2-氯喹啉基-3-甲醛的BH乙酸的无碱胺化:合成N-取代-1,2-二氢苯并[ b ] [1,8]萘啶的简便方法
摘要:
从2-氯-3-甲酰基喹啉的BH乙酸酯和活化的烯烃,然后用不同的胺进行乙酰化,可以有效地无锅一锅法合成1,2-二氢苯并[ b ] [1,8]萘啶。这些反应可在很短的时间内完成,并以良好的收率提供了良好的产品。我们进一步探索了具有碳亲核试剂的BH乙酸酯的范围,为在温和条件下以优异的收率合成a啶衍生物提供了一条新途径。
A Novel Procedure for the Synthesis of Benzo[b][1,8]naphthyridine-3-carboxylate Derivatives from Morita-Baylis-Hillman Adduct Acetates
作者:Weike Su、Weihui Zhong、Fuliang Lin、Ren’er Chen
DOI:10.1055/s-0029-1216853
日期:2009.7
8]naphthyridine-3-carboxylate derivatives from the reaction of Morita-Baylis-Hillman adductacetates with primary amines, ammonium acetate or benzenesulfonamides. The approach, which involves readily available starting materials and mild reaction conditions, gives excellent yields after a convenient workup procedure. benzo[b][1,8]naphthyridine-3-carboxylate - Morita-Baylis-Hillman adductacetates - primary amines
从Morita-Baylis-Hillman加成乙酸酯与伯胺,乙酸铵或苯磺酰胺的反应中,设计了一种新颖的方法来制备苯并[ b ] [1,8]萘啶-3-羧酸酯衍生物。该方法涉及容易获得的起始原料和温和的反应条件,在方便的后处理步骤后可获得优异的产率。 苯并[ b ] [1,8]萘啶-3-羧酸盐-Morita-Baylis-Hillman加合物乙酸盐-伯胺-乙酸铵-苯磺酰胺