Polynuclear hydrocarbons - polynuclear exam_05-2017

Q.1-  A) Deduce the structure of phenanthrene and confirm it by Pschorr synthesis.

B) Illustrate in equations the following reactions:

      i) Ozonolysis of diphenyl.

      ii) 2-Naphthylamine with diazonium salt.

      iii) Benzaldehyde with ethanolic KCN.

      iv) 2-Naphthol with nitrous acid.

       v) Benzil with o-phenylenediamine.

       vi) Anthracene with excess sulfuric acid.

Q.2- A) Explain by equations how can prepare the following from benzene:

        i) 1-Naphthyl amine. ii) Dianthryl.