DL-erythro-sphingosine and DL-threo-sphingosine specifically labelled with 3H in positions 4 and 5 were prepared. The synthesis of these compounds was based on a modification of a procedure published by Grob and Gadient. Quantitative separation of the sphingosines from acetylenic impurities was accomplished, and the physical constants of pure DL-erythro and threo sphingosines were determined. D-erythro sphingosine was prepared by resolving the DL racemate and it was found identical to the naturally occurring product.
制备了在第 4 和第 5 位特异性标记 3H 的 DL-赤藓-
鞘氨醇和 DL-苏-
鞘氨醇。这些化合物的合成基于对 Grob 和 Gadient 发表的程序的修改。从
乙炔基杂质中定量分离出了
鞘氨醇,并测定了纯 DL-赤式
鞘氨醇和苏式
鞘氨醇的物理常数。通过分解 DL 外消旋体制备出了 D-赤藓
鞘氨醇,并发现它与
天然产物完全相同。