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Molbank, Volume 2010, Issue 3 (September 2010) – 9 articles

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73 KiB  
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1-Acetyl-17-{2-hydroxy-3-[4-(2-methoxyphenyl)piperazin-1-yl]propyl}-17-azapentacyclo[6.6.5.02,7.09,14.015,19]nonadeca-2,4,6,9,11,13-hexaene-16,18-dione
by Magdalena Pakosińska-Parys, Jerzy Kossakowski and Marta Struga
Molbank 2010, 2010(3), M697; https://doi.org/10.3390/M697 - 17 Sep 2010
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Abstract
The title compound was synthesized by condensation of an oxiran imide derivative with an appropriate amine and its IR, 1H NMR, 13C NMR and mass spectroscopic data are reported. The synthesized compound was evaluated for its cytotoxicity and anti-HIV-1 activity in [...] Read more.
The title compound was synthesized by condensation of an oxiran imide derivative with an appropriate amine and its IR, 1H NMR, 13C NMR and mass spectroscopic data are reported. The synthesized compound was evaluated for its cytotoxicity and anti-HIV-1 activity in MT-4 cells. Full article
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125 KiB  
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Trans-dichloro-2,3-naphthalenediamine bis[(2-methoxyethyl)­(diphenyl)phosphine]­ruthenium(II) Complex
by Ismail Warad
Molbank 2010, 2010(3), M696; https://doi.org/10.3390/M696 - 17 Sep 2010
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Abstract
Trans-dichloro-2,3-naphthalenediamine bis[(2-methoxyethyl)­(diphenyl)­phos­phine]­­ruthenium(II) complex Cl2Ru(h1-Ph2PCH2CH2OCH3)2(C10H10N2) has been obtained by reaction of equimolar amounts of Cl2Ru(PÇO)2 complex 2 [...] Read more.
Trans-dichloro-2,3-naphthalenediamine bis[(2-methoxyethyl)­(diphenyl)­phos­phine]­­ruthenium(II) complex Cl2Ru(h1-Ph2PCH2CH2OCH3)2(C10H10N2) has been obtained by reaction of equimolar amounts of Cl2Ru(PÇO)2 complex 2 with one equivalent of 2,3-naphthalenediamine as co-ligand in very good yield. The structure of this new complex 3 was confirmed by elemental analysis, IR, 31P-NMR 1H-NMR, 13C-NMR, UV-visible spectroscopy and FAB-MS. Full article
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98 KiB  
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2-Methyl-3-{4-[2-(1H-tetrazol-5-yl)ethylamino]phenyl}-3H-quinazolin-4-one
by Subramaniyan Arulmurugan and Helen P. Kavitha
Molbank 2010, 2010(3), M695; https://doi.org/10.3390/M695 - 16 Sep 2010
Cited by 6 | Viewed by 4912
Abstract
This present work aims at synthesizing a novel tetrazole from quinazolinone. 3-(4-Aminophenyl)-2-methyl-3H-quinazolin-4-one is converted into a nitrile by reacting it with acrylonitrile and triton B. The nitrile on treatment with NaN3, NH4Cl and DMF yielded the corresponding [...] Read more.
This present work aims at synthesizing a novel tetrazole from quinazolinone. 3-(4-Aminophenyl)-2-methyl-3H-quinazolin-4-one is converted into a nitrile by reacting it with acrylonitrile and triton B. The nitrile on treatment with NaN3, NH4Cl and DMF yielded the corresponding tetrazole. The tetrazole obtained was characterized by IR, 1H NMR, EI-MS and elemental analysis. The compound was screened for antimicrobial activity against Staphylococcus aureus, Escherichia coli, Candida albicans and Aspergillus niger.The results of the study show that the compound possesses fairly good antimicrobial activity against the test organisms. Full article
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55 KiB  
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2E,2'E-3,3'-(1,4-Phenylene)bis(1-(2,5-dimethylfuran-3-yl)prop-2-en-1-one
by Abdullah M. Asiri and Salman A. Khan
Molbank 2010, 2010(3), M694; https://doi.org/10.3390/M694 - 15 Sep 2010
Cited by 1 | Viewed by 4836
Abstract
A bis-chalcone has been synthesized by reaction of 3-acetyl-2,5-dimethylfuran and terephthalaldehyde in ethanolic NaOH at room temperature: (2E,2'E)-3,3'-(1,4-phenylene)bis(1-(2,5-dimethylfuran-3-yl)prop-2-en-1-one) (3) was obtained in high yield. The structure of this compound was established by elemental analysis, IR, 1H NMR, 13C [...] Read more.
A bis-chalcone has been synthesized by reaction of 3-acetyl-2,5-dimethylfuran and terephthalaldehyde in ethanolic NaOH at room temperature: (2E,2'E)-3,3'-(1,4-phenylene)bis(1-(2,5-dimethylfuran-3-yl)prop-2-en-1-one) (3) was obtained in high yield. The structure of this compound was established by elemental analysis, IR, 1H NMR, 13C NMR and EI-MS spectral analysis. Full article
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101 KiB  
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4,6-Diamino-5-(3,4-dichlorobenzylidene)pyrimidin-2(5H)-one
by Gricela Lobo, Jaime Charris, Katiuska Charris, Jesús Romero and Antonieta Taddei
Molbank 2010, 2010(3), M693; https://doi.org/10.3390/M693 - 14 Sep 2010
Cited by 2 | Viewed by 4607
Abstract
A new compound, 4,6-diamino-5-(3,4-dichlorobenzylidene)pyrimidin-2(5H)-one, was synthesized and its IR, 1H NMR,13C NMR, MS spectroscopic data and elemental analysis are presented. Full article
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88 KiB  
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1-(2,5-Dimethyl-3-thienyl)-3-(2,4,5-trimethoxyphenyl)prop-2-en-1-one
by Abdullah M. Asiri and Salman A. Khan
Molbank 2010, 2010(3), M692; https://doi.org/10.3390/M692 - 5 Aug 2010
Cited by 1 | Viewed by 4994
Abstract
The title compound, 1-(2,5-dimethyl-3-thienyl)-3-(2,4,5-trimethoxy­phenyl)prop-2-en-1-one (3) was synthesized in high yield by an aldol condensation reaction of 3-acetyl-2,5-dimethythiophene and 2,4,5-trimethoxybenzaldehyde in methanolic NaOH at room temperature. Its structure was fully characterized by elemental analysis, IR, 1H NMR, 13C NMR and EI-MS spectral data. Full article
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132 KiB  
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3-Amino-6-ethoxy-4-phenyl-1H-pyrrolo[2,3-b]pyridine-2,5-dicarbonitrile
by Panayiotis A. Koutentis and Sophia S. Michaelidou
Molbank 2010, 2010(3), M691; https://doi.org/10.3390/M691 - 3 Aug 2010
Cited by 2 | Viewed by 4922
Abstract
(Z)-2-(4-Chloro-5H-1,2,3-dithiazol-5-ylideneamino)-6-ethoxy-4-phenylpyridine-3,5-dicarbonitrile 1, when treated with either triphenylphosphine (4 equiv.) or polymer bound triphenylphosphine (5 equiv.) in dichloromethane at room temperature for 3 days affords 3‑amino-6-ethoxy-4-phenyl-1H-pyrrolo[2,3-b]pyridine-2,5-dicarbonitrile 2 in 60–62% yields. Full article
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167 KiB  
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(Z)-2-(4-Chloro-5H-1,2,3-dithiazol-5-ylideneamino)-6-ethoxy-4-phenylpyridine-3,5-dicarbonitrile
by Panayiotis A. Koutentis and Sophia S. Michaelidou
Molbank 2010, 2010(3), M690; https://doi.org/10.3390/M690 - 3 Aug 2010
Cited by 1 | Viewed by 4744
Abstract
2-Amino-6-ethoxy-4-phenylpyridine-3,5-dicarbonitrile 1 reacts with 4,5-dichloro-1,2,3-dithiazolium chloride 2 in the presence of pyridine (2 equiv.) to afford (Z)-2-(4-chloro-5H-1,2,3-dithiazol-5-ylideneamino)-6-ethoxy-4-phenylpyridine-3,5- dicarbonitrile 3 in 88% yield. Full article
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192 KiB  
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N-Cyclohexyl-11-(octylthio)undecanamide
by Eva-Maria Schön and David D. Díaz
Molbank 2010, 2010(3), M689; https://doi.org/10.3390/M689 - 28 Jul 2010
Viewed by 5354
Abstract
A practical synthesis of N-cyclohexyl-11-(octylthio)undecanamide by thiol-ene click coupling reaction under UV light irradiation is reported. The title compound was characterized by elemental analysis, FT-IR, 1H NMR, 13C NMR and MS spectroscopic methods. This molecule was found to be an [...] Read more.
A practical synthesis of N-cyclohexyl-11-(octylthio)undecanamide by thiol-ene click coupling reaction under UV light irradiation is reported. The title compound was characterized by elemental analysis, FT-IR, 1H NMR, 13C NMR and MS spectroscopic methods. This molecule was found to be an efficient gelator for fluid oils, and the main physical parameters of the formed gels were also examined. Full article
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