Palladium-Catalyzed C(sp2)–H Pyridocarbonylation of N-Aryl-2-aminopyridines: Dual Function of the Pyridyl Moiety
摘要:
An efficient synthesis of 11H-pyrido[2,1-b]-quinazolin-11-one through palladium-catalyzed C(sp(2))-H pyridocarbonylation of N-aryl-2-aminopyridines has been developed. The pyridyl group acts as an intramolecular nucleophile for the first time in C-H carbonylation reactions.
Copper-Mediated Tandem C(<i>sp</i>
<sup>2</sup>
)-H Amination and Annulation of Arenes with 2-Aminopyridines: Synthesis of Pyrido-fused Quinazolinone Derivatives
作者:Jidan Liu、Jinhui Zou、Jiawei Yao、Guoshu Chen
DOI:10.1002/adsc.201701286
日期:2018.2.15
An efficient and convenient copper‐mediated tandem C(sp2)‐H amination and annulation of arenes with 2‐aminopyridines to provide 11H‐pyrido[2,1‐b]quinazolin‐11‐ones has been developed. A variety of benzamides and 2‐aminopyridines bearing different substituents are compatible with this transformation
开发了一种高效便捷的铜介导的串联C(sp 2)-H胺化和芳烃与2-氨基吡啶的环化反应,以提供11个H-吡啶并[ 2,1- b ]喹唑啉-11-酮的方法。各种带有不同取代基的苯甲酰胺和2-氨基吡啶与这种转化相容