Synthesis p. 288 - 290 (1987)
Update date:2022-09-26
Topics:
Baldoli, Clara
Licandro, Emanuela
Maiorana, Stefano
Menta, Ernesto
Papagni, Antonio
2-(2-Aminoaryl)-2-oxo-triphenylphosphoniumethylides 2a-d, readily available by standard procedures, are converted into 4-oxo-1,4-dihydrocinnolines 7a-d by treatment with nitrous acid and subsequent basic hydrolysis of the intermediate phosphoranes 6a-d.
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(1986)Doi:10.1039/b817196n
(2009)Doi:10.1039/jr9570004612
(1957)Doi:10.1021/jo01088a001
()Doi:10.1007/s11172-007-0364-x
(2007)Doi:10.1021/jm9014197
(2009)
