Access to phthalazinones via palladium-catalyzed three-component cycloamino-carbonylation of 2-formylaryl tosylates, hydrazines and CO
作者:Bin Liu、Chunlei Zhang、Xigeng Zhou
DOI:10.1016/j.tet.2016.10.065
日期:2016.12
The palladium-catalyzed three-component cycloaminocarbonylation of 2-formylaryl tosylates with hydrazines and carbon monoxide has been established, which provides an efficient method for synthesis of substituted phthalazinones. In addition, by applying this protocol as the key step, Hydralazine can easily be synthesized in 65% yield.
Palladium-Catalyzed Phthalazinone Synthesis Using Paraformaldehyde as Carbon Source
作者:Huamin Wang、Jinhui Cai、Huawen Huang、Guo-Jun Deng
DOI:10.1021/ol502498y
日期:2014.10.17
A palladium-catalyzed one-pot synthesis of phthalazinones from 2-halomethyl benzoates, paraformaldehyde, and aryl hydrazines is described. Various substituted phthalazinones were selectively obtained in good yields using paraformaldehyde as the cheap carbon source (CH).