STABILIZATION OF THE CYCLOPROPENUM AND CYCLOPROPENONE RING-SYSTEMS BY FERROCENE - C-13 NUCLEAR MAGNETIC-RESONANCE STUDY

被引:19
作者
AGRANAT, I
AHARONSHALOM, E
FRY, AJ
KRIEGER, RL
KRUG, WO
机构
[1] WESLEYAN UNIV,HALL ATWATER LABS CHEM,MIDDLETOWN,CT 06457
[2] JOHNS HOPKINS UNIV,DEPT CHEM,BALTIMORE,MD 21218
关键词
D O I
10.1016/0040-4020(79)80088-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The 13C NMR spectra of diferocenylcyclopropenone (1) and the triferrocenylcyclopropenium (2) and ferrocenyldiphenylcyclopropenium (3) cations in non-acidic media are analyzed with special reference to the information they afford concerning charge distribution in these species. A delocalization of the positive charge into the remote unsubstituted five-membered rings of 2 and 3 is indicated. The role of the metal as a conduit for this effect is suggested. © 1979.
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收藏
页码:733 / 740
页数:8
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