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2- Acetonyl-5,6-diphenylpyrazine

Chloro-5,6-diphenylpyrazine (136) gave successively dimethyloxosulfonium 5,6-diphenylpyrazin-2-ylmethylide (137) [H2CS(=0)Me2, THF, N2, reflux, 5 h 93%], acetyl dimethyloxosulfonium 5,6-diphenylpyrazin-2-ylmethylide (138) (Ac20, dioxane, 0°C, 90 min 91%), and 2-acetonyl-5,6-diphenylpyrazine (139) (Raney Ni, MeOH, reflux, 30 min 60%).91... [Pg.99]

Acetamido-2(l//)-pyrazinethione 3-Acetanudo-20 //)-pyrazinone 2-Acetonyl-5,6-diphenylpyrazine 2-Acetonyl-6-methylpyrazine 2-Acetonyl-3-phenylpyrazine 2-Acetonyl-6-phenylpyrazine 2-Acetonylpyrazine... [Pg.352]

See other pages where 2- Acetonyl-5,6-diphenylpyrazine is mentioned: [Pg.99]    [Pg.352]    [Pg.99]    [Pg.352]   
See also in sourсe #XX -- [ Pg.99 ]



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2.3- Diphenylpyrazine

Acetonylation

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