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3-Ethoxycarbonylmethyl-5,8-dimethyl-2 quinoxalinone

The same substrate (218) and ethyl ethoxalylacetate (Et02CC0CH2C02Et) gave 3-ethoxycarbonylmethyl-2(l//)-quinoxalinone (221, R = H) (EtOH, reflux, 3 h 80% ° likewise but 15 min 64%) the homologous substrate, 3,6-dimetyl-l,2-benzenediamine, and the same synthon gave 3-ethoxycarbonyl-methyl-5,8-dimethyl-2(l//)-quinoxalinone (221, R = Me) (AcOH, reflux, briefly 61%). ... [Pg.32]

Ethoxycarbonylmethyl-2(l//)-quinoxalinone (62) gave 3-methoxycarbonyl-methylene-l,4-dimethyl-3,4-dihydro-2(l/ )-quinoxalinone (63) (CH2N2,... [Pg.199]

See other pages where 3-Ethoxycarbonylmethyl-5,8-dimethyl-2 quinoxalinone is mentioned: [Pg.402]   
See also in sourсe #XX -- [ Pg.32 ]



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Quinoxalinones

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