The inventors disclose here a novel, facile approach to the synthesis of acetonide-protected catechol-containing compounds having at least one amine group. In specific embodiments, the invention provides novel methods of synthesizing 3,4-dihydroxyphenylalanine (H-DOPA(acetonide)-OH (6)), Fmoc-protected H-DOPA(acetonide)-OH (Fmoc-DOPA(acetonide)-OH (7)), Fmoc-protected dopamine (Fmoc-dopamine(acetonide) (10)), TFA-protected dopamine (TFA-dopamine(acetonide) (13)) and acetonide-protected 4-(2-aminoethyl)benzene-1,2-diol (acetonide-protected dopamine (14)).
发明者在这里披露了一种新颖、简便的合成含有至少一个胺基的
丙酮酸酯保护的
邻苯二酚化合物的方法。在具体实施方案中,该发明提供了合成3,4-二羟基苯丙
氨酸(H-
DOPA(acetonide)-OH (6))、Fmoc保护的H-
DOPA(acetonide)-OH (Fmoc-
DOPA(acetonide)-OH (7))、Fmoc保护的
多巴胺(Fmoc-
DOPamine(acetonide) (10))、TFA保护的
多巴胺(TFA-
DOPamine(acetonide) (13))和
丙酮酯保护的4-(2-
氨基乙基)苯1,2-二
酚(
丙酮酯保护的
多巴胺 (14))的新方法。