Vijay Nair; Beneesh, P B; Sreekumar, V; Bindu, S; Rajeev S Menon; Ani Deepthi
(Pergamon-Elsevier Science, 2005)
The zwitterionic species generated by the addition of dimethoxycarbene to dimethyl butynedioate is trapped by arylidenemalononitrile to yield cyclopentenone derivatives.