ALKYLIRON AND ALKYLCOBALT REAGENTS .4. ALDEHYDE-SELECTIVE CYANOALKYLATION WITH CYANOALKYL DERIVATIVES OF IRON(II) AND OTHER TRANSITION-METALS

被引:26
作者
KAUFFMANN, T
KIEPER, H
PIEPER, H
机构
[1] Organisch-Chemisches Institut, Universität Münster, Munster, W-4400
来源
CHEMISCHE BERICHTE-RECUEIL | 1992年 / 125卷 / 04期
关键词
ORGANOIRON COMPOUNDS; IRON(II) ALKYLS; CYANOALKYLATION;
D O I
10.1002/cber.19921250422
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
For the transfer of the cyanomethyl residue with high aldehyde vs. ketone selectivity, the Fe reagent 3a is a good alternative to the known Ti reagent 1 a[2], whereas analogous reagents with the metals Mn, Co, Ni or Cu are unfavorable. For the aldehyde- vs. ketone-selective transfer of the branched residues 1-cyanoethyl and cyanoisopropyl, the Fe reagents 3b and 3c are distinctly better than the Ti reagents 1b and 1c.
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页码:899 / 905
页数:7
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