ASYMMETRIC [2+2]-CYCLOADDITION OF KETENE WITH ALDEHYDES CATALYZED BY CHIRAL BISSULFONAMIDE TRIALKYLALUMINUM COMPLEXES

被引:42
作者
TAMAI, Y [1 ]
YOSHIWARA, H [1 ]
SOMEYA, M [1 ]
FUKUMOTO, J [1 ]
MIYANO, S [1 ]
机构
[1] TOHOKU UNIV,FAC ENGN,DEPT BIOCHEM & ENGN,AOBA KU,SENDAI 98077,MIYAGI,JAPAN
关键词
D O I
10.1039/c39940002281
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Asymmetric [2 + 2] cycloaddition of ketene with the aldehydes 1a-g, catalysed by 10 mol% of C-2-symmetric bissulfonamide 2a-c-R(3)AI complexes afforded optically active 4-substituted oxetan-2-ones 3a-g in up to 74% enantiomeric excess.
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页码:2281 / 2282
页数:2
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