Journal of the Chemical Society. Chemical communications p. 2295 - 2296 (1995)
Update date:2022-08-30
Topics:
Currie, Kevin S.
Tennant, George
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.
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