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2-Hydrazinopyrazine 4-oxide

Hydrazinopyrazine 4-oxide (204) gave l,2,4-triazolo[4,3-a]pyrazine 7-oxide (206) by loss of AcOH from the unisolated intermediate (205) [neat... [Pg.291]

Hydrazinopyrazine 4-oxide (196) gave 2-( A -formyl hydrazino (pyrazine... [Pg.290]

Dichloropyrazine 4-oxide (93, R = Cl) gave 2-chloro-6-hydrazinopyrazine 4-oxide (93, R = NHNH2) (H2NNH2.H20, EtOH, 20°C, 24 h 69%).891 Also other examples.78,80,276... [Pg.155]

See other pages where 2-Hydrazinopyrazine 4-oxide is mentioned: [Pg.154] [Pg.290] [Pg.426] [Pg.154] [Pg.426] [Pg.154] [Pg.290] [Pg.389] [Pg.426] [Pg.154] [Pg.155] [Pg.389] [Pg.426]

See also in sourсe #XX -- [ Pg.154 ]

See also in sourсe #XX -- [ Pg.154 ]

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2-Hydrazinopyrazine

Hydrazinopyrazines