氨基酸席夫碱提纯？ 继续求好心人建议 你是什么氨基酸底物？用苯甲醛保护lys或orn的末端氨基是很容易的。产率很高的。下面是我以前做过的一个反应。 to a chilled solution of l-ornithine monohydrochloride (8.43g, 50 mmol) in 2n lioh (25 ml), benzaldehyde (5.3 ml) was added. a whiteprecipitate gradually formed. after 0.5 h, the mixture was put in fridgeovernight. the white paste was filtered off to affordn(e)-benzylidene-l-ornithine as a white solid (nearly quantitative yield, used without purification). 查看更多
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