The Journal of organic chemistry

Phosphine-Mediated [3+ 2] Cycloaddition Reactions of Ethyl 5, 5-Diarylpenta-2, 3, 4-trienoates with Arylmethylidenemalononitriles and N-Tosylimines

XY Guan, M Shi

Index: Browne, Neil R.; Brown, Roger F. C.; Eastwood, Frank W.; Fallon, Gary D. Australian Journal of Chemistry, 1987 , vol. 40, # 10 p. 1675 - 1686

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Citation Number: 34

Abstract

... Recently, Browne et al. have successfully prepared the corresponding cumulene diester from the reaction of Va with mesoxalic ester in 53% yield in the presence of triethylamine (eq ).(9). ... Table 2. entry a, Ar, R, yield (%) b. ... 5, C 6 H 5, m-MeC 6 H 4, 3f, 82. 6, C 6 H 5, m-FC 6 H 4, 3g ...