Dimethyl Sulfoxide → 1-(4-bromophenyl)-2-(9H-xanthen-9-yl)ethanone

반응식

[Br:1][C:2]1[CH:29]=[CH:28][C:5]([C:6]([CH:8]([CH:14]2[C:27]3[CH:26]=[CH:25][CH:24]=[CH:23][C:22]=3[O:21][C:20]3[C:15]2=[CH:16][CH:17]=[CH:18][CH:19]=3)C(OCC)=O)=[O:7])=[CH:4][CH:3]=1.CS(C)=O>O>[Br:1][C:2]1[CH:3]=[CH:4][C:5]([C:6](=[O:7])[CH2:8][CH:14]2[C:15]3[CH:16]=[CH:17][CH:18]=[CH:19][C:20]=3[O:21][C:22]3[C:27]2=[CH:26][CH:25]=[CH:24][CH:23]=3)=[CH:28][CH:29]=1

참가 물질

실험 절차

Ethyl 2-(4-bromobenzoyl)-2-(9H-xanthen-9-yl)acetate (10.0 g, 0.02 mol) was heated in a solution of dimethylsulphoxide (100 ml) and water (0.72 ml) following the procedure described in Example (iv) to give 1-(4-bromophenyl)-2-(9H-xanthen-9-yl)ethanone as a yellow solid.