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2-Dichloromethyl-4-ethyl quinoxaline

Ethyl 3-dichloromethyl-2-quinoxalinecarboxylate 1,4-dioxide (292) gave pyri-dazino[4,5-/7]quinoxalin-l(2/i)-one (293) (H2NNH2-H20, EtOH, 0°C 20°C, 24 h 60% note the concomitant removal of the A(-oxide entities). ... [Pg.186]

Ethyl 3-dichloromethyl-2-quinoxalinecarboxylate 1,4-dioxide (281) with hydrazine gave pyridazino[4,5-/ ]quinoxalin-1 (2//)-one (283, presumably via the intermediate hydrazone (282) (substrate, EtOH, H2NNH2H2OJ, dropwise, 0°C > 20°C, 24 h 60% note loss of /V-oxide entities during the reactions).226... [Pg.311]


See other pages where 2-Dichloromethyl-4-ethyl quinoxaline is mentioned: [Pg.309]   
See also in sourсe #XX -- [ Pg.309 ]

See also in sourсe #XX -- [ Pg.309 ]




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1,1 -dichloromethyl

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