| Literature DB >> 23675901 |
Dong-Sheng Chen1, Guo-Lan Dou, Yu-Ling Li, Yun Liu, Xiang-Shan Wang.
Abstract
The treatment of 2-amino-N'-arylbenzohydrazide and o-halogenated benzaldehyde in the presence of CuBr and Cs2CO3 gave 5-arylindazolo[3,2-b]quinazolin-7(5H)-one in high yields. This procedure contains an Ullmann-type reaction and provides an efficient method to construct fused tetracyclic heterocycles.Entities:
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Year: 2013 PMID： 23675901 DOI： 10.1021/jo400420b
Source DB: PubMed Journal: J Org Chem ISSN： 0022-3263 Impact factor: 4.354