The Synthesis of Cyclic α-Amino Acids. I
作者:Sumio Umezawa、Mitsuhiro Kinoshita、Hiroaki Yanagisawa
DOI:10.1246/bcsj.40.209
日期:1967.1
β-unsaturated α-nitroesters with dienes produced cyclic α-nitroesters. In all cases, a mixture of diastereoisomers was obtained. Catalytic hydrogenation, followed by hydrolysis, gave a number of cyclic α-amino acids which are closely related to natural terpenes. The NMR spectra of some of these compounds were useful in making structural assignments.
α, β-不饱和α-硝基酯与二烯反应生成环状α-硝基酯。在所有情况下,都获得了非对映异构体的混合物。催化加氢,然后水解,得到许多与天然萜烯密切相关的环状α-氨基酸。其中一些化合物的 NMR 光谱可用于进行结构分配。