Preparation of N-Boc-(2,6-bis-(ethoxycarbonyl)pyridin-4-yl)-L-alanines as tridentate ligands

被引:21
作者
Schmidt, B [1 ]
Ehlert, DK [1 ]
机构
[1] Univ Hannover, Inst Organ Chem, D-30167 Hannover, Germany
关键词
pyridine; tridentate ligand; Heck olefination; lanthanide; zinc mediated addition;
D O I
10.1016/S0040-4039(98)00711-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The pyridylalanine 7a was synthesised in good yield from serine and 4-bromopyridine 3. The pyridylpropionates 12, 13 were synthesised in good yields by either Heckolefination or palladium catalysed cross coupling. (C) 1998 Elsevier Science Ltd. Ail rights reserved.
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页码:3999 / 4002
页数:4
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