m-Chloroperbenzoic acid → HCID 22788254、化合物
反応式
[CH3:1][C@:2]12[CH2:19][C:18](=[O:20])[C@H:17]3[C@@H:7]([CH2:8][CH2:9][C@@H:10]4[C@:15]3([CH3:16])[CH2:14][CH:13]=[CH:12][CH2:11]4)[C@@H:6]1[CH2:5][CH2:4][C@@H:3]2[C:21]([OH:23])=[O:22].ClC1C=CC=C(C(OO)=[O:32])C=1>C(Cl)(Cl)Cl>[O:32]1[C@H:12]2[CH2:11][C@H:10]3[C@:15]([CH3:16])([CH2:14][C@@H:13]12)[C@@H:17]1[C@H:7]([C@H:6]2[C@@:2]([CH2:19][C:18]1=[O:20])([CH3:1])[C@@H:3]([C:21]([OH:23])=[O:22])[CH2:4][CH2:5]2)[CH2:8][CH2:9]3参加物
4
実験手順
A solution of 5α-androst-2-en-11one 17β-carboxylic acid (1.397 g.) and m-chloroperbenzoic acid (850 mg.) in chloroform (20 ml.) was stirred at room temperature for 3.25 hr. and then diluted with chloroform (75 ml.) prior to washing with 10% aqueous sodium bicarbonate and water. The chloroform solution was dried, filtered and evaporated to give a foam (1.04g.) which, after preparative t.l.c. afforded the pure title compound as a foam; [α]D + 69°, (c 0.3).