Organic Synthesis with Trialkylphosphine Catalysts. Conjugate Addition of Alcohols to α,β-Unsaturated Alkynic Acid Esters
作者:Junji Inanaga、Yoshiyasu Baba、Takeshi Hanamoto
DOI:10.1246/cl.1993.241
日期:1993.2
The conjugate addition of alcohols to α,β-unsaturated alkynic acidesters proceeds under neutral conditions in the presence of a catalytic amount of trialkylphosphine to give the corresponding β-alkoxy-α,β-unsaturated alkenic acidesters in good to excellent yields.
A Robust and General Protocol for the Lewis-Base-Catalysed Reaction of Alcohols and Alkyl Propiolates
作者:David Tejedor、Sergio J. Álvarez-Méndez、Juan M. López-Soria、Víctor S. Martín、Fernando García-Tellado
DOI:10.1002/ejoc.201301303
日期:2014.1
This research was supported by the Spanish Ministerio de Economia y Competitividad (MICINN) and the European Regional Development Fund (CTQ2011-28417-C01-01 and CTQ2011-28417-C02-02). S. J. A.-M. thanks the Spanish Ministerio de Educacion y Ciencia (MEC) for an FPU grant.