Stereoselective Synthesis of <scp>d</scp>-Desosamine and Related Glycals via Tungsten-Catalyzed Alkynol Cycloisomerization
作者:Mary H. Davidson、Frank E. McDonald
DOI:10.1021/ol049630m
日期:2004.5.1
Stereoselective synthesis of d-desosamine diacetate ester (iii, R = Ac) was achieved from the glycal (ii). generated by tungsten carbonyl-catalyzed cycloisomerization of the corresponding amino-alkynol (i). A wide variety of N-substituents (R, R') are compatible with the cycloisomerization, provided that at least one R or R' is an acyl derivative.
从糖基(ii)实现立体选择性合成d-去糖胺二乙酸酯(iii,R = Ac)。通过羰基钨催化的相应氨基炔醇(i)的环异构化反应生成。前提条件是,至少一个R或R'是酰基衍生物,各种各样的N-取代基(R,R')与环异构化相容。