2-(2-Aminoaryl)-2-oxo-triphenylphosphoniumethylides 2a-d, readily available by standard procedures, are converted into 4-oxo-l,4-dihydrocinnolines 7a-d by treatment with nitrous acid and subsequent basic hydrolysis of the intermediate phosphoranes 6a-d.

Baldoli, C., Licandro, E., Maiorana, S., Menta, E., Papagni, A. (1987). A NEW FACILE SYNTHESIS OF 4-OXO-1,4-DIHYDROCINNOLINES. SYNTHESIS, 1987(3), 288-290 [10.1055/s-1987-27921].

A NEW FACILE SYNTHESIS OF 4-OXO-1,4-DIHYDROCINNOLINES

PAPAGNI, ANTONIO
1987

Abstract

2-(2-Aminoaryl)-2-oxo-triphenylphosphoniumethylides 2a-d, readily available by standard procedures, are converted into 4-oxo-l,4-dihydrocinnolines 7a-d by treatment with nitrous acid and subsequent basic hydrolysis of the intermediate phosphoranes 6a-d.
Articolo in rivista - Articolo scientifico
arilazomethylenphosphorane, oxo-dihydrocinnolines
English
1987
1987
3
288
290
none
Baldoli, C., Licandro, E., Maiorana, S., Menta, E., Papagni, A. (1987). A NEW FACILE SYNTHESIS OF 4-OXO-1,4-DIHYDROCINNOLINES. SYNTHESIS, 1987(3), 288-290 [10.1055/s-1987-27921].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/32324
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