The invention discloses a process for preparation of (dl)-norepinephrine salt by reacting 3,4-dihydroxy-a-haloacetophenone with hexamethylenetetramine to provide hexamine salt; followed by hydrolysis and hydrogenation. The invention also discloses a novel intermediate formed in the process and its synthesis.
该发明揭示了一种制备(dl)-
去甲肾上腺素盐的方法,通过将3,4-二羟基-α-卤代
乙酰苯酮与
六亚甲基四胺反应以提供
六胺盐;随后进行
水解和氢化。该发明还揭示了该过程中形成的一种新型中间体及其合成方法。