A four-step route to phenylalanines substituted on the aryl moiety is reported starting from aromatic aldehydes. Some novel methyl 2-nitro-3-arylpropionates have been isolated as intermediates in the synthesis and are described.
从芳香醛出发,报道了一条在芳基部分进行取代的苯丙
氨酸的四步合成路线。在合成过程中,一些新的甲基2-硝基-3-芳基
丙酸酯中间体被分离出来,并进行了描述。