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Molbank, Volume 2013, Issue 4 (December 2013)

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Open AccessShort Note 6-[5-Chloro-2-(trifluoromethyl)phenyl]-3-fluoro-2-methylpyridine
Molbank 2013, 2013(4), M808; doi:10.3390/M808
Received: 10 July 2013 / Accepted: 17 September 2013 / Published: 25 September 2013
PDF Full-text (163 KB) | Supplementary Files
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
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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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Open AccessShort Note N,N′-Bis-(4-nitrophenylcarbamothioyl)phthalamide
Molbank 2013, 2013(4), M809; doi:10.3390/M809
Received: 20 August 2013 / Accepted: 7 October 2013 / Published: 14 October 2013
PDF Full-text (260 KB) | Supplementary Files
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
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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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Open AccessShort Note 4-[(2-Hydroxy-4-pentadecyl-benzylidene)-amino]-benzoic Acid Methyl Ester
Molbank 2013, 2013(4), M810; doi:10.3390/M810
Received: 17 September 2013 / Accepted: 15 November 2013 / Published: 28 November 2013
PDF Full-text (155 KB) | Supplementary Files
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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Open AccessShort Note Ethyl 2-(3-Methyl-5-oxo-4,5-dihydro-3H-benzo[e][1,4]diazepin-2-ylamino)benzoate
Molbank 2013, 2013(4), M811; doi:10.3390/M811
Received: 25 October 2013 / Accepted: 9 December 2013 / Published: 12 December 2013
PDF Full-text (212 KB) | Supplementary Files
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
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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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