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3-Oxo-3,4-dihydro-2-quinoxalinecarbonyl chloride

Oxo-3,4-dihydro-2-quinoxalinecarboxylic acid (36, R = OH) gave 3-oxo-3,4-dihydro-2-quinoxalinecarbonyl chloride (36, R = Cl) (neat SOCI2, reflux, 1 h 6,7-dimethoxy -methyl-3-oxo-3,4-dihydro-2-quinoxalinecarboxylic acid (37, R = OH) gave 6,7-dmieihoxy-4-methyl-3-oxo-3,4-dihydro-2-quinoxalinecarbonyl chloride (37, R = C1) (likewise >91%). ... [Pg.323]

Dimethoxy-4-methyl-3-oxo-3,4-dihydro-2-quinoxalinecarbonyl chloride (92, R = Cl) gave the corresponding carbonyl azide (92, R = N3) (NaN3, AcMe, 0°C, 2 h 78%).934... [Pg.334]

Oxo-3,4-dihydro-2-quinoxalinecarbonyl azide 3-Oxo-3,4-dihydro-2-quinoxalinecarbonyl chloride... [Pg.428]

Chloride [104077-15-8]. 3,4-Dihydro-6,7-dimethoxy-4-methyl-3-oxo-2-quinoxalinecarbonyl chloride, 9CI. DMEQ-COCl... [Pg.334]

Chloro-2,2-dimethyl-3-oxo-1,2,3,4-tetrahydro-1 -quinoxalinecarbonyl chloride (89) gave 6-chloro-4-(3,5-dimethylpiperazin-l-yl)carbonyl-3,3-dimethyl-3,4-dihydro-2(177)-quinoxalinone (90) [substrate, EtPr N, CH2CI2 HN(CH2-CHMe)2NHi, 0°C 20°C, 17 h 54%] analogs likewise. " ... [Pg.334]

See other pages where 3-Oxo-3,4-dihydro-2-quinoxalinecarbonyl chloride is mentioned: [Pg.395]    [Pg.395]    [Pg.1002]    [Pg.1101]    [Pg.1326]   
See also in sourсe #XX -- [ Pg.323 ]

See also in sourсe #XX -- [ Pg.323 ]



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3- -5-oxo-4,5-dihydro

4,5-dihydro- -chloride

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