Synthesis of (-)-tabtoxinine-β-lactam and its (3R)-isomer, the cause of tobacco wildfire disease, was achieved from l-serine using a zinc-mediated coupling reaction, Sharpless asymmetric dihydroxylation and lactamization of β-mesyloxy benzylhydroxamate amide as the key steps.
以 l-
丝氨酸为原料,通过
锌介导的偶联反应、Sharpless 不对称二羟基化反应和 δ-甲酰
氧基
苄基羟
酰胺内
酰胺化反应等关键步骤,合成了烟草野火病的致病物 (-)-tabtoxinine δ-内
酰胺及其 (3R) 异构体。