Cl.[C:2]([C:4]1([NH:7][C:8]([C@@H:10]2[CH2:14][C@@H:13]([S:15]([C:18]3[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=3[Cl:24])(=[O:17])=[O:16])[CH2:12][NH:11]2)=[O:9])[CH2:6][CH2:5]1)#[N:3].[C:25](O)(=[O:32])[C:26]1[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=1>>[C:2]([C:4]1([NH:7][C:8]([C@@H:10]2[CH2:14][C@@H:13]([S:15]([C:18]3[CH:23]=[CH:22][CH:21]=[CH:20][C:19]=3[Cl:24])(=[O:17])=[O:16])[CH2:12][N:11]2[C:25](=[O:32])[C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=2)=[O:9])[CH2:6][CH2:5]1)#[N:3]L24. (2S,4R)-4-(2-chloro-benzenesulfonyl)-pyrrolidine-2-carboxylic acid (1-cyano-cyclopropyl)-amide hydrochloride from experiment K4 was coupled with benzoic acid in analogy to experiment A1 to give (2S,4R)-1-benzoyl-4-(2-chloro-benzenesulfonyl)-pyrrolidine-2-carboxylic acid (1-cyano-cyclopropyl)-amide as a colorless solid. MS: 458.2 [M+H]+.
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