OPTICALLY ACTIVE BIPYRIDINE;
BUILDING BLOCK;
CAGE COMPOUND;
HELICAND;
D O I:
10.1016/S0040-4039(00)79123-4
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Short and efficient syntheses of two new optically active bipyridines have been accomplished using alpha-pinene as source of chirality. The new bipyridines allow easy access to chiral helicating and caging ligands of sterically well defined shapes and properties.