IV and the diacetate V of cis-2.3-dihjsdroxy-2-phenyl-I-indanone (VI) in yields of 52-55 and 23-28yO, respectively. The ratio of IV: V of 2.0-2.3 is not altered seriously bj1 addition of acetic anhydride, water, or sodium acetate to the acetic acid. The reaction of amine I with nitrosyl chloride in methylene chloride gives 3-chloro-2-phenylindenone (XI V), 2, 3-dichloro- 2-phenylindanone (XV), and phthalimide (XVI) with a mole ratio of 1.7: 1.4: 1. With isoamyl ...