Regioselective introduction of 2-propynyl groups into the C-2 or C-3 position of furanoside ring

被引：3

作者：

Kubota, D ^{[1
]}

Mitsunobu, O ^{[1
]}

机构：

[1] AOYAMA GAKUIN UNIV, COLL SCI & ENGN, DEPT CHEM, SETAGAYA KU, TOKYO 157, JAPAN

来源：

CHEMISTRY LETTERS | 1997年 / 06期

关键词：

D O I：

10.1246/cl.1997.517

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The reaction of methyl 2,3-anhydro-alpha-D-ribofuranoside or methyl 2,3-anhydro-5,6-O-cyclohexylidene-alpha-D-allofuranoside with 2-propynyl metallic reagents exclusively gave the corresponding 2-C-(2-propynyl)-arabino-pentofuranosides and 2-C-(2-propynyl)-altro-hexofuranosides, respectively. In contrast, the beta-anomers were selectively attacked at the position 3 to afford the corresponding 3-C-(2-propynyl)furanosides.

引用

页码：517 / 518

页数：2

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