Electrochemical Cyclization of 1-Phenyl-2(-1'-chlorophenyl)-substituted Five-membered Nitrogen Heterocycles. Application to the Synthesis of Phenanthridines

DOI: 10.1039/P19900002995

Source and publish data:

Journal of the Chemical Society. Perkin transactions I p. 2995 - 2998 (1990)

Update date:2022-07-29

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Authors:

Grimshaw, James

Hewitt, S. Armstrong

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Article abstract of DOI:10.1039/P19900002995

Pyrrolo<1,2-f>phenanthridine (compound 4), 3-phenylimidazo<1,2-f>phenanthridine 8, tetrazolo<1,5-f>phenanthridine 11 and benzotetrazolo<1,5-f>phenanthridine 12 have been prepared using an electrochemical cyclizatin procedure.Treatment of the imidazophenanthridine with singlet oxygen yields a phenanthridone by degradation of the heterocyclic system.Lithium aluminium hydride reduction of the tetrazolophenanthridines yields the phenanthridine.

Full text of DOI:10.1039/P19900002995

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