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Molbank, Volume 2014, Issue 1 (March 2014) – 10 articles

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Short Note
N-{[(4-Nitrophenyl)amino]methyl}benzamide
Molbank 2014, 2014(1), M821; https://doi.org/10.3390/M821 - 11 Mar 2014
Viewed by 2397
Abstract
We report the synthesis of N-{[(4-nitrophenyl)amino]methyl}benzamide from (benzamidomethyl)triethylammonium chloride and 4-nitroaniline in aqueous media. The structure of the newly synthesized compound was characterized on the basis of 1H-NMR, 13C-NMR and FTIR spectroscopy. Full article
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2-(4-(2-Chloroacetamido)-1-methyl-1H-pyrrole-2-carboxamido)ethyl Acetate
Molbank 2014, 2014(1), M820; https://doi.org/10.3390/M820 - 05 Mar 2014
Viewed by 2424
Abstract
The title compound 2-(4-(2-chloroacetamido)-1-methyl-1H-pyrrole-2-carboxamido)ethyl acetate was synthesized. The structure of the compound was fully characterized by 1H-NMR, 13C-NMR and mass spectral analysis. Full article
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N,N-Dibenzyl-1-(1-[(4-methyl-2-phenyl-4,5-dihydrooxazol-4-yl)methyl)]-1H-1,2,3-triazol-4-yl)methanamine
Molbank 2014, 2014(1), M819; https://doi.org/10.3390/M819 - 03 Mar 2014
Cited by 4 | Viewed by 2479
Abstract
The title compound, N,N-dibenzyl-1-(1-[(4-methyl-2-phenyl-4,5-dihydrooxazol-4-yl)methyl)]-1H-1,2,3-triazol-4-yl)methanamine was synthesized in high yield by 1,3-dipolar cycloaddition reaction of 4-(azidomethyl)-4-methyl-2-phenyl-4,5-dihydrooxazole and N,N-dibenzylprop-2-yn-1-amine in toluene at reflux. The structure of this product was established on the basis of NMR spectroscopy (1H, 13C), Elemental Analysis and MS data. Full article
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Short Note
[7-(Fluoromethyl)-2-naphthyl]methanol
Molbank 2014, 2014(1), M818; https://doi.org/10.3390/M818 - 26 Feb 2014
Cited by 1 | Viewed by 2614
Abstract
The title compound was synthesized from 2,7-bis(bromomethyl)naphthalene via two step sequence-partial halogen exchange, followed by hydrolysis. The structure of this product was established by 1H-NMR, 13C-NMR, 19F-NMR, FT-IR spectroscopy and elemental analysis. Full article
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Editorial
Acknowledgement to Reviewers of Molbank in 2013
Molbank 2014, 2014(1), M817; https://doi.org/10.3390/M817 - 26 Feb 2014
Cited by 1 | Viewed by 1911
Abstract
The editors of Molbank would like to express their sincere gratitude to the following reviewers for assessing manuscripts in 2013. [...] Full article
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2,3-Bis(4-(3-(trifluoromethyl)-3H-diazirin-3-yl)phenyl)oxirane
Molbank 2014, 2014(1), M816; https://doi.org/10.3390/M816 - 24 Feb 2014
Viewed by 2729
Abstract
The title compound, which has two photoreactive groups in a molecule, was synthesized by the coupling reaction of 3-(4-(bromomethyl)phenyl)-3-(trifluoromethyl)-3H-diazirine in the presence of silver oxide in DMSO. Full article
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4-(Hexyloxy)aniline-linked chitooligosaccharide-2,5-anhydro-D-mannofuranose
Molbank 2014, 2014(1), M815; https://doi.org/10.3390/M815 - 12 Feb 2014
Cited by 5 | Viewed by 2807
Abstract
Low molecular weight chitooligosaccharide with one 2,5-anhydro-D-mannofuranose unit at the reducing end (COSamf) was prepared by nitrous deamination of fully N-deacetylated chitosan. The functionalization of the amf unit by reductive amination with 4-(hexyloxy)aniline in presence of NaBH3CN was achieved in [...] Read more.
Low molecular weight chitooligosaccharide with one 2,5-anhydro-D-mannofuranose unit at the reducing end (COSamf) was prepared by nitrous deamination of fully N-deacetylated chitosan. The functionalization of the amf unit by reductive amination with 4-(hexyloxy)aniline in presence of NaBH3CN was achieved in high yield. The chemical structure of the targeted 4-(hexyloxy)aniline-linked chitooligosaccharide-2,5-anhydro-D-mannofuranose was fully characterized by NMR spectroscopy, MALDI-TOF mass spectrometry and size-exclusion chromatography. This synthesis opens the way to a new generation of COSamf derivatives with potential amphiphilic properties. Full article
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Short Note
2-{(E)-2-[(3E)-2-Chloro-3-{(2E)-2-[1,1-dimethyl-3-(3-phenylpropyl)-1,3-dihydro-2H-benzo[e]indol-2-ylidene]-ethylidene}cyclohex-1-en-1-yl]ethenyl}-1,1-dimethyl-3-(3-phenylpropyl)-1H-benzo[e]indolium Iodide
Molbank 2014, 2014(1), M814; https://doi.org/10.3390/M814 - 30 Jan 2014
Cited by 1 | Viewed by 2912
Abstract
In four synthetic steps we successfully prepared a red-shifted heptamethine cyanine dye (λmax = 825 nm in methanol) that could be very useful for biochemists and bioanalytical chemists for probing lipophilic environments, including the hydrophobic pockets of enzymes. The heptamethine dye structure [...] Read more.
In four synthetic steps we successfully prepared a red-shifted heptamethine cyanine dye (λmax = 825 nm in methanol) that could be very useful for biochemists and bioanalytical chemists for probing lipophilic environments, including the hydrophobic pockets of enzymes. The heptamethine dye structure was characterized by various spectroscopic techniques including 1H-NMR, 13C-NMR and high-resolution accurate mass spectroscopy (HRMS). We have also shown the hydrophobicity spectrally by varying methanol/water ratios and observing corresponding absorbance and fluorescence spectral changes. Full article
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Short Note
Diethyl 2,2'-[Biphenyl-4,4'-diyldihydrazin-2-yl-1-ylidene]bis(chloroacetate)
Molbank 2014, 2014(1), M813; https://doi.org/10.3390/M813 - 22 Jan 2014
Cited by 4 | Viewed by 2381
Abstract
Diethyl 2,2'-[biphenyl-4,4'-diyldihydrazin-2-yl-1-ylidene]bis(chloroacetate) was synthesized in high yield via Japp–Klingemann reaction. The structure of this compound was fully characterized by IR, 1H-NMR, 13C-NMR, Mass spectra and elemental analysis. Full article
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Short Note
4,8-Bisallyl-2,6-dimethylnaphthalene-1,5-diyl Diacetate
Molbank 2014, 2014(1), M812; https://doi.org/10.3390/M812 - 13 Jan 2014
Cited by 1 | Viewed by 2746
Abstract
4,8-Diallyl-2,6-dimethylnaphthalene-1,5-diyl diacetate (1) which is a highly substituted naphthalene derivative has been synthesized in two steps starting from 2,6-dimethyl-1,5-naphthalenediol (3) using a modified Claisen-rearrangement. Full article
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