Synthesis of N-benzoylamino-1,2,3,6-tetrahydropyridine derivatives as potential anti-inflammatory agents
作者:Bereket Mochona、Kinfe K. Redda
DOI:10.1002/jhet.5570440622
日期:2007.11
prepare intermediate N-aminopyridinium mesylates using mesytelenesulfonyl hydroxmate (MSH) as aminating agent. N-aminopyridinium mestylates reacted with appropriately substituted acyl chlorides to form N-ylides as stable crystalline solids. Partial reduction of N-ylides with mild reducing agent afforded N-benzoylamino-1,2,3,6-tetrahydropyridines in fair to good yields.
N-苯甲酰基氨基-1,2,3,6-四氢吡啶9a-q由4个取代的吡啶合成。使用间苯二甲磺酰基异羟肟酸酯(MSH)作为胺化剂,进行吡啶的胺化以制备中间体N-氨基吡啶基甲磺酸盐。N-氨基吡啶甲磺酸盐与适当取代的酰氯反应生成N-酰化物,为稳定的结晶固体。用温和的还原剂部分还原N-烷基化物,以公平至良好的收率得到N-苯甲酰基氨基-1,2,3,6-四氢吡啶。