N-alkyl-4-boronopyridinium salts as thermally stable and reusable amide condensation catalysts
N-alkyl-4-boronopyridinium salts as thermally stable and reusable amide condensation catalysts
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DOI：
10.1021/ol052060l
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发表时间：
2005-10-27
期刊：
影响因子：
5.2
通讯作者：
Yamamoto, H
中科院分区：
文献类型：
--
作者：
Maki, T;Ishihara, K;Yamamoto, H
[图解]N-烷基-4-硼-吡啶盐是高效和可重复使用的催化剂，用于羧酸和胺的等摩尔混合物之间的脱水酰胺缩合反应。N-烷基硼-2-吡啶盐的热稳定顺序为N-烷基-2-硼-吡啶盐
[GRAPHICS]N-Alkyl-4-boronopyridinium salts are highly effective and reusable catalysts for the dehydrative amide condensation reaction between equimolar mixtures of carboxylic acids and amines. N-Alkylboronopyridinium salts are thermally stabilized in the order N-alkyl-2-boronopyridinium salt