Issue 22, 1995

Lewis acid catalysed cyclisation and halogen exchange reactions of 1,1′-biphenyl-2-yl isocyanide dihalides

Abstract

1,1′-Biphenyl-2-yl isocyanide dichloride and dibromide undergo unprecedented intramolecular Friedel–Crafts type cyclisation reactions catalysed by various Lewis acids affording useful synthetic methods for otherwise difficult to access 6-chloro- and 6-bromo-phenanthridines; nucleophilic displacement reactions of the latter and halogen exchange reactions of 1,1′-biphenyl-2-yl isocyanide dichloride and dibromide are also described.

Article information

Article type
Paper

J. Chem. Soc., Chem. Commun., 1995, 2295-2296

Lewis acid catalysed cyclisation and halogen exchange reactions of 1,1′-biphenyl-2-yl isocyanide dihalides

K. S. Currie and G. Tennant, J. Chem. Soc., Chem. Commun., 1995, 2295 DOI: 10.1039/C39950002295

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