PREPARATION AND CHARACTERIZATION OF 1-VANADO-11-MOLYBDOPHOSPHORIC ACID AND ITS ALKALINE-SALTS

被引:13
作者
RABIA, C
BETTAHAR, MM
LAUNAY, S
HERVE, G
FOURNIER, M
机构
[1] UPMC,CHIM MET TRANSIT LAB,CNRS,URA 419,F-75252 PARIS 05,FRANCE
[2] USTHB,INST CHIM,CHIM GAZ NAT LAB,ALGIERS,ALGERIA
[3] UPMC,CRISTALLOCHIM SOLIDE LAB,CNRS,URA 1388,F-75252 PARIS 05,FRANCE
关键词
D O I
10.1051/jcp/1995921442
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The 1-vanado-11-molybdophosphoric acid and its related alkaline salts are very efficient in the oxydehydrogenation of isobutyric acid into methacrylic acid. However, their stereospecific synthesis and their identification are still in discussion. This prompted us to work out a selective method of synthesis of the acid parent and its salts as weil as appropriate methods for their identification. The characterization have been carried out by IR spectroscopy and XRD hi the solid state, and by protometric titrations, polarography, UV spectroscopy and P-31 and V-51 NMR in solution.
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收藏
页码:1442 / 1456
页数:15
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