Phosphorus, Sulfur and Silicon and the Related Elements p. 229 - 233 (1997)
Update date:2022-07-29
Topics:
Yavari, Issa
Islami, Mohammad Reza
Protonation of the reactive 1:1 intermediates produced in the reaction between triphenylphosphine and dialkyl acetylenedicarboxylates by 1,3-diphenylpropane-1,3-dione leads to vinylphosphonium salts, which undergo Michael addition with the conjugate base of the CH-acid to produce highly functionalized salt-free phosphorus ylides in excellent yields.
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