Dicyclohexylcarbodiimide → 9-Fluoro-21-[2-(formylamino)-4-methylthio-1-oxobutylthio]-11beta,17-dihydroxy-16beta-methylpregna-1,4-diene-3,20-dione

Reaction equation

[CH:1]([NH:3][C@H:4]([C:9]([OH:11])=O)[CH2:5][CH2:6][S:7][CH3:8])=[O:2].[F:12][C@:13]12[C@@H:33]([OH:34])[CH2:32][C@@:31]3([CH3:35])[C@@H:23]([CH2:24][C@H:25]([CH3:37])[C@:26]3([OH:36])[C:27](=[O:30])[CH2:28][SH:29])[C@@H:22]1[CH2:21][CH2:20][C:19]1[C@:14]2([CH3:39])[CH:15]=[CH:16][C:17](=[O:38])[CH:18]=1.C1(N=C=NC2CCCCC2)CCCCC1>C(OCC)(=O)C>[F:12][C@:13]12[C@@H:33]([OH:34])[CH2:32][C@@:31]3([CH3:35])[C@@H:23]([CH2:24][C@H:25]([CH3:37])[C@:26]3([OH:36])[C:27](=[O:30])[CH2:28][S:29][C:9](=[O:11])[CH:4]([NH:3][CH:1]=[O:2])[CH2:5][CH2:6][S:7][CH3:8])[C@@H:22]1[CH2:21][CH2:20][C:19]1[C@:14]2([CH3:39])[CH:15]=[CH:16][C:17](=[O:38])[CH:18]=1