An Improvement in the Wittig-Horner Synthesis of Allenyl Sulfones and Allenes Carboxanilides Under Sonochemical Conditions

Fillion, H.; Refouvelet, Bernard; Pera, M. H.; Dufaud, Véronique; Luche, Jean‐Louis

doi:10.1080/00397918908052738

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Cited by 13 publications

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“…Alternatively, a Horner-Wadsworth-Emmons (HWE) reaction between a phosphate carbanion and a carbonyl compound can be used to access a variety of substituted allenes, 133,134 allenyl esters, 135 amides, 136,137 and sulfones. 137 Tomioka and co-workers, 138 for example, have designed a one-pot procedure for the synthesis of functionalized allenes using two sequential HWE olefination reactions (Scheme 48). The first HWE reaction occurs be- Correspondingly, Fuji and co-workers 139 developed a one-pot procedure for the synthesis of allenyl esters by a HWE reaction between 2,6-di-tert-butyl-4-methylphenyl (BHT) esters and phosphonate carbanions (Scheme 49).…”

Section: Scheme 47mentioning

confidence: 99%

Synthesizing Allenes Today (1982-2006)

Brummond¹,

DeForrest²

2007

Synthesis

343

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Allenes have allowed chemists to access a variety of structurally interesting and biologically active products. The emergence of these unique compounds in organic synthesis is a direct result of the discovery and development of efficient protocols for their preparation. Moreover, efficient syntheses of the allenyl functionality are important to the synthetic community and will be reported and discussed in this review.

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