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Molbank, Volume 2012, Issue 2 (June 2012)

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Open AccessShort Note Methyl 6-Methyl-1-(4-methylphenyl)-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxylate
Molbank 2012, 2012(2), M752; doi:10.3390/M752
Received: 20 December 2011 / Accepted: 9 April 2012 / Published: 17 April 2012
PDF Full-text (138 KB) | Supplementary Files
Abstract Methyl 6-methyl-1-(4-methylphenyl)-2-oxo-4-phenyl-1,2,3,4-tetrahydro-pyrimidine-5-carboxylate has been synthesized via the modified Biginelli reaction from benzaldehyde, p-tolylurea, and methyl acetoacetate, promoted with microwave irradiation and catalyzed by TsOH under solvent-free conditions in high yield. Full article
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Open AccessShort Note 4-{[(4-Methoxyphenyl)imino]methyl}-3-hydroxyphenyl 4-(Hexadecanoyloxy)benzoate
Molbank 2012, 2012(2), M753; doi:10.3390/M753
Received: 27 February 2012 / Accepted: 9 April 2012 / Published: 17 April 2012
PDF Full-text (108 KB) | Supplementary Files
Abstract A new Schiff base ester, 4-{[(4-methoxyphenyl)imino]methyl}-3-hydroxyphenyl 4-(hexadecanoyloxy)benzoate was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented. Full article
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Open AccessShort Note N,N’-Bis-(2,5-dimethyl-3-oxo-1-phenyl-2,3-dihydro-1H-pyrazol-4-yl)phthalamide
Molbank 2012, 2012(2), M754; doi:10.3390/M754
Received: 14 February 2012 / Accepted: 17 April 2012 / Published: 18 April 2012
PDF Full-text (274 KB) | Supplementary Files
Abstract
The title compound, N,N’-bis-(2,5-dimethyl-3-oxo-1-phenyl-2,3-dihydro-1H-pyrazol-4-yl)phthalamide has been synthesized by reactions of o-phthaloyl chloride with 4-amino-2,5-dimethyl-1-phenyl-3-oxo-1H-pyrazolone in acetonitrile. The structure of the new compound was characterized by FT-IR, 1H NMR, 13C NMR and mass spectroscopic techniques. [...] Read more.
The title compound, N,N’-bis-(2,5-dimethyl-3-oxo-1-phenyl-2,3-dihydro-1H-pyrazol-4-yl)phthalamide has been synthesized by reactions of o-phthaloyl chloride with 4-amino-2,5-dimethyl-1-phenyl-3-oxo-1H-pyrazolone in acetonitrile. The structure of the new compound was characterized by FT-IR, 1H NMR, 13C NMR and mass spectroscopic techniques. Physical parameters of the compound such as melting point, solubility, λmax were examined. Full article
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Open AccessShort Note 4-{[(4-Bromophenyl)imino]methyl}-3-hydroxyphenyl 4-(Hexadecanoyloxy)benzoate
Molbank 2012, 2012(2), M755; doi:10.3390/M755
Received: 7 February 2012 / Accepted: 17 April 2012 / Published: 20 April 2012
PDF Full-text (85 KB) | Supplementary Files
Abstract A new Schiff base ester, 4-{[(4-bromophenyl)imino]methyl}-3-hydroxyphenyl 4-(hexadecanoyloxy)benzoate was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented. Full article
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Open AccessShort Note 7-{[2-(4-Hydroxyphenyl)methylidene]amino}-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-3-{[(2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)sulfanyl]methyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
Molbank 2012, 2012(2), M756; doi:10.3390/M756
Received: 27 March 2012 / Accepted: 2 May 2012 / Published: 10 May 2012
PDF Full-text (86 KB) | Supplementary Files
Abstract Novel 7-{[2-(4-hydroxyphenyl)methylidene]amino}-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}-3-{[(2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)sulfanyl]methyl}-8-oxo-5-thia-1azabicyclo [4.2.0]oct-2-ene-2-carboxylic acid was prepared by condensation of ceftriaxone disodium (1) with 4-hydroxybenzaldehyde (2) in ethanol under reflux conditions for 3–4 h. The structure of synthesized compound was elucidated using LCMS, 1H-NMR, and CHN techniques. Full article
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Open AccessShort Note tert-Butyl 1-(Furan-2-yl)-4-oxo-2,3,7-triazaspiro[4.5]dec-1-ene-7-carboxylate
Molbank 2012, 2012(2), M757; doi:10.3390/M757
Received: 27 February 2012 / Accepted: 11 May 2012 / Published: 24 May 2012
PDF Full-text (110 KB) | Supplementary Files
Abstract
A simple and novel route for synthesis of new spirocyclic compound is developed. The present work involves condensation of ethyl nipecotate with 2-furaldehyde followed by the MnO2 oxidation to give the β-keto ester which upon reaction with hydrazine hydrate gives [...] Read more.
A simple and novel route for synthesis of new spirocyclic compound is developed. The present work involves condensation of ethyl nipecotate with 2-furaldehyde followed by the MnO2 oxidation to give the β-keto ester which upon reaction with hydrazine hydrate gives the spiro pyrazolone. Full article
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Open AccessShort Note 3-(1H-Indol-3-yl)-4-(morpholin-4-yl)cyclobut-3-ene-1,2-dione
Molbank 2012, 2012(2), M758; doi:10.3390/M758
Received: 2 March 2012 / Accepted: 1 June 2012 / Published: 7 June 2012
PDF Full-text (106 KB) | Supplementary Files
Abstract 3-(1H-Indol-3-yl)-4-(morpholin-4-yl)cyclobut-3-ene-1,2-dione was obtained in good yields (72–82%) by nucleophilic substitution of 3-chloro-4-(1H-indol-3-yl)cyclobut-3-ene-1,2-dione with morpholine. Full article
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Open AccessShort Note 4-{[(4-Chlorophenyl)imino]methyl}-3-hydroxyphenyl 4-(Hexadecanoyloxy)benzoate
Molbank 2012, 2012(2), M759; doi:10.3390/M759
Received: 20 April 2012 / Accepted: 29 May 2012 / Published: 7 June 2012
PDF Full-text (80 KB) | Supplementary Files
Abstract A new Schiff base ester, 4-{[(4-chlorophenyl)imino]methyl}-3-hydroxyphenyl 4-(hexadecanoyloxy)benzoate was synthesized and its IR, 1H-NMR, 13C-NMR and MS spectroscopic data are presented. Full article
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Open AccessShort Note 2,2'-Thio-bis[(4-methylphenyl)-2-aminobenzoate]
Molbank 2012, 2012(2), M760; doi:10.3390/M760
Received: 2 June 2012 / Accepted: 15 June 2012 / Published: 15 June 2012
PDF Full-text (79 KB) | Supplementary Files
Abstract
A novel symmetrical bisamine derivative (4) was synthesized by condensation reaction of 2,2'-thio-bis[4-methylphenol] (1) and isatoic anhydride in acetonitrile as solvent in the presence of K2CO3 under reflux conditions. The structure of the title compound [...] Read more.
A novel symmetrical bisamine derivative (4) was synthesized by condensation reaction of 2,2'-thio-bis[4-methylphenol] (1) and isatoic anhydride in acetonitrile as solvent in the presence of K2CO3 under reflux conditions. The structure of the title compound was established on the basis of elemental analysis, FT-IR, 1H-NMR, 13C-NMR and mass spectral data. Full article
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Open AccessShort Note 2,3,4,6-Tetra-O-benzyl-1-C-phenyl-α-D-glucopyranosyl 2,3,4,6-Tetra-O-benzyl-α-D-glucopyranoside
Molbank 2012, 2012(2), M761; doi:10.3390/M761
Received: 7 June 2012 / Accepted: 15 June 2012 / Published: 15 June 2012
PDF Full-text (187 KB) | Supplementary Files
Abstract The title compound 1 was synthesized by the coupling reaction of 2,3,4,6-tetra-O-benzyl-1-C-phenyl-α-D-glucopyranose (2) with 2,3,4,6-tetra-O-benzyl-D-glucopyranose (3) in the presence of 5 mol% bismuth(III) triflate in dichloromethane at 0 °C. Full article
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