Tricyclic Compounds Anthracene, Phenanthrene, and Dibenzocycloheptene

The discovery of the activity of the phenothiazines such as chlorpromazine (44) against schizophrenia pointed the way to drug therapy of diseases of the mind. The intensive 

Reaction of substituted nitrile with phenyl magnesium bromide gives, after hydrolysis, the benzophenone Re- 

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