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Table of Contents

Molbank, Volume 2011, Issue 4 (December 2011), M739-M746

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	M739 Gadada Naganagowda and Amorn Petsom Short Note: 4-Amino-N-(2-hydroxy-4-pentadecylbenzylidene)benzenesulfonamide Molbank 2011, 2011(4), M739; doi:10.3390/M739 Received: 23 August 2011; in revised form: 24 September 2011 / Accepted: 8 October 2011 / Published: 13 October 2011 Show/Hide Abstract | Download PDF Full-text (83 KB) |  Abstract: 4-Amino-N-(2-hydroxy-4-pentadecylbenzylidene)benzenesulfonamide has been synthesized by reaction of 2-hydroxy-4-pentadecylbenzaldehyde with 4-aminobenzenesulfonamide in the presence of acetic acid in ethanol. The structure of this new compound was confirmed by elemental analysis, IR, 1H-NMR, 13C-NMR and mass spectral analysis.
	M740 Kavitha Kankanala, Varsha Prakash, Khagga Mukkanti, Vangala Ranga Reddy and Sarbani Pal Short Note: N-(4-Methylsulfonamido-3-phenoxyphenyl)-9,10-dihydro-9,10-ethanoanthracene-11,12-dicarboximide Molbank 2011, 2011(4), M740; doi:10.3390/M740 Received: 7 September 2011 / Accepted: 30 September 2011 / Published: 14 October 2011 Show/Hide Abstract | Download PDF Full-text (175 KB) |  Abstract: The title compound, N-(4-methylsulfonamido-3-phenoxyphenyl)-9,10-dihydro-9,10-ethanoanthracene-11,12-dicarboximide was synthesized in high yield by reaction of N-(4-amino-2-phenoxyphenyl)methanesulfonamide and 9,10-dihydroanthracene-9,10-endo-α,β-succinic anhydride in glacial acetic acid. The structure of the compound was fully characterized by IR, 1H and 13C NMR, mass spectral analysis and elemental analysis.
	M741 Nakka Mamatha, Nallapati Suresh Babu, Khagga Mukkanti and Sarbani Pal Short Note: 2-(6-Methoxynaphthalen-2-yl)propionic acid (1,3-dimethyl­butylidene)hydrazide Molbank 2011, 2011(4), M741; doi:10.3390/M741 Received: 16 August 2011 / Accepted: 23 September 2011 / Published: 18 October 2011 Show/Hide Abstract | Download PDF Full-text (191 KB) |  Abstract: The title compound, 2-(6-methoxynaphthalen-2-yl)propionic acid (1,3-dimethyl­butylidene)hydrazide was synthesized in high yield by the reaction of 2-(6-methoxy­naphthalen-2-yl)propionic acid hydrazide and 4-methylpentan-2-one in PEG 400. This compound was fully characterized by IR, 1H NMR, mass spectra and elemental analysis. The in vitro antibacterial activity of this compound was evaluated against gram positive and gram negative bacteria.
	M742 Ferenc Csende, József Jekő and Andrea Porkoláb Short Note: 3-[1-(4-Methylphenyl)-3-oxo-1,3,4,5,6,7-hexahydro-2H-isoindol-2-yl]propanoic Acid Molbank 2011, 2011(4), M742; doi:10.3390/M742 Received: 3 August 2011 / Accepted: 8 November 2011 / Published: 10 November 2011 Show/Hide Abstract | Download PDF Full-text (174 KB) |  Abstract: A simple solvent-free synthesis of 3-[1-(4-methylphenyl)-3-oxo-1,3,4,5,6,7-hexahydro-2H-isoindol-2-yl]propanoic acid 3 was achieved by fusion of cis-2-[(4-methylphenyl)carbonyl]cyclohexanecarboxylic acid 1 with 3-aminopropanoic acid 2. The structure of this new compound was confirmed by elemental analysis, IR, EI-MS, 1H-NMR and 13C-NMR spectral data.
	M743 Thoraya A. Farghaly and Sobhi M. Gomha Short Note: Ethyl (1,3-diphenyl-1H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)acetate Molbank 2011, 2011(4), M743; doi:10.3390/M743 Received: 16 August 2011 / Accepted: 13 October 2011 / Published: 10 November 2011 Show/Hide Abstract | Download PDF Full-text (186 KB) |  Abstract: Novel ethyl (1,3-diphenyl-1H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)acetate (5), was prepared via heating of 5-amino-1,3-diphenyl-4,5-dihydro-4-imino-1H-pyrazolo[3,4-d] pyrimidine (1) and diethyl malonate (2) under reflux. The structure of the synthesized compound was assigned on the basis of its elemental analysis, IR, 1H-NMR and mass spectral data.
	M744 Sandhya Bawa, Rajiv K. Tonk, Gita Chawla, Suresh Kumar and Obaid Afzal Short Note: 1-(8-Chloro-3-methyl-1H-pyrazolo[4,3-c]cinnolin-1-yl)-2-(2-chlorophenyl)ethanone Molbank 2011, 2011(4), M744; doi:10.3390/M744 Received: 23 September 2011 / Accepted: 11 November 2011 / Published: 16 November 2011 Show/Hide Abstract | Download PDF Full-text (161 KB) |  Abstract: 1-(8-Chloro-3-methyl-1H-pyrazolo[4,3-c]cinnolin-1-yl)-2-(2-chlorophenyl)ethanone 2 has been synthesized through condensation of 3-acetyl-6-chloro-1H-cinnolin-4-one 1 with 2-(2-chlorophenyl)acetohydrazide in polar aprotic solvent containing catalytic amount of conc. HCl. The structure of the title compound 2 was established on the basis of IR, 1H-NMR, 13C-NMR and mass spectral data.
	M745 Seranthimata Samshuddin, Badiadka Narayana and Balladka Kunhanna Sarojini Short Note: Ethyl 4,4''-Difluoro-5'-hydroxy-1,1':3',1''-terphenyl-4'-carboxylate Molbank 2011, 2011(4), M745; doi:10.3390/M745 Received: 3 August 2011 / Accepted: 18 November 2011 / Published: 23 November 2011 Show/Hide Abstract | Download PDF Full-text (180 KB) |  Abstract: A simple and novel route for the synthesis of new terphenyl derivative as well as oxidative aromatization of α,β-unsaturated cyclohexenone to the corresponding phenol derivative is developed. The present work involves the condensation of ethylacetoacetate with 4,4'-difluoro chalcone followed by the aromatization using chloramine-T in acetic acid to yield the title compound (3). The synthesized compound (3) is well characterized by IR, NMR, LCMS and elemental analysis.
	M746 Sobhi M. Gomha and Thoraya A. Farghaly Short Note: (E)-Ethyl 3-(Dimethylamino)-2-(7,9-diphenyl-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl)acrylate Molbank 2011, 2011(4), M746; doi:10.3390/M746 Received: 30 November 2011 / Accepted: 13 December 2011 / Published: 20 December 2011 Show/Hide Abstract | Download PDF Full-text (120 KB) |  Abstract: Novel (E)-ethyl 3-(dimethylamino)-2-(7,9-diphenyl-7H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-2-yl)acrylate (3A), was prepared via condensation of ethyl (1,3-diphenyl-1H-pyrazolo[4,3-e][1,2,4]triazolo[1,5-c]pyrimidin-5-yl)acetate (1) and dimethylformamide-dimethylacetal under reflux. The structure of the synthesized compound was assigned on the basis of elemental analysis, IR, 1H NMR and mass spectral data.
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