As an extension of our earlier study, (E)-alkyl 3-
(dialkoxyphosphoryl)-3-phenylacrylates were synthesized by the addition of
dialkyl phosphites to the triple bond of alkyl phenylpropiolates under microwave irradiation. The (E)-
diastereoselectivity of the monoadducts falls in the range of 84–90%. There was no need to use any catalyst.
Keywords: Alkyl phenylpropiolate, dialkyl phosphite, addition, microwave.
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