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Molbank, Volume 2010, Issue 3 (September 2010)

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Open AccessShort Note N-Cyclohexyl-11-(octylthio)undecanamide
Molbank 2010, 2010(3), M689; doi:10.3390/M689
Received: 1 July 2010 / Accepted: 27 July 2010 / Published: 28 July 2010
PDF Full-text (192 KB) | Supplementary Files
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 [...] 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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Open AccessShort Note (Z)-2-(4-Chloro-5H-1,2,3-dithiazol-5-ylideneamino)-6-ethoxy-4-phenylpyridine-3,5-dicarbonitrile
Molbank 2010, 2010(3), M690; doi:10.3390/M690
Received: 12 July 2010 / Accepted: 30 July 2010 / Published: 3 August 2010
Cited by 1 | PDF Full-text (167 KB) | Supplementary Files
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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Open AccessShort Note 3-Amino-6-ethoxy-4-phenyl-1H-pyrrolo[2,3-b]pyridine-2,5-dicarbonitrile
Molbank 2010, 2010(3), M691; doi:10.3390/M691
Received: 12 July 2010 / Accepted: 30 July 2010 / Published: 3 August 2010
Cited by 1 | PDF Full-text (132 KB) | Supplementary Files
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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Open AccessShort Note 1-(2,5-Dimethyl-3-thienyl)-3-(2,4,5-trimethoxyphenyl)prop-2-en-1-one
Molbank 2010, 2010(3), M692; doi:10.3390/M692
Received: 3 June 2010 / Accepted: 4 August 2010 / Published: 5 August 2010
PDF Full-text (88 KB) | Supplementary Files
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 [...] Read more.
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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Open AccessShort Note 4,6-Diamino-5-(3,4-dichlorobenzylidene)pyrimidin-2(5H)-one
Molbank 2010, 2010(3), M693; doi:10.3390/M693
Received: 22 July 2010 / Accepted: 11 August 2010 / Published: 14 September 2010
PDF Full-text (101 KB) | Supplementary Files
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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Open AccessShort Note 2E,2'E-3,3'-(1,4-Phenylene)bis(1-(2,5-dimethylfuran-3-yl)prop-2-en-1-one
Molbank 2010, 2010(3), M694; doi:10.3390/M694
Received: 8 July 2010 / Accepted: 14 September 2010 / Published: 15 September 2010
PDF Full-text (55 KB) | Supplementary Files
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, 13 [...] 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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Open AccessShort Note 2-Methyl-3-{4-[2-(1H-tetrazol-5-yl)ethylamino]phenyl}-3H-quinazolin-4-one
Molbank 2010, 2010(3), M695; doi:10.3390/M695
Received: 25 June 2010 / Accepted: 14 September 2010 / Published: 16 September 2010
Cited by 2 | PDF Full-text (98 KB) | Supplementary Files
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 [...] 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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Open AccessShort Note Trans-dichloro-2,3-naphthalenediamine bis[(2-methoxyethyl)­(diphenyl)phosphine]­ruthenium(II) Complex
Molbank 2010, 2010(3), M696; doi:10.3390/M696
Received: 21 July 2010 / Accepted: 10 September 2010 / Published: 17 September 2010
PDF Full-text (125 KB) | Supplementary Files
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 [...] 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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Open AccessShort Note 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
Molbank 2010, 2010(3), M697; doi:10.3390/M697
Received: 5 August 2010 / Accepted: 14 September 2010 / Published: 17 September 2010
PDF Full-text (73 KB) | Supplementary Files
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 [...] 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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