反应详情

The procedure of Example 8 was followed except that the concentration of DL-carnitine chloride for the F-2 stage was 50 g/l, which consisted of 8 parts of L-carnitine chloride and 2 parts of D-carnitine chloride. L-carnitine inner salt was isolated as before from 50 ml of the fermentation mixture (F-2 stage, 69 hours) [1.216 g (75% yield, [α]D25 -30.4°, c=2.8, H2O].