The design of efficient and selective routes to pyridyl analogues of 2,3-dihydro-1,4-benzodioxin-6-carbaldehyde

被引:11
作者
Barfoot, Christopher W. [1 ]
Brown, Pamela [1 ]
Dabbs, Steven [1 ]
Davies, David T. [1 ]
Hennessy, Alan J. [1 ]
Miles, Timothy J. [1 ]
Pearson, Neil D. [2 ]
机构
[1] GlaxoSmithKline Inc, Infect Dis CEDD, Antibacterial Discovery Performance Unit, Stevenage SG1 2NY, Herts, England
[2] GlaxoSmithKline Inc, Infect Dis CEDD, Antibacterial Discovery Performance Unit, Collegeville, PA 19426 USA
关键词
CYCLIZATION;
D O I
10.1016/j.tetlet.2010.07.099
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
This Letter describes the synthetic routes to challenging pyridyl analogues of 2,3-dihydro-1,4-benzodioxin-6-carbaldehyde which were key intermediates for our antibacterial medicinal chemistry programme. All routes described started from kojic acid (8) and have been used to give multigram quantities of each aldehyde. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:5038 / 5040
页数:3
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