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5- Phenyl-2-pyrazinamine

Phenylpyrazine (44) gave a separable mixture of 5-phenyl- (43) and 3-phenyl-2-pyrazinamine (43a) (KNH2, liquid NH3, 33°C, 24 h —40 and —10%, respectively) the same substrate (44) gave only 2-methylamino-5-phenylpyrazine (45) (KNHMe, MeNH2, 6°C, 3 h 60%).1457... [Pg.266]

Methyl-3-phenyl-2-pyrazinamine 1-oxide 2- Methyl-3 -phenylpyrazine... [Pg.447]

Benzoyl-5-bromo-2-pyrazinamine (116, R = Br) gave 3-benzoyl-5-phenyl-2-... [Pg.96]

Benzyl-5-p-(trifluoromethyl)phenyl-2-pyrazinamine from its 1-oxide (256, R = CF3) [Raney Ni catalyst (20 X wt of substrate), EtOH, reflux, H2 (atm), 90 min 83% it seems doubtful if the H2 plays any role other than that of an inert atmosphere] 73 also 3-benzyl-5-p-methoxyphenyl-2-pyrazinamine from its 1-oxide (256, R = OMe) (likewise but at 20°C, 4 days >90%).397... [Pg.232]

Methyl 3-amino-6-methyl-5-phenyl-2-pyrazinecarboxylate gave 3-guanidinocar-bonyl-5-methyl-6-phenyl-2-pyrazinamine (97) [HN=C(NH2)2, boiling MeOH, 1 min 83%].941... [Pg.314]

Amino-2-pyrazinecarbonitrile (226) gave 3-(5-phenyl-2//-l,2,4-triazol-3-yl)-2-pyrazinamine (227) [BzHNNH2, Ph20, reflux, <6 h (TLC monitored) 35%], and thence 2-phenyl[l,2,4]triazolo[l,5-r pteridin-5(6//)-one (228) (neat Et02CNH2, reflux, 24 h 50%).1589... [Pg.333]

Bromo-5-chloro-6-phenyl-2(177)-pyrazinone 3-Bromo-5-chloro-2-pyrazinamine 5-Bromo-3-chloro-2-pyrazinamine 5-Bromo-3-chloro-2(177)-pyrazinone... [Pg.377]

Bromo-5-methyl-6-phenyl-2(l//)-pyrazinone 5-Bromo-6-methyl-3-phenyl-2(l//)-pyrazinone 3-Bromo-5-methyl-2-pyrazinamine 5-Bromo-3-methyl-2-pyrazinamine... [Pg.378]

Ethyl-3-methyl-5-phenyl-2(177)-pyrazinone 5-Ethyl-3-methyl-2-pyrazinamine 1-oxide 2-Ethyl-3-methylpyrazine... [Pg.422]

Methoxy-1 -methy l-2( 1/7)-pyrazinono 6-Methoxy-l-methyl-2(l/7)-pyrazinone 5-Methoxy-3-methylthio-2-pyrazinamine 3-Methoxy-1 -phenyl-6-(prop-2-... [Pg.437]

Methylamino-5-phenyl-2-pyrazinecarboxamide Methyl 3-amino-5-phenyl-2-pyrazinecarboxylate Methyl 3-amino-6-phenyl-2-pyrazinecarboxylate 3-Methylamino-5-phenyl-2-pyrazinecarboxylic acid 3-Methylamino-6-phenyl-2-pyrazinecarboxylic acid Methyl 3-amino-5-propionyl-2-pyrazinecarboxylate 3-Methylamino-6-(prop-l-ynyl)-2-pyrazinecarbonitrile 3-Methylamino-2-pyrazinamine... [Pg.442]

Methyl-5-phenyl-2-pyrazinamine 1-oxide 3-Methyl-6-phenyl-2-pyrazinamine 1-oxide... [Pg.447]

Phenylpteridine (117) gave 3-ethyliminomethyl-6-phenyl-2-pyrazinamine (119) (neat EtNH2, 20°C, 4 h 78% via the adduct (118)] or a separable mixture of 4-ethylamino-7-phenylpteridine (120) and 3-amino-5-phenyl-2-pyrazinecarbaldehyde (121) [neat EtNH, KMnO4 (1 mol), 17°C, 5 h 26 and 38%, respectively, after separation the second, presumably via the Schiff base (119)] the aldehyde (121) was oxidized further to 3-ainino-5-phenyl-2-pyrazinecarboxylic acid (122) (KMnO4, H,O, 20°C, 1 h 28%). ... [Pg.65]

See other pages where 5- Phenyl-2-pyrazinamine is mentioned: [Pg.28]    [Pg.229]    [Pg.452]    [Pg.452]    [Pg.28]    [Pg.229]    [Pg.447]    [Pg.452]    [Pg.452]    [Pg.28]    [Pg.37]    [Pg.65]    [Pg.96]    [Pg.148]    [Pg.229]    [Pg.354]    [Pg.368]    [Pg.373]    [Pg.373]    [Pg.379]    [Pg.388]    [Pg.393]    [Pg.399]    [Pg.410]    [Pg.421]    [Pg.437]    [Pg.452]    [Pg.452]    [Pg.452]    [Pg.452]    [Pg.452]    [Pg.28]    [Pg.37]    [Pg.96]    [Pg.148]    [Pg.229]   
See also in sourсe #XX -- [ Pg.27 , Pg.266 ]

See also in sourсe #XX -- [ Pg.27 , Pg.266 ]



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2-Pyrazinamine

3- Benzoyl-5-phenyl-2-pyrazinamine

3-Phenyl-2-pyrazinamine 1-oxide

Pyrazinamines

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