申请人:Yissum Research Development Company of the Hebrew University of Jerusalem
公开号:US07101864B1
公开(公告)日:2006-09-05
The present invention relates to compositions useful for treating or controlling disease states or conditions associated with zinc containing proteinases, especially metalloproteinases. The active ingredient in these compositions is an alpha-oxo- or alpha-thixophosphpnate of formula (I). Out of the phosphonates of formula (I), some are known and others are new. The novel compounds constitute another aspect of the invention.
Electrochemically driven P–H oxidation and functionalization: synthesis of carbamoylphosphonates from phosphoramides and alcohols
作者:Qiu-Li Wu、Xing-Guo Chen、Cong-De Huo、Xi-Cun Wang、Zheng-Jun Quan
DOI:10.1039/c8nj05739g
日期:——
An electrochemical method to achieve carbamoylphosphonates from phosphoramides and alcohols via P–H oxidation and functionalization by using n-Bu4NI as a catalyst is reported. A series of carbamoylphosphonates were obtained with good to excellent yields under mild reaction conditions. The electrochemical reaction is carried out under constant current electrolysis, with the alcohol being used as a solvent
The present invention relates to compositions useful for treating or controlling disease states or conditions associated with zinc containing proteinases, especially metalloproteinases. The active ingredient in these compositions is an alpha-oxo- or alpha-thioxophosphonate of formula (I). Out of the phosphonates of formula (I), some are known and others are new. The novel compounds constitute another aspect of the invention.
Matrix metalloproteinases (MMPs) are a family of over twenty zinc-dependent enzymes that hydrolyze connective tissue and are involved in a variety of diseases, which are associated with undesired tissue breakdown. Previously we described the synthesis of a series of achiral alkyl and cycloalkylcarbamoylphosphonic acids and their biological evaluation. Herein we report the effect of chirality and geometrical isomerism on the potency and selectivity of inhibition. The inhibitory potencies of pairs of enantiomeric and stereoisomeric alkyl and cycloalkylcarbamoylphosphonic acids were evaluated on recombinant MMP-1, MMP-2, MMP-3. MMP-8, and MMP-9 enzymes. The results show that the enantiomers and stereoisomers studied differ considerably in their inhibitory potencies and selectivities on the enzyme subtypes studied. Such a result is consistent with the assumption that the carbamoylphosphonates interact with a chiral environment such as an enzyme. (C) 2004 Elsevier Ltd. All rights reserved.