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Paper | Regular issue | Vol 32, No. 9, 1991, pp.1773-1776
Published online, 1st January, 1970
DOI: 10.3987/COM-91-5786
A Novel Synthesis of Azaacridones Using 1,4-Dipolar Aryne Cycloadditions

Subhash P. Khanapure, Baburao M. Bhawal, and Edward R. Biehl*

*Department of Chemistry, Southern Methodist University, P.O. Box 750314, Dallas, TX 75275-0314, U.S.A.


A novel approach for the synthesis of azaacridones based on 1,4-dipolar cycloaddition of methyl N-lithiated 2-(aminotrimethylsilyl)nicotinate (2a) and methyl 3-(aminotrimethylsilyl)pyrazine-2-carboxylate (2b) which function as 1,4-dipole equivalents, with arynes is reported.