A novel synthesis of unsymmetrical tertiary phosphines: selective nucleophilic substitution on phosphorus(III)
作者:Sumita Singh、Kenneth M. Nicholas
DOI:10.1039/a706428d
日期:——
A new synthesis of unsymmetrical tertiary phosphines has been developed employing selective, sequential alkylation of chloroaminophosphines by Grignard and organolithium reagents.
[EN] PROCESSES FOR THE STEREOSELECTIVE PREPARATION OF P-CHIRAL FOUR -COORDINATED PHOSPHORUS BORANE COMPOUNDS AND P-CHIRAL THREE-COORDINATED PHOSPHORUS COMPOUNDS<br/>[FR] PROCÉDÉS POUR LA PRÉPARATION STÉRÉOSÉLECTIVE DE COMPOSÉS DE BORANE DE PHOSPHORE À QUATRE COORDINATIONS P-CHIRAUX ET DE COMPOSÉS PHOSPHORÉS À TROIS COORDINATIONS P CHIRAUX
申请人:UNIV DUBLIN
公开号:WO2012113889A1
公开(公告)日:2012-08-30
Processes for the stereoselective preparation of P-chiral four-coordinated phosphorus borane compounds and P-chiral three-coordinated phosphorus compounds.
3-(Alkynylelkyloxy)cephalosporin antibiotics and the intermediates therefor are disclosed. Pharmaceutical compositions for the antibiotics are also disclosed.