A simple method for calculating enantiomer ratio and equilibrium constants in biocatalytic resolutions

被引:9
作者
Anthonsen, HW [1 ]
Hoff, BH [1 ]
Anthonsen, T [1 ]
机构
[1] SINTEF,UNIMED,MR CTR,N-7030 TRONDHEIM,NORWAY
关键词
D O I
10.1016/0957-4166(95)00398-3
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A computer programme for determination of equilibrium constant (K) and enantiomer ratio (E) in biocatalytic resolutions has been developed. The programme utilises experimental data, ee(s) and ee(p) measured at more than one conversion, and determines both K and E no matter whether the reaction is irreversible (K=0) or reversible (K>0). An estimation of errors in the calculations indicates that errors in E does not show a Gaussian distribution, while errors in K does. The usefulness of the programme has been tested in a lipase-catalysed transesterification of 1-phenoxy-2-propanol at various concentrations of acyl donor, with different solvents and at different water activities.
引用
收藏
页码:3015 / 3022
页数:8
相关论文
共 10 条
[1]   WATER ACTIVITY DOES NOT INFLUENCE THE ENANTIOSELECTIVITY OF LIPASE PS AND LIPOPROTEIN-LIPASE IN ORGANIC-SOLVENTS [J].
BOVARA, R ;
CARREA, G ;
OTTOLINA, G ;
RIVA, S .
BIOTECHNOLOGY LETTERS, 1993, 15 (02) :169-174
[2]   QUANTITATIVE-ANALYSES OF BIOCHEMICAL KINETIC RESOLUTION OF ENANTIOMERS .2. ENZYME-CATALYZED ESTERIFICATIONS IN WATER ORGANIC-SOLVENT BIPHASIC SYSTEMS [J].
CHEN, CS ;
WU, SH ;
GIRDAUKAS, G ;
SIH, CJ .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1987, 109 (09) :2812-2817
[3]   QUANTITATIVE-ANALYSES OF BIOCHEMICAL KINETIC RESOLUTIONS OF ENANTIOMERS [J].
CHEN, CS ;
FUJIMOTO, Y ;
GIRDAUKAS, G ;
SIH, CJ .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1982, 104 (25) :7294-7299
[4]   COSOLVENT ENHANCEMENT OF ENANTIOSELECTIVITY IN LIPASE-CATALYZED HYDROLYSIS OF RACEMIC ESTERS - A PROCESS FOR PRODUCTION OF HOMOCHIRAL C-3 BUILDING-BLOCKS USING LIPASE-B FROM CANDIDA-ANTARCTICA [J].
HANSEN, TV ;
WAAGEN, V ;
PARTALI, V ;
ANTHONSEN, HW ;
ANTHONSEN, T .
TETRAHEDRON-ASYMMETRY, 1995, 6 (02) :499-504
[5]   WATER ACTIVITY INFLUENCES ENANTIOSELECTIVITY IN A LIPASE-CATALYZED RESOLUTION BY ESTERIFICATION IN AN ORGANIC-SOLVENT [J].
HOGBERG, HE ;
EDLUND, H ;
BERGLUND, P ;
HEDENSTROM, E .
TETRAHEDRON-ASYMMETRY, 1993, 4 (10) :2123-2126
[6]   USE OF SALT HYDRATES TO BUFFER OPTIMAL WATER LEVEL DURING LIPASE CATALYZED SYNTHESIS IN ORGANIC MEDIA - A PRACTICAL PROCEDURE FOR ORGANIC CHEMISTS [J].
KVITTINGEN, L ;
SJURSNES, B ;
ANTHONSEN, T ;
HALLING, P .
TETRAHEDRON, 1992, 48 (13) :2793-2802
[7]  
Press W. H., 2007, NUMERICAL RECIPES
[8]  
UPPENBERG J, 1994, EU BRIDGE T LIPASE M
[9]  
VANTOL JBA, 1994, THESIS DELFT U TECHN, P32
[10]   STEREOSELECTIVITY OF BAKER YEAST REDUCTION OF 2-PROPANONES - INFLUENCE OF SUBSTITUENTS [J].
WAAGEN, V ;
PARTALI, V ;
HOLLINGSAETER, I ;
HUANG, MSS ;
ANTHONSEN, T .
ACTA CHEMICA SCANDINAVICA, 1994, 48 (06) :506-510