In alternative embodiments the invention provides methods for synthesizing AB-007 (also called loxistatin, E64d, EST or ((2S,3S)-trans-epoxysuccinyl-L-leucyl-amido-3-methylbutane ethyl ester) and its acid form E64c (loxistatin acid), and various synthetic intermediates, and deuterated forms of these compounds, and stereoisomers thereof. In alternative embodiments the invention provides a tosylate salt of AB-007-4 or a tosylate salt of L-leucine isoamylamine, or equivalents thereof. A synthetic scheme of the invention provides kilogram quantities of AB-007 manufactured according to current good manufacturing practices (cGMP's), consistent with US FDA requirements for human use. In alternative embodiments the invention provides a tosylate salt of AB-007-4 or a tosylate salt of L-leucine isoamylamine, or equivalents thereof.
在另一种实施方式中,本发明提供了合成AB-007(也称为loxiSTatin,E64d,EST或((2S,3S)-trans-epoxysuccinyl-L-leucyl-amido-3-methylbutane ethyl eSTer)及其酸形式E64c(loxiSTatin acid)的方法,以及各种合成中间体,和这些化合物的
氘代形式和立体异构体。在另一种实施方式中,本发明提供AB-007-4的tosylate盐或
L-亮氨酸异戊胺盐酸盐,或其等效物。本发明的合成方案提供了按照当前良好制造规范(cGMP's)制造的AB-007的千克级数量,符合美国FDA对人类使用的要求。在另一种实施方式中,本发明提供AB-007-4的tosylate盐或
L-亮氨酸异戊胺盐酸盐,或其等效物。