A new and concise synthesis of 3-deoxy-D-arabino-2-heptulopyranosonic acid (DAH) and derivatives through the radical chemistry of Barton esters

被引:16
作者
Barton, DHR [1 ]
Liu, WS [1 ]
机构
[1] TEXAS A&M UNIV,DEPT CHEM,COLLEGE STN,TX 77843
关键词
D O I
10.1016/S0040-4039(96)02331-3
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Barton ester-based radical chemistry was applied in the synthesis of 3-deoxy-D-orobino-2-heptulopyranosonic acid (DAH) from commercial D-ribonolactone, The radical reaction with olefin 2, followed by aqueous work-up, provided the seven-carbon sugar compounds 5 and 6 (3:1) in 60% yield. Removal of the isopropylidene groups from 5 and hydrolysis of the ethyl ester yielded the DAH barium salt quantitatively. Copyright (C) 1996 Elsevier Science Ltd
引用
收藏
页码:367 / 370
页数:4
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