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Reactions with hydrazonoyl halides 66: Synthesis of some new 1,3,4-thiadiazoles, triazolino[4,3-a]pyrimidines and isoxazolo[3,4-d]pyridazines containing coumarin moiety | Abdelhamid | European Journal of Chemistry

Reactions with hydrazonoyl halides 66: Synthesis of some new 1,3,4-thiadiazoles, triazolino[4,3-a]pyrimidines and isoxazolo[3,4-d]pyridazines containing coumarin moiety

Abdou Osman Abdelhamid, Abdelgawad Ali Fahmi, Abeer Bahlol Ali

Abstract


2,3-Dihydro-1,3,4-thiadiazoles, triazolino[4,3-a]pyrimidines, isoxazoles and isoxazolo[3,4-d]pyridazines containing coumarin moities were synthesized from the reactions of methyl (or benzyl) carbodithioate, pyrimidine-2-thione and 3-(3-(dimethylamino)acryloyl)-2H-chromen-2-one derivatives with C-coumarinoyl-N-phenylhydrazonoyl bromide. The structures of all the newly synthesized compounds were confirmed by elemental analyses and spectral data.

2_4_544_551_800


Keyword(s)


Coumarins; Nitrilimines; 1,3,4-Thiadiazoles; Pyrimidine-2-thione; Isoxazolo[3,4-d]prymidines; Triazolino[4,3-a]pyrimidines

European Journal of Chemistry, 2 (4), (2011), 544-551

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DOI: http://dx.doi.org/10.5155/eurjchem.2.4.544-551.478

 

Cited-By

[1]. Synthesis of 5-arylazothiazoles, pyridines and thieno[2,3-b]pyridines derivatives containing 1,2,3-triazole moiety
Abdou Osman Abdelhamid, Nadia Abdelhamid Abdel-Riheem, Tamer Tawhid El-Idreesy, Huda Refat Mahmoud Rashdan
European Journal of Chemistry  Volume: 3  Issue: 3  First page: 322  Year: 2012  
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[2]. Ecofriendly regioselective one-pot synthesis of chromeno[4,3-d][1,2,4]triazolo[4,3-a]pyrimidine derivatives
Sobhi Mohamed Gomha, Mohamed Gomaa Badrey
European Journal of Chemistry  Volume: 4  Issue: 2  First page: 180  Year: 2013  
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