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1- Methyl-3-styryl-2 -quinoxalinone

Carboxystyryl- (39, R = OH) gave 3- -(chloroformyl)styryl-6,7-dimethoxy-l-methyl-2(177)-quinoxalinone (39, R = C1) (neat SOCI2, reflux, <1 h ... [Pg.324]

Di methyl-2( 1 //)-quinoxalinone gave l-methyl-3-styryl-2(l//)-quinoxalinone (82) [neat PhCHO, trace HN(CH2)5, A until molten, 10 min 85% several o- or p-substituted analogs likewise].105... [Pg.108]

Methyl- or 3-styryl-2( 1 //)-quinoxalinone gave respectively 2-chloro-3-methyl-or 2-chloro-3-styrylquinoxaline (POCI3, Me2NCHO, reflux, 45 min 97% or... [Pg.138]

Methyl-2( 1 //)-quinoxalinone (174) with terephthalaldehyde gave 3-p-formyl-styryl-2( I //)-quinoxalinone (175) (Ac20, reflux, 5 h 39%).84... [Pg.348]

See other pages where 1- Methyl-3-styryl-2 -quinoxalinone is mentioned: [Pg.108]    [Pg.247]    [Pg.425]    [Pg.247]    [Pg.324]    [Pg.425]   
See also in sourсe #XX -- [ Pg.108 ]

See also in sourсe #XX -- [ Pg.108 ]



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