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1 -Benzyl-5-chloro-3-phenyl-2 pyrazinone

Benzyl-3,5-dichloro-6-phenyl-2(l//)-pyrazinone (91, R = Cl) gave 1-benzyl-5-chloro-3-(o-iodoanilino)-6-phcnyl-2(l//)-pyrazinonc (91, R = NHC6H4I-o) (H2NC6H4I-o, NaH, THF, N2, 20°C, 30 min substrate J, reflux, <5 h 78%) 1607 analogues likewise.1607 Also other examples.481,1063... [Pg.154]

L-Benzyl-6-(l-bromo-2-methylpropyl)-5-chloro-3-phcnyl-2(l//)-pyrazinonc (256, R = Br) gave 6-(l-azido-2-methylpropyl)-l-benzyl-5-chloro-3-phenyl-2(l//)-pyrazinone (256, R = N3) (NaN3, Mc2NCIIO, 60°C, 5 h 62%).53... [Pg.186]

Note The paucity of examples in this category is surprising. l-Benzyl-3,5-dichloro-2(l//)-pyrazinone (131) gave 1-benzyl-5-chloro-3-phenyl-2( 1//)-pyrazinone (132) [PhMgBr/Et2O (made in situ), THF, -30°C, 10 min 90%]. ... [Pg.99]

Benzyl-3 -bromomethyl-5-chloro-6-phenyl-2( l//)-pyrazin( )nc (240) gave l-benzyl-5-chloro-3-hydroxymethyl-6-phenyl-2(lF/)-pyrazinone (241) (K2CO3, H2O—dioxane, reflux, 2 h 68% note survival of the chloro substituent). ... [Pg.183]

See other pages where 1 -Benzyl-5-chloro-3-phenyl-2 pyrazinone is mentioned: [Pg.183]    [Pg.369]    [Pg.369]    [Pg.369]    [Pg.369]    [Pg.369]    [Pg.370]    [Pg.371]    [Pg.154]    [Pg.186]    [Pg.371]   
See also in sourсe #XX -- [ Pg.99 ]



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1 -Benzyl-3 - -pyrazinone

5-Chloro-6- pyrazinone

6- Phenyl-2( 17/(-pyrazinone

Benzyl phenyl

Chloro phenyl

Pyrazinone

Pyrazinones

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