Amine hydrochloride 12 and β-keto thioester 16 were coupled and treated with TFA; the resulting alcohols 18 were oxidized and converted into a mixture of oximes 20, from which the major product, racemic brevioxime 1, was isolated.
盐酸胺12和β-酮
硫酯16经偶联并经TFA处理后,得到醇18,随后进行氧化反应,转化为
肟20的混合物。
肟混合物中的主要产物,外消旋短
肟1,得以分离。