Pivaloyl chloride → HCID 18969707, 화합물
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[CH3:1][C:2]1([CH3:23])[CH:5]([OH:6])[C:4]([C:7]2[CH:12]=[CH:11][CH:10]=[CH:9][CH:8]=2)=[C:3]1[C:13]1[CH:18]=[CH:17][C:16]([S:19]([CH3:22])(=[O:21])=[O:20])=[CH:15][CH:14]=1.C(N(C(C)C)CC)(C)C.[C:33](Cl)(=[O:38])[C:34]([CH3:37])([CH3:36])[CH3:35]>C(Cl)Cl>[CH3:1][C:2]1([CH3:23])[CH:5]([O:6][C:33](=[O:38])[C:34]([CH3:37])([CH3:36])[CH3:35])[C:4]([C:7]2[CH:8]=[CH:9][CH:10]=[CH:11][CH:12]=2)=[C:3]1[C:13]1[CH:14]=[CH:15][C:16]([S:19]([CH3:22])(=[O:21])=[O:20])=[CH:17][CH:18]=1참가 물질
5
실험 절차
To a solution of Example 62 (100 mg) in CH2Cl2 (1.5 mL) at r.t., was added diisopropylethylamine (105 μL) and pivaloyl chloride (70 μL). The mixture was stirred at r.t. for 1.5 hr and the solvents evaporated. The residue was purified by flash chromatography (silica gel; hexane/EtOAc (80:20)) to give the title compound as a yellow solid, m.p. 66°-67° C.