RSC Advances, ( ISI ), Volume (4), No (4), Year (2014-8) , Pages (37900-37907)

Title : ( A facile access to highly functionalized triphenylphosphoranylidene succinimides through a three-component reaction and DFT investigation on the reaction mechanism )

Authors: Abbas Ali Esmaeili , Hanieh Khoddam-Mohammadi , Abbas Moradi , Ehsan Davamdar , Mohammad Izadyar , Mohammad Khavani , Mohammad Reza Islami ,
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Abstract

Novel, one-pot, three-component reaction of the zwitterions generated in situ from triphenylphosphine and acetylenic esters with aroyl isocynate is described. The reaction afforded N-benzoyl-2-triphenylphosphoranylidene succinimide derivatives in good to high yields without using any catalyst or activation. Structural, electronic, energetic and mechanistic details of the reaction are also revealed by density functional theory (DFT) calculations, which strongly support the exclusive formation of the products.

Keywords

, Benzoylisocyanates, Triphenyphosphine, N-Benzoylsuccinimides, Succinimides, Dialkyl acetylenedicarboxylate, Mechanism, DFT