136806-23-0Relevant academic research and scientific papers
3,4-DISUBSTITUTED COUMARIN AND QUINOLONE COMPOUNDS
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Example 2, (2008/06/13)
The present invention relates to 3,4-disubstituted coumarin and quinolone derivatives and processes for their preparation. The invention also related to methods for treating infection of Hepatitis C virus by administering a 3,4-disubstituted coumarin or q
3,4-Disubstituted coumarin and quinolone compounds
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Page/Page column 27-28, (2008/06/13)
The present invention relates to 3,4-disubstituted coumarin and quinolone derivatives and processes for their preparation. The invention also related to methods for treating infection of Hepatitis C virus by administering a 3,4-disubstituted coumarin or q
Synthesis of coumarin derivatives from 4-oxo-4H-1-benzopyran-3- carboxaldehyde via 3-(arylaminomethylene)chroman-2,4-dione
Bandyopadhyay, Chandrakanta,Ranabir Sur, Kumar,Patra, Ranjan,Sen, Arunabha
, p. 3583 - 3587 (2007/10/03)
K-10 Montmorillonite mediated condensation of aldehyde 1 with arylamine 2 affords chroman-2,4-dione 5 which gives tricoumarol 8 by acid hydrolysis, 4-arylamino-3-formylcoumarin 11 and 1-benzopyrano[4,3-b]quinoline 12 on heating with POCl3. 2000
Heterocyclic -Condensed Coumarins from 4-Azido-3-coumarincarbaldehydes
Steinfuehrer, Thorsten,Hantschmann, Achim,Pietsch, Michael,Weissenfels, Manfred
, p. 23 - 28 (2007/10/02)
4-Azido-3-coumarincarbaldehydes 2a-d are useful starting materials for syntheses of a variety of 3,4-disubstituted coumarins as well as heterocyclic -fused coumarins, e. g. isoxazoles, pyrazoles and 1,5-diazepines, under mild conditions.In these reacti
