Processes for the preparation of pyrrolidones (7 and 8) and pyrrolidines (9 and 10) from tri-O-acetyl-D-erythro-4-pentulosonic acid esters are described. The compounds are aza sugar analogs of D-ribofuranoside and are intermediates to drugs which regulate nucleoside and nucleic acid synthesis.
本文描述了从三-O-乙酰-D-erythro-4-戊糖酸酯制备
吡咯烷酮(7和8)和
吡咯烷(9和10)的过程。这些化合物是
D-核糖呋喃苷的氮杂
糖类似物,是调节核苷酸和核酸合成的药物的中间体。