Enantioselective ring cleavage of dioxane acetals mediated by a chiral Lewis acid:: Application to asymmetric desymmetrization of meso-1,3-diols

被引:15
作者
Harada, T [1 ]
Sekiguchi, K [1 ]
Nakamura, T [1 ]
Suzuki, J [1 ]
Oku, A [1 ]
机构
[1] Kyoto Inst Technol, Dept Chem, Sakyo Ku, Kyoto 6068585, Japan
关键词
D O I
10.1021/ol0165286
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
[GRAPHICS] Phenylalanine-derived B-aryl-N-tosyloxazaborolidinones selectively activate one of two enantiotopic oxygen atoms in prochiral anti dioxane acetals derived from meso-1,3-diols, leading to enantioselective formation of ring-cleavage products. The reaction is utilized as a key step in asymmetric desymmetrization of meso-1,3-diols.
引用
收藏
页码:3309 / 3312
页数:4
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