α-Selective Allylation of Azo Compounds Using Allylic Barium Reagents

被引:12
|
作者
Yanagisawa, Akira [1 ]
Jitsukawa, Takuya [1 ]
Yoshida, Kazuhiro [1 ]
机构
[1] Chiba Univ, Dept Chem, Grad Sch Sci, Inage Ku, Chiba 2638522, Japan
关键词
allylation; allylic amines; azo compounds; barium; hydrazine; BARBIER-TYPE ALKYLATION; CARBONYL-COMPOUNDS; ORGANOMETALLIC REAGENTS; METALLIC STRONTIUM; HALIDES; ALLYLBARIUM;
D O I
10.1055/s-0032-1318306
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The addition of allylic barium reagents to azo compounds was achieved with high alpha-regioselectivity. The double-bond geometry of allylic barium reagents was retained throughout the reaction at -78 degrees C and E- or Z-enriched allylic hydrazines were selectively obtained from the corresponding allylic barium reagents. An allylic hydrazine was efficiently converted into an allylic amine by reductive N-N bond cleavage.
引用
收藏
页码:635 / 639
页数:5
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