A Cycloadduct of Diphenylpropadienylidene Meldrums Acid With Diphenylpropadienylidenetriphenylphosphorane
RFC Brown, FW Eastwood, GD Fallon, L Lavecchia and K Schank
Australian Journal of Chemistry
42(3) 451 - 457
Published: 1989
Abstract
An attempt to obtain diphenylpropadienylidene Meldrum's acid (5) by a Wittig reaction between oxo Meldrum's acid (6) and the phosphorane (2) gave, in low yield, a cycloadduct of (2) and (5). Its structure (7) was determined by X-ray crystallography.
https://doi.org/10.1071/CH9890451
© CSIRO 1989