[CH3:1][C:2]1[C:3]([C:22]2[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=2)=[C:4]([O:14][C:15]2[CH:21]=[CH:20][C:18]([NH2:19])=[CH:17][CH:16]=2)[C:5]2[C:10]([CH:11]=1)=[CH:9][C:8]([O:12][CH3:13])=[CH:7][CH:6]=2.CCN(CC)CC.[CH2:35]([S:37](Cl)(=[O:39])=[O:38])[CH3:36]>CN(C1C=CN=CC=1)C.C(Cl)Cl>[CH3:13][O:12][C:8]1[CH:9]=[C:10]2[C:5](=[CH:6][CH:7]=1)[C:4]([O:14][C:15]1[CH:21]=[CH:20][C:18]([NH:19][S:37]([CH2:35][CH3:36])(=[O:39])=[O:38])=[CH:17][CH:16]=1)=[C:3]([C:22]1[CH:27]=[CH:26][CH:25]=[CH:24][CH:23]=1)[C:2]([CH3:1])=[CH:11]2A flask containing a solution of 29 (0.21 g, 0.59 mmol), Et3N (0.18 g, 1.78 mmol) and DMAP (0.034 g, 0.28 mmol) in CH2Cl2 (5 mL) was added ethanesulfonyl chloride (0.19 g, 1.48 mmol), dropwise, at RT and the reaction allowed to stir overnight at RT.
Wird geladen…