METHOD:To preprae crotonobetaine from DL carnitine by 3 dehydrated methods, then transform crotonobetaine to L carnitine by E.
方法:DL-肉堿脱水制得巴豆甜菜堿,经大肠桿菌转化形成L-肉堿。
Acetyl L carnitine was synthesized from racemic carnitine chloride and acetic acid by chemical means. The purity of the refined product was over 99% and the yield was about 96%.