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Molbank, Volume 2008, Issue 1 (March 2008) – 5 articles

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97 KiB  
Short Note
Synthesis of New β-enaminones of Isoquinolines with 5,5-dimethyl-cyclohexanedione
by Iliyan Ivanov and Stoyanka Nikolova
Molbank 2008, 2008(1), M565; https://doi.org/10.3390/M565 - 25 Mar 2008
Cited by 30 | Viewed by 3207
Abstract
Enaminones are chemical compounds incorporating an amino group linked through a C=C to carbonyl group.[...] Full article
105 KiB  
Short Note
Synthesis of 3,5-di-(4-pyridyl)-1H-1,2,4-triazole
by Li-Li Liu and Guang Yang
Molbank 2008, 2008(1), M563; https://doi.org/10.3390/M563 - 25 Mar 2008
Cited by 30 | Viewed by 4446
Abstract
4-Amino-3,5-di-(4-pyridyl)-4H-1,2,4-triazole (1) and 3,5-di-(4-pyridyl)-1H-1,2,4-triazole (2) are potential multi-topic bridging ligands in preparation of coordination compounds of 1 – 3D structures.[...] Full article
127 KiB  
Short Note
Oxygen-Containing 10-, 15-, and 20-Membered Macrocyclic Cobalt Complexes from Co2(CO)6-Bispropargylic Alcohol
by David Díaz Díaz, Juan Pedro Ceñal and Víctor S. Martín
Molbank 2008, 2008(1), M562; https://doi.org/10.3390/M562 - 25 Mar 2008
Cited by 30 | Viewed by 5475
Abstract
Novel 10-, 15-, and 20-membered oxygen-containing macrocyclic cobalt complexes (3, 4, and 5 respectively) were obtained in moderate combined yield via double nucleophilic substitution of the hexacarbonyldicobalt-coordinated monoyne diol [{Co2(CO)6(μ-η2-HOCH2C≡CCH2OH)}] (1) upon BF [...] Read more.
Novel 10-, 15-, and 20-membered oxygen-containing macrocyclic cobalt complexes (3, 4, and 5 respectively) were obtained in moderate combined yield via double nucleophilic substitution of the hexacarbonyldicobalt-coordinated monoyne diol [{Co2(CO)6(μ-η2-HOCH2C≡CCH2OH)}] (1) upon BF3·OEt2 treatment in the presence of (Z)-2-butene-1,4-diol (2) at room temperature. The products distribution was found to be highly concentration dependent. Full article
220 KiB  
Short Note
Microwave Synthesis of (4-hydroxy Phenyl) 3-oxo butanoate
by Mohammed Ramdani, Nour-Eddine Benchat, Abderrahmane Anaflous and Fouad El Kalai
Molbank 2008, 2008(1), M561; https://doi.org/10.3390/M561 - 25 Mar 2008
Cited by 30 | Viewed by 3853
Abstract
The product 3 was previously prepared [1] using C6H6 in the presence of pyridine. A mixture of hydroquinone 1 (0.66 g, 6 mmol), ethyl acetoacetate 2 (0.78 g, 6 mmol) and monmorillonite K10 (0.43 g, 30 % by weight of [...] Read more.
The product 3 was previously prepared [1] using C6H6 in the presence of pyridine. A mixture of hydroquinone 1 (0.66 g, 6 mmol), ethyl acetoacetate 2 (0.78 g, 6 mmol) and monmorillonite K10 (0.43 g, 30 % by weight of the total reactants) [2,3] was placed in a pyrex tube which was then introduced into a Maxidigest MX 350 Prolabo microwave monomode reactor fitted with a rotational system [4]. Full article
101 KiB  
Short Note
New Route to Metformin Hydrochloride (N,N-dimethylimidodicarbonimidic diamide hydrochloride) Synthesis
by Anvar Shalmashi
Molbank 2008, 2008(1), M564; https://doi.org/10.3390/M564 - 25 Feb 2008
Cited by 30 | Viewed by 12985
Abstract
In this work, microwave (MW) assisted synthesis of metformin hydrochloride was performed on thin layer chromatography (TLC) plates. This versatile, simple and economical green methodology is readily amendable to parallel synthesis of metformin hydrochloride libraries. Full article
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