An Efficient Synthesis of Polycyclic Heterocycles Containing Pyrazolo[3,4-f] quinoline or Benzo[h] indazolo[6,7-b][1,6] naphthyridine Under Catalyst-Free Conditions

作者：Lu Wen Qiang; Zhuang Rong; Chen Dong Sheng; Wang Xiang Shan^*

来源：Polycyclic Aromatic Compounds, 2014, 34(5): 606-619.

DOI：10.1080/10406638.2014.927774

• domino reaction
• benzoindazolonaphthyridine
• catalyst-free
• pyrazoloquinoline

A three-component Domino reaction of aromatic aldehydes, 1H-indazol-6-amine and barbituric acid or 4-hydroxyquinolin-2(1H)-one is described, and gave polycyclic heterocycles containing [1,6] naphthyridine or pyrazoloquinoline analog in high yields under catalyst-free conditions, respectively.

• 出版日期2014