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Molbank, Volume 2006, Issue 1 (January 2006) – 10 articles

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105 KiB  
Short Note
2-(1-ethyl-but-2-enyloxy)-isoindole-1,3-dione
by Sergiu Coseri
Molbank 2006, 2006(1), M459; https://doi.org/10.3390/M459 - 25 Jan 2006
Viewed by 2585
Abstract
A degassed mixture containing 0.416 mmol 3-hexene and 0.083 mmol N-hydroxyphthalimide (NHPI),1,2 in 5 mL acetonitrile was added to a degassed solution of lead tetraacetate3 (0.041mmol in 5 mL acetonitrile) under nitrogen atmosphere at room temperature.[...] Full article
139 KiB  
Short Note
A one-step synthesis of pyrazolone
by Gernot A. Eller and Wolfgang Holzer
Molbank 2006, 2006(1), M464; https://doi.org/10.3390/M464 - 22 Jan 2006
Cited by 6 | Viewed by 3454
Abstract
Substituted 2-pyrazolin-5-ones play an important role as substructures of numerous pharmaceuticals, agrochemicals, dyes, pigments, as well as chelating agents and thus attract remarkable attention [1,2].[...] Full article
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132 KiB  
Short Note
Synthesis and acidic properties of new 1-phenylacetyl-3-ethyl-4-(4-hydroxybenzylidenamino)-4,5-dihydro-1H-1,2,4-triazol-5-one
by Haydar Yüksek, Muzaffer Alkan and Şule Bahçeci
Molbank 2006, 2006(1), M463; https://doi.org/10.3390/M463 - 22 Jan 2006
Viewed by 2471
Abstract
It is known that 1,2,4-triazole and 4,5-dihydro-1H-1,2,4-triazol-5-one rings have weak acidic properties, so some 1,2,4-triazole and 4,5-dihydro-1H-1,2,4-triazol-5-one derivatives were titrated potentiometrically with tetrabutylammonium hydroxide in non-aqueous solvents, and the pKa values of the compounds were determined [1,2,3].[...] Full article
130 KiB  
Short Note
Synthesis and acidic properties of novel 3-methyl-4-[(2-amino-1,3,4-thiadiazol-5-il)-thioacetylamino]-4,5-dihydro-1H-1,2,4-triazol-5-one
by Haydar Yüksek, Muzaffer Alkan and Şule Bahçeci
Molbank 2006, 2006(1), M462; https://doi.org/10.3390/M462 - 22 Jan 2006
Cited by 1 | Viewed by 2697
Abstract
A number of studies involving the determination of pKa values of some 4,5-dihydro-1H-1,2,4-triazol-5-one derivatives in non-aqueous solvents has been revealed [1,2,3].[...] Full article
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106 KiB  
Short Note
2-(cyclooct-2-enyloxy)-isoindole-1,3-dione
by Sergiu Coseri
Molbank 2006, 2006(1), M461; https://doi.org/10.3390/M461 - 22 Jan 2006
Viewed by 2592
Abstract
A degassed mixture containing 0.38 mmol cyclooctene and 0.0767 mmol N-hydroxyphthalimide (NHPI),1,2 in 5 mL acetonitrile was added to a degassed solution of lead tetraacetate3 (0.038 mmol in 5 mL acetonitrile) under nitrogen atmosphere, at room temperature.[...] Full article
104 KiB  
Short Note
2-(cyclohex-2-enyloxy)-isoindole-1,3-dione
by Sergiu Coseri
Molbank 2006, 2006(1), M460; https://doi.org/10.3390/M460 - 22 Jan 2006
Viewed by 2437
Abstract
A degassed mixture containing 0.245 mmol cyclohexene and 0.05 mmol N-hydroxyphthalimide (NHPI),1,2 in 5 mL acetonitrile was added to a degassed solution of lead tetraacetate3 (0.025 mmol in 5 mL acetonitrile) under nitrogen atmosphere at room temperature.[...] Full article
129 KiB  
Short Note
Synthesis of N,N'-bis (a-methylsalicylidene)-3,4'-diaminodiphenyl ether
by A. A. Jarrahpour and S. Rezaei
Molbank 2006, 2006(1), M458; https://doi.org/10.3390/M458 - 22 Jan 2006
Cited by 1 | Viewed by 2406
Abstract
There have been few reports about the synthesis and application of Schiff-base ligands derived from 2-hydroxyacetophenone [1].[...] Full article
152 KiB  
Short Note
Synthesis of 1-(2-aminopyridine)-4-phenyl-1-azabuta-1,3-diene and 1-(3-aminopyridine)-4-phenyl-1-azabuta-1,3-diene as heterodienes for iron carbonyl complexes
by A. A. Jarrahpour, A. R. Esmaeilbeig and A. Adabi Ardekani
Molbank 2006, 2006(1), M457; https://doi.org/10.3390/M457 - 22 Jan 2006
Viewed by 3130
Abstract
In this paper we propose the synthesis of 1-(2-aminopyridine)-4-phenyl-1-azabuta-1,3-diene and 1-(3-aminopyridine)-4-phenyl-1-azabuta-1,3-diene as new heterodienes for iron carbonyl complexes. Full article
119 KiB  
Short Note
Synthesis of N,N'-bis (a-methylsalicylidene) 4,4'-diaminodiphenylmethane as a novel complexing agent
by A. A. Jarrahpour and S. Rezaei
Molbank 2006, 2006(1), M456; https://doi.org/10.3390/M456 - 22 Jan 2006
Cited by 1 | Viewed by 2404
Abstract
Schiff base ligands are used in complexation with metals such as V(II) for the enantioselective oxidation of sulfides to chiral sulfoxides.[...] Full article
185 KiB  
Short Note
Synthesis and Physical Characterization of 2-((E)-1-(3-((E)-1-(2-hydroxyphenyl)ethylideneamino)-2-methylphenylimino)ethyl)phenol
by A. A. Jarrahpour, A. F. Jalbout, S. Rezaei and B. Trzaskowski
Molbank 2006, 2006(1), M455; https://doi.org/10.3390/M455 - 22 Jan 2006
Cited by 4 | Viewed by 3801
Abstract
In this paper we propose the synthesis of 2-((E)-1-(3-((E)-1-(2-hydroxyphenyl) ethylideneamino)-2-methylphenylimino) ethyl) phenol. In addition to its synthesis we present AM1 and B3LYP/6-31G* calculations to characterize the physical properties of the molecule. Full article
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