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.
P-手性四配位磷硼烷化合物和P-手性三配位磷化合物的立体选择性制备过程。
3-(Alkynylalkyloxy) Cephalosporins
申请人:ELI LILLY AND COMPANY
公开号:EP0168222A2
公开(公告)日:1986-01-15
3-(Alkynylelkyloxy)cephalosporin antibiotics and the intermediates therefor are disclosed. Pharmaceutical compositions for the antibiotics are also disclosed.
本研究公开了 3-(烷基炔基氧基)头孢菌素类抗生素及其中间体。还公开了这些抗生素的药物组合物。
Radcliffe; Brindley, Chemistry and industry, 1923, p. 66