Synthesis and complexation properties of poly(ethylene glycol)-linked mono- and bis-dioxocyclams

被引:33
作者
Puntener, K [1 ]
Hellman, MD [1 ]
Kuester, E [1 ]
Hegedus, LS [1 ]
机构
[1] Colorado State Univ, Dept Chem, Ft Collins, CO 80523 USA
关键词
D O I
10.1021/jo001095q
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Both tri- and tetra(ethylene glycol) linked bis-chromium carbene complexes have been synthesized. These carbene complexes were photolyzed with N-protected imidazolines to give protected azapenams. These were transformed into polyether-linked basket dioxacyclams 4a,b and bis-dioxocyclams 5a,b. These compounds have-cavities for the complexation of both "hard" and "soft" metal ions.;The complexes of Ni, Ba, and Gd were synthesized.
引用
收藏
页码:8301 / 8306
页数:6
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