SYNTHESIS AND METAL COMPLEXATION REACTIONS OF BIS-DIOXOCYCLAMS FROM PHOTOCHEMICAL-REACTION OF BIS-CHROMIUM ALKOXYCARBENE COMPLEXES WITH IMIDAZOLINES

被引：38

作者：

DUMAS, S ^{[1
]}

LASTRA, E ^{[1
]}

HEGEDUS, LS ^{[1
]}

机构：

[1] COLORADO STATE UNIV,DEPT CHEM,FT COLLINS,CO 80523

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 1995年 / 117卷 / 12期

关键词：

D O I：

10.1021/ja00117a007

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Bis-chromium alkoxycarbene complexes, bridged via the alkoxy groups, underwent photochemical cycloaddition to protected imidazolines to give protected bis-azapenams. Deprotection followed by treatment with acid produced bis-dioxocyclams bridged top and bottom with four-, five-, six-, and twelve-atom alpha,omega-diol linkages. These bis-dioxocyclam ligands formed mono- and bis-nickel(II) complexes. The five-atom bridged system (-O(CH2)(3)O-) was characterized by X-ray crystallography and had a number of unusual features.

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页码：3368 / 3379

页数：12

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