The reaction of 2-N-phenylsulfonylaminobenzaldehyde (1) with stabilized alkylidene phosphoranes (2) gives, through a Wittig condensation followed by reduction of intermediate alkenes and cyclization with PPA, quinoline derivatives (5).
Heterocycles from ylides. Part XI. Synthesis of 2-substituted quinoline derivatives / G. Cremonesi, P. Dalla Croce, F. Fontana, C. La Rosa. - In: HETEROCYCLES. - ISSN 0385-5414. - 74:C(2007), pp. 1015-1018. [10.3987/COM-07-S(W)78]
Heterocycles from ylides. Part XI. Synthesis of 2-substituted quinoline derivatives
G. CremonesiPrimo
;P. Dalla CroceSecondo
;F. FontanaPenultimo
;C. La RosaUltimo
2007
Abstract
The reaction of 2-N-phenylsulfonylaminobenzaldehyde (1) with stabilized alkylidene phosphoranes (2) gives, through a Wittig condensation followed by reduction of intermediate alkenes and cyclization with PPA, quinoline derivatives (5).
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