamido-1,3-thiazole-5-sulfonyl chloride → (S)-2-({(S)-7-(2-Acetylamino-thiazole-5-sulfonyl)-3-[4-(3,4-dichloro-benzyloxy)-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

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Reaction Steps

(S)-3-(4′-Cyano-biphenyl-4-yl)-2-({(S)-3-[4-(3,4-dichloro-benzyloxy)-phenyl]-2,3,6,7,8,9-hexahydro-[1,4]dioxino[2,3-g]isoquinoline-8-carbonyl}-amino)-propionic acid methyl ester (48 mg) was treated with 2-acetylamino-thiazole-5-sulfonyl chloride according to General Procedure E to give (S)-2-({(S)-7-(2-Acetylamino-thiazole-5-sulfonyl)-3-[4-(3,4-dichloro-benzyloxy)-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.

Provenance & Evidence