Résumé A series of 2-amino-3-cyanopyridines were obtained from aryl aldehydes, substituted acetophenones, malononitrile and ammonium acetate in good to excellent yields by proceeding through a simple, mild and efficient procedure utilizing N,N,N′,N′-tetrabromobenzene-1,3-disulfonamide [TBBDA] and poly(N-bromo-N-ethylbenzene-1,3-disulfonamide) [PBBS] as catalysts. Supplementary Materials: Supplementary material for this article is supplied as a separate file: mmc1.docx
摘要
一系列2-
氨基-3-
氰基吡啶通过简单、温和和高效的程序,从芳香醛、取代的
乙酰苯酮、马来腈和
醋酸铵合成,产率良好到优秀。该过程以N,N,N′,N′-四
溴苯-1,3-二磺酰胺(T
BBDA)和聚(N-
溴-N-
乙基苯-1,3-二磺酰胺)(PBBS)作为催化剂。
补充材料:
本文章的补充材料作为单独文件提供:
mmc1.docx