Synthesis and Cycloaddition Reactions of Ethyl (<i>E</i>)-3-Aryl-2-(nonafluorobutyl)sulfonyl-2-propenoates
作者:Olaf Menke、Elke Steinhuber、Antonio García Martínez、L. R. Subramanian、Michael Hanack
DOI:10.1055/s-1994-25683
日期:——
Ethyl (nonafluorobutyl)sulfonylacetate (2) reacts stereo-selectively with substituted benzaldehydes 3 affording (E)-3-aryl-2-(nonafluorobutyl)sulfonyl-2-propenoates (E)-4, which are good dienophiles. The addition to cyclopentadiene yields exclusively the exo-products 8.