1: (R)-(+)-2-(4-hydroxyphenoxy)propionic acid With potassium carbonate in water; acetonitrile T=50 - 75°C; 3 h; 2: 3,4-difluorobenzylnitrile in water; acetonitrile T=135°C; P=3501.01 Torr; 7 h; 3: 1-bromo-butane in water; acetonitrile T=100°C; P=1742.66 Torr; 6 h; Product distribution / selectivity;

1: dipotassium R-(+)-2-(4-hydroxyphenoxy)propionate; 3,4-difluorobenzylnitrile With anhydrous tetramethylammonium chloride in acetonitrile T=120°C; P=2311.54 Torr; 7 h; 2: 1-bromo-butane in acetonitrile T=85°C; P=1173.78 Torr; 6 h; Product distribution / selectivity;

cyhalofop-butyl-hydrolyzing esterase T=37°C; pH=7.5; aq. phosphate buffer; Kinetics;