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Molbank
Volume 2013
Issue 4
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Molbank, Volume 2013, Issue 4 (December 2013) – 4 articles

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212 KiB  
Short Note
Ethyl 2-(3-Methyl-5-oxo-4,5-dihydro-3H-benzo[e][1,4]diazepin-2-ylamino)benzoate
by Naim H. Al-Said and Ayat M. Al-Sghair
Molbank 2013, 2013(4), M811; https://doi.org/10.3390/M811 - 12 Dec 2013
Viewed by 3333
Abstract
A simple route for synthesis of ethyl 2-(3-methyl-5-oxo-4,5-dihydro-3H-benzo[e][1,4]diazepin-2-ylamino)benzoate is developed. The present work involves condensation of 2-(2-nitrobenzamido)propanoic acid with ethyl anthranillate followed by the H2/Pd/C reduction to give the amino ester which upon heating in DMF in [...] Read more.
A simple route for synthesis of ethyl 2-(3-methyl-5-oxo-4,5-dihydro-3H-benzo[e][1,4]diazepin-2-ylamino)benzoate is developed. The present work involves condensation of 2-(2-nitrobenzamido)propanoic acid with ethyl anthranillate followed by the H2/Pd/C reduction to give the amino ester which upon heating in DMF in the presence of FeCl3 affords the title compound. The structure of the title compound was established on the basis of 1H-NMR, 13C-NMR and mass spectral data. Full article
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155 KiB  
Short Note
4-[(2-Hydroxy-4-pentadecyl-benzylidene)-amino]-benzoic Acid Methyl Ester
by Gadada Naganagowda, Sanjit Kumar Mahato, Reinout Meijboom and Amorn Petsom
Molbank 2013, 2013(4), M810; https://doi.org/10.3390/M810 - 28 Nov 2013
Viewed by 3979
Abstract
A new Schiff base, 4-[(2-hydroxy-4-pentadecyl-benzylidene)-amino]-benzoic acid methyl ester was synthesized and its UV, IR, 1H-NMR, 13C-NMR and ESI-MS spectroscopic data are presented. Full article
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260 KiB  
Short Note
N,N′-Bis-(4-nitrophenylcarbamothioyl)phthalamide
by Fatma Aydin and Erdogan Dagci
Molbank 2013, 2013(4), M809; https://doi.org/10.3390/M809 - 14 Oct 2013
Cited by 2 | Viewed by 3778
Abstract
A novel colorimetric receptor linked to two nitrophenylurea groups was synthesized in good yields, characterized and their chromogenic properties investigated towards various anions (F−, Cl−, Br−, I−, OH−, AcO−, H2 [...] Read more.
A novel colorimetric receptor linked to two nitrophenylurea groups was synthesized in good yields, characterized and their chromogenic properties investigated towards various anions (F−, Cl−, Br−, I−, OH−, AcO−, H2PO4− and CN−) by UV-Vis techniques. The receptor, effectively and selectively, recognized and distinguished the biologically important F− from other anions such as Cl−, Br−, I− etc. in DMSO. This selectivity could be easily observed by the naked eye, indicating that receptor is potential colorimetric sensor for fluoride ion. Full article
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163 KiB  
Short Note
6-[5-Chloro-2-(trifluoromethyl)phenyl]-3-fluoro-2-methylpyridine
by Karikere Ekanna Manojkumar, Swamy Sreenivasa, Mohan Revanasiddappa Nadigar and Tadimety Harikrishna
Molbank 2013, 2013(4), M808; https://doi.org/10.3390/M808 - 25 Sep 2013
Cited by 3 | Viewed by 3720
Abstract
Suzuki coupling reaction of 5-fluoro-6-methylpyridin-2-ylboronic acid (1) with 4-chloro-2-iodo-1-(trifluoromethyl)benzene (2) in the presence of dikis and K2CO3 produce C-C coupled new title compound 6-(5-chloro-2-(trifluoromethyl)phenyl)-3-fluoro-2-methylpyridine (3). The structure of the newly synthesized compound has been confirmed by IR, 1H-NMR, 13 [...] Read more.
Suzuki coupling reaction of 5-fluoro-6-methylpyridin-2-ylboronic acid (1) with 4-chloro-2-iodo-1-(trifluoromethyl)benzene (2) in the presence of dikis and K2CO3 produce C-C coupled new title compound 6-(5-chloro-2-(trifluoromethyl)phenyl)-3-fluoro-2-methylpyridine (3). The structure of the newly synthesized compound has been confirmed by IR, 1H-NMR, 13C-NMR, LC-MS and CHN analysis. Full article
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