Acetic Acid → Indacrinone
反応式
[O:1]=[C:2]1[C:10]2[C:5](=[CH:6][C:7]([O:13]CC#N)=[C:8]([Cl:12])[C:9]=2[Cl:11])[CH2:4][C:3]1([CH3:23])[C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1.[C:24]([OH:27])(=[O:26])[CH3:25].S(=O)(=O)(O)O>O>[O:1]=[C:2]1[C:10]2[C:5](=[CH:6][C:7]([O:13][CH2:25][C:24]([OH:27])=[O:26])=[C:8]([Cl:12])[C:9]=2[Cl:11])[CH2:4][C:3]1([CH3:23])[C:17]1[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=1参加物
5
実験手順
A mixture of (1-oxo-2-methyl-2-phenyl-6,7-dichloro-5-indanyloxy)acetonitrile (3.0 g.), Example 19, Step A, acetic acid (20 ml.), water (5 ml.) and concentrated sulfuric acid (5 ml.) is refluxed for 2 hours then poured into ice-water (100 ml.) affording 2.5 g. of (1-oxo-2-methyl-2-phenyl-6,7-dichloro-5-indanyloxy)acetic acid which melts at 168°-169° C. after recrystallization from acetic acid.