Acid-catalyzed rearrangement of epoxy alcohol derivatives having the electron-withdrawing protective groups (acyl or sulfonyl): Asymmetric synthesis of chiral quaternary carbon and spiro centers and its application to natural products synthesis

被引:10
作者
Fujioka, H [1 ]
Yoshida, Y [1 ]
Kita, Y [1 ]
机构
[1] Osaka Univ, Grad Sch Pharmaceut Sci, Suita, Osaka 5650871, Japan
关键词
rearrangement; epoxy acylate; epoxy sulfonate; asymmetric synthesis; chiral quaternary carbon; chiral spiro center; fredericamycin A; (+)-(S)-sporochnol A; (-)-aphanorphine; (-)-alpha-herbertenol;
D O I
10.5059/yukigoseikyokaishi.61.133
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Rearrangements of 1, 2-epoxy alcohol derivatives having electron-withdrawing protective groups such as acyl or sulfonyl group have been developed leading to the asymmetric construction of chiral quaternary carbon centers and spiro centers. The success of the novel rearrangements here depends on the electron-withdrawing property of the protective groups. The methods were applied to the asymmetric syntheses of several natural products such as fredericamycin A, (+)-(S)-sporochnol A, (-)-aphanorphine, and (-)-alpha-herbertenol.
引用
收藏
页码:133 / 143
页数:11
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