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1.本文叙述以邻-硝基乙苯为原料、合成4-脱氧吡哆醇,后者是一种常用的维生素B_6的对抗剂。 2.2,4-二甲基-3-乙氧基喹啉盐酸盐(Ⅳ)的苯环上不引入氨基,直接氧化,也可得到2,4-二甲基-3-乙氧基吡啶-5,6-二羧酸(Ⅶ)。
1. This paper describes the o-nitrobenzene as the raw material, synthesis of 4 - deoxy pyridoxine, which is a commonly used vitamin B_6 antagonist. 2.2,4-dimethyl-3-ethoxyquinoline hydrochloride (IV) without introduction of amino groups on the benzene ring, direct oxidation can also be 2,4-dimethyl-3-ethoxypyridine - 5,6-dicarboxylic acid (VII).