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Molbank, Volume 2006, Issue 5 (September 2006)

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Open AccessShort Note Synthesis of 6-chloro-2-oxo-1,2-dihydroquinoline-4-carbohydrazide
Molbank 2006, 2006(5), M485; https://doi.org/10.3390/M485
Received: 10 January 2006 / Accepted: 20 March 2006 / Published: 1 September 2006
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Abstract
In previous works we have shown that hydrazides are highly useful starting materials and intermediates in the synthesis of several heterocyclic compounds1-3 of potential biological activities.[...] Full article
Open AccessShort Note Synthesis of 6-chloro-2-(propargyloxy)quinoline-4-carboxylic acid and propargyl 6-chloro-2-(propargyloxy)quinoline-4-carboxylate
Molbank 2006, 2006(5), M486; https://doi.org/10.3390/M486
Received: 10 February 2006 / Accepted: 20 March 2006 / Published: 1 September 2006
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Abstract
The quinoline ring systems are important structural units in naturally occurring alkaloids and synthetic analogues with interesting biological activities.[...] Full article
Open AccessShort Note 2-[N-(O-ethylaminophenyl) phenyl imidoyl methylylidene]-3,5-diphenyl-1,3,4-thiadiazole
Molbank 2006, 2006(5), M487; https://doi.org/10.3390/M487
Received: 18 July 2006 / Accepted: 20 July 2006 / Published: 1 September 2006
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Abstract
4-phenyl-1,5-benzodiazepine-2-thione are used as starting materials in the synthesis of several heterocyclic compounds for potential biological actvities.[...] Full article
Open AccessShort Note Synthesis of 4-[4-(4-nitrobenzylideneiminophenylene)phenyleneimino methylidene] phenol
Molbank 2006, 2006(5), M488; https://doi.org/10.3390/M488
Received: 26 October 2005 / Accepted: 13 January 2006 / Published: 1 September 2006
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Abstract
The azomethine 1 was prepared as described elsewhere [1].[...] Full article
Open AccessShort Note Synthesis, Physical Characterization, Antibacterial and Antifungal Activities of 2-((E)-1-(2-((E)-1-(2-Hydroxyphenyl)ethylideneamino) phenylamino) ethyl) phenol
Molbank 2006, 2006(5), M489; https://doi.org/10.3390/M489
Received: 13 March 2006 / Accepted: 20 April 2006 / Published: 1 September 2006
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Abstract
In this paper we report the synthesis of 2-((E)-1-(2-((E)-1-(2-hydroxyphenyethylideneamino) phenylamino) ethyl) phenol.In addition to its synthesis we present AM1 and B3LYP/6-31G* calculations to characterize the physical properties of this molecule. Finally, the antifungal and antibacterial activities of this derivative have been evaluated. Full article
Open AccessShort Note New 1-(4-nitrophenyl)-5,5’-diisopropyl-3,3’-bipyrazole
Molbank 2006, 2006(5), M490; https://doi.org/10.3390/M490
Received: 1 May 2006 / Accepted: 18 July 2006 / Published: 1 September 2006
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Abstract
To a solution of 5,5’-diisopropyl-3,3’-bipyrazole 1 [1] (109 mg, 0.5 mmol) in DMSO (2 ml) was added solid potassium tert-butoxide (61 mg, 0.5 mmol) followed by addition of 4-fluoronitrobenzene (70.5 mg, 0.5 mmol) in DMSO (1 ml) through a syringe, according to literature
[...] Read more.
To a solution of 5,5’-diisopropyl-3,3’-bipyrazole 1 [1] (109 mg, 0.5 mmol) in DMSO (2 ml) was added solid potassium tert-butoxide (61 mg, 0.5 mmol) followed by addition of 4-fluoronitrobenzene (70.5 mg, 0.5 mmol) in DMSO (1 ml) through a syringe, according to literature procedure [2].[...] Full article
Open AccessShort Note New 1-(ethyl-ethanoate-yl)-5,5’-diisopropyl-3,3’-bipyrazole
Molbank 2006, 2006(5), M491; https://doi.org/10.3390/M491
Received: 1 May 2006 / Accepted: 18 July 2006 / Published: 1 September 2006
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Abstract
To a solution of 5,5’-diisopropyl-3,3’-bipyrazole 1 [1] (218 mg, 1 mmol) in DMSO (1 ml) was added solid potassium tert-butoxide (112 mg, 1 mmol) followed by addition of ethyle chloroacetate (123 mg, 1 mmol) in DMSO (1 ml) through a syringe[...] Full article
Open AccessShort Note Synthesis of 6,7-dimethoxy-3,4-diphenyl-2(1H)-quinazolinone from 1-(3,4-dimethoxyphenyl)-urea and benzoic acid in polyphosphoric acid
Molbank 2006, 2006(5), M492; https://doi.org/10.3390/M492
Received: 21 April 2006 / Accepted: 1 May 2006 / Published: 1 September 2006
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Abstract
The quinazoline skeleton, when selectively functionalized, is a building block for the preparation of numerous alkaloids and substances capable of exhibiting a wide variety of biological activity [1][...] Full article
Open AccessShort Note 1-{[Benzyl-(2-cyano-ethyl)-amino]-methyl}-5-methyl-1H-pyrazole-3-carboxylic acid methyl ester
Molbank 2006, 2006(5), M493; https://doi.org/10.3390/M493
Received: 19 July 2006 / Accepted: 31 July 2006 / Published: 1 September 2006
PDF Full-text (85 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
The products of aza-type Michael addition, i.e., β-amino carbonyl compounds and their derivatives, are often used as peptide analogs or precursors of optically active amino acids, amino alcohols, diamines, and lactams [1].[...] Full article
Open AccessShort Note 1-{[Benzyl-(2-cyano-ethyl)-amino]-methyl}-5-methyl-1H-pyrazole-3-carboxylic acid ethyl ester
Molbank 2006, 2006(5), M494; https://doi.org/10.3390/M494
Received: 19 July 2006 / Accepted: 31 July 2006 / Published: 1 September 2006
PDF Full-text (88 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
The products of aza-type Michael addition, i.e., β-amino carbonyl compounds and their derivatives, are often used as peptide analogs or precursors of optically active amino acids, amino alcohols, diamines, and lactams [1].[...] Full article
Open AccessShort Note 3-[Benzyl-(3,5-dimethyl-pyrazol-1-ylmethyl)-amino]-propionitrile
Molbank 2006, 2006(5), M495; https://doi.org/10.3390/M495
Received: 19 July 2006 / Accepted: 31 July 2006 / Published: 1 September 2006
PDF Full-text (87 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
The products of aza-type Michael addition, i.e., β-amino carbonyl compounds and their derivatives, are often used as peptide analogs or precursors of optically active amino acids, amino alcohols, diamines, and lactams [1].[...] Full article
Open AccessShort Note 3-[Benzyl-(1,5-dimethyl-1H-pyrazol-3-ylmethyl)-amino]-propionitrile
Molbank 2006, 2006(5), M496; https://doi.org/10.3390/M496
Received: 19 July 2006 / Accepted: 31 July 2006 / Published: 1 September 2006
PDF Full-text (86 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
The products of aza-type Michael addition, i.e., β-amino carbonyl compounds and their derivatives, are often used as peptide analogs or precursors of optically active amino acids, amino alcohols, diamines, and lactams [1].[...] Full article
Open AccessShort Note Synthesis and physical characterization of 1-(2,4-dimethoxyphenyl)-4-(4-nitrophenyl)-3-phenoxyazetidin-2-one
Molbank 2006, 2006(5), M497; https://doi.org/10.3390/M497
Received: 3 May 2006 / Accepted: 27 May 2006 / Published: 1 September 2006
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Abstract
In this paper we propose the synthesis of 1-(2,4-dimethoxyphenyl)-4-(4-nitrophenyl)-3- phenoxyazetidin-2-one as a new monocyclic β-lactam. Its structure has been confirmed by IR, 1H-NMR, 13C-NMR and Mass spectroscopic data. In addition to its synthesis we present AM1 calculations to characterize the physical
[...] Read more.
In this paper we propose the synthesis of 1-(2,4-dimethoxyphenyl)-4-(4-nitrophenyl)-3- phenoxyazetidin-2-one as a new monocyclic β-lactam. Its structure has been confirmed by IR, 1H-NMR, 13C-NMR and Mass spectroscopic data. In addition to its synthesis we present AM1 calculations to characterize the physical properties of the molecule. Full article
Open AccessShort Note (4Z)-1-Propargyl(1,3-Dipropargyl)-4-(2-oxopropylidene)-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-2-one
Molbank 2006, 2006(5), M498; https://doi.org/10.3390/M498
Received: 18 July 2006 / Accepted: 20 July 2006 / Published: 1 September 2006
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Abstract
We describe in this work the synthesis of new benzodiazepine derivatives susceptible to possess various pharmacological activities.[...] Full article
Open AccessShort Note (4Z)-1-Benzyl (1,3-Dibenzyl)-4-(2-oxopropylidene)-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-2-one
Molbank 2006, 2006(5), M499; https://doi.org/10.3390/M499
Received: 18 July 2006 / Accepted: 20 July 2006 / Published: 1 September 2006
PDF Full-text (100 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
We describe in this work the synthesis of new benzodiazepine derivatives susceptible to possess various pharmacological activities.[...] Full article
Open AccessShort Note 1-Nitro-3-[(phenylsulfonyl)methyl]benzene
Molbank 2006, 2006(5), M500; https://doi.org/10.3390/M500
Received: 6 July 2006 / Accepted: 1 August 2006 / Published: 1 September 2006
Cited by 1 | PDF Full-text (99 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
In the course of our work to prepare inhibitors of the enzyme dihydrofolate reductase, we desired to prepare sulfone analogues of some previously reported sulfides [1, 2].[...] Full article
Open AccessShort Note 1-Nitro-3-[(benzylsulfonyl)methyl]benzene
Molbank 2006, 2006(5), M501; https://doi.org/10.3390/M501
Received: 6 July 2006 / Accepted: 1 August 2006 / Published: 1 September 2006
Cited by 1 | PDF Full-text (99 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
In the course of our work to prepare inhibitors of the enzyme dihydrofolate reductase, we desired to prepare sulfone analogues of some similar sulfides [1, 2].[...] Full article
Open AccessShort Note 3-[(Phenylsulfonyl)methyl]aniline hydrochloride
Molbank 2006, 2006(5), M502; https://doi.org/10.3390/M502
Received: 6 July 2006 / Accepted: 1 August 2006 / Published: 1 September 2006
PDF Full-text (102 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
In the course of our work to prepare inhibitors of the enzyme dihydrofolate reductase, we desired to prepare sulfone analogues of some previously reported sulfides [1, 2].[...] Full article
Open AccessShort Note 3-[(Benzylsulfonyl)methyl]aniline hydrochloride
Molbank 2006, 2006(5), M503; https://doi.org/10.3390/M503
Received: 6 July 2006 / Accepted: 1 August 2006 / Published: 1 September 2006
PDF Full-text (102 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
In the course of our work to prepare inhibitors of the enzyme dihydrofolate reductase, we desired to prepare sulfone analogues of some similar sulfides [1, 2].[...] Full article
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