The first synthesis of the ketene dithioacetals from sugar lactones: a convenient access to 3-ulosonic acids

被引:11
作者
Mlynarski, J [1 ]
Banaszek, A [1 ]
机构
[1] Polish Acad Sci, Inst Organ Chem, PL-01224 Warsaw, Poland
关键词
homologation; ketene; thioacetals; lactones;
D O I
10.1016/S0040-4039(98)01045-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Isomeric 2-deoxy aldonolactones undergo Horner-Emmons reactions with 2-[bis(2,2,2-trifluoroethoxy)phosphoryl]1,3-dithiane, to give the corresponding ketene dithioacetals, which are the key intermediates in the synthesis of 3-deoxy-2-keto-aldonic acids. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:5425 / 5428
页数:4
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