Kk. Singal et J. Kaur, Regioselective synthesis of 1,2-diarylbenzazetidenes via [2+2] cycloaddition reactions of benzyne with azomethines, SYN COMMUN, 31(18), 2001, pp. 2809-2815
[2+2] Cycloaddition reactions of benzyne generated in situ with various sub
stituted azomethines have been carried out leading to the synthesis of 1,2-
diarylbenzazetidenes in good yields with a high degree of regioselectivity.