Use of acylphosphonates for the synthesis of α-chlorinated carboxylic and α,α′-dichloro dicarboxylic acids and their derivatives
摘要:
alpha -Chloro acylphosphonates and alpha,alpha'-dichloro bisacylphosphonates were prepared in situ by chlorination of acylphosphonates and bisacylphosphonates, respectively, using sulfuryl chloride. Subsequently, they were cleaved to the corresponding alpha -chlorinated or alpha,alpha'-dichlorinated (di)carboxylic acids with a hydrogen peroxide-sodium bicarbonate system. Performing the cleavage with an alcohol or an amine yielded the corresponding alpha -chlorinated esters and alpha -chlorinated amides, respectively. (C) 2001 Elsevier Science Ltd. All rights reserved.
In Vitro and In Vivo Anticalcification Effects of Novel Bishydroxyiminophosphonates
作者:Gershon Golomb、Ada Schlossman、Yael Eitan、Hanan Saadeh、Joel M. Van Gelder、Eli Breuer
DOI:10.1002/jps.2600811009
日期:1992.10
important bone- and/or calcium-related diseases; however, side effects and lack of selectivity impede their wide use. This work reports the synthesis and evaluation of bishydroxyiminophosphonates (e.g., adipoyl- and suberoylbisphosphonate dioximes). These compounds significantly inhibited hydroxyapatite formation and dissolution in vitro and the calcification of bioprosthetic tissue implanted subdermally
SYNTHÈSE ET ÉTUDE STRUCTURALE D′ACIDES DIHYDROXYTÉTRAPHOSPHONIQUES ET DE SELS DE CES ACIDES. 1: SEL DE CUIVRE DE L′ACIDE 1,6-DIHYDROXYHEXYLIDENE-1,1,6,6-TÉTRAPHOSPHONIQUE (DHHTP)
作者:Habib Khadraoui、Driss El Manouni、Yves Leroux、Alain Neuman、Hélène Gillier、Thierry Prangé、Jean-Paul Silvestre、Nguyen Quy Dao
DOI:10.1080/10426509608046423
日期:1996.7.1
The synthesis of 1,6-bishydroxyhexylidene-1,1,6,6-tetraphosphonic acid (DHHTP, 5) and its copper complex is described. The structure of the copper complex has been determined by X-ray analysis.
US5338731A
申请人:——
公开号:US5338731A
公开(公告)日:1994-08-16
Use of acylphosphonates for the synthesis of α-chlorinated carboxylic and α,α′-dichloro dicarboxylic acids and their derivatives
作者:Christian V Stevens、Bart Vanderhoydonck
DOI:10.1016/s0040-4020(01)00407-0
日期:2001.5
alpha -Chloro acylphosphonates and alpha,alpha'-dichloro bisacylphosphonates were prepared in situ by chlorination of acylphosphonates and bisacylphosphonates, respectively, using sulfuryl chloride. Subsequently, they were cleaved to the corresponding alpha -chlorinated or alpha,alpha'-dichlorinated (di)carboxylic acids with a hydrogen peroxide-sodium bicarbonate system. Performing the cleavage with an alcohol or an amine yielded the corresponding alpha -chlorinated esters and alpha -chlorinated amides, respectively. (C) 2001 Elsevier Science Ltd. All rights reserved.
Kanaan, Marwan; Burgada, Ramon, Phosphorus and Sulfur and the Related Elements, 1988, vol. 37, p. 217 - 230