Coogan, Michael P.; Harger, Martin J. P. published the artcile< Nucleophilic substitution in benzylic thiophosphinyl and thiophosphonyl chlorides: the contribution of elimination-addition pathways with methylenethioxophosphorane (thiophosphene) intermediates>, Category: esters-buliding-blocks, the main research area is thiophosphinyl thiophosphonyl chloride benzylic nucleophilic substitution; methylenethioxophosphorane intermediate elimination addition pathway; thiophosphene intermediate elimination addition pathway.
For the reactions of ArCH2P(S)(Ph)Cl and ArCH2P(S)(NMe2)Cl with Et2NH, changing ArCH2 from benzyl to 4-nitrobenzyl increases the rates of substitution by factors of 80 and >103, resp., and reduces markedly the ability to discriminate between competing Et2NH and Me2NH nucleophiles. With Et2ND, the nitrobenzyl substrates give products that contain D in the benzylic methylene group. These observations point to substitution by elimination-addition, with a 3-coordinate methylenethioxophosphorane (thiophosphene) intermediate, for the nitrobenzyl compounds
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999) published new progress about Elimination reaction. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Category: esters-buliding-blocks.
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