Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

5,8-Diacetoxy-6-methoxyquinoxaline

Methoxy-5,8-quinoxalinequinone (34) gave 6-bromo-7-methoxy-5,8-quinox-alinequinone (35) (Br2, AcOH-AcONa, 20°C, 12h 58%) the same product (35) was also obtained from 5,8-diacetoxy-6-methoxyquinoxaline (36) (excess Br2, AcOH-AcONa, 20°C, 5 days 31% an oxidation step was clearly involved in this procedure). ... [Pg.140]

Methoxy-5,8-quinoxalinequinone (136) gave 6-methoxy-5,8(l//,477)-quinox-alinedione (137), characterized as 5,8-diacetoxy-6-methoxyquinoxaline (138) [the quinone, EtOAc, H2SJ, 4 h crude (137) then neat AC2O, 105°C, 1 h 58% overall]. ... [Pg.209]

See other pages where 5,8-Diacetoxy-6-methoxyquinoxaline is mentioned: [Pg.388]    [Pg.388]    [Pg.388]    [Pg.388]   
See also in sourсe #XX -- [ Pg.209 ]

See also in sourсe #XX -- [ Pg.209 ]



SEARCH



1.2- diacetoxy

© 2024 chempedia.info