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Molbank, Volume 2011, Issue 2 (June 2011)

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Open AccessShort Note 1,3-Bis(pyren-1-yl)imidazolium chloride (IPyr·HCl)
by and
Molbank 2011, 2011(2), M729; https://doi.org/10.3390/M729
Received: 14 April 2011 / Accepted: 10 June 2011 / Published: 17 June 2011
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Abstract
A novel UV-A-light absorbing N-heterocyclic carbene precursor imidazolium salt 2 was synthesized by reaction of 1,4-bis(pyren-1-yl)-1,4-diazadiene 1 with paraformaldehyde in the presence of chlorotrimethylsilane. The title compound was characterized by 1H-NMR, 13C-NMR, 2D-NMR, mass spectrometry, IR and UV/VIS spectroscopy. Full article
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Open AccessShort Note 8-[2-Chloro-5-(trifluoromethyl)phenyl]-4H-[1,2,4]oxadiazolo-[3,4-c][1,4]benzoxazin-1-one
by and
Molbank 2011, 2011(2), M728; https://doi.org/10.3390/M728
Received: 10 May 2011 / Accepted: 24 May 2011 / Published: 30 May 2011
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Abstract
8-Bromo-4H-[1,2,4]oxadiazolo[3,4-c][1,4]benzoxazin-1-one 1 (NS2028) reacts with [2-chloro-5-(trifluoromethyl)phenyl]boronic acid 2 (2 equiv), Pd(OAc)2 (10 mol%) and KOAc (4 equiv) in acetonitrile heated to ca. 110 °C (sealed tube) for 12 hours to give 8-[2-chloro-5-(trifluoromethyl)phenyl]-4H-[1,2,4]oxadiazolo[3,4-c][1,4]benzoxazin-1-one 4 in 64% yield. Full article
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Open AccessShort Note (2E)-3-(4-Dimethylaminophenyl)-1-(2,5-dimethylfuran-3-yl)-prop-2-en-1-one
by and
Molbank 2011, 2011(2), M727; https://doi.org/10.3390/M727
Received: 16 March 2011 / Accepted: 11 May 2011 / Published: 16 May 2011
Cited by 2 | PDF Full-text (101 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
The title compound, (2E)-3-(4-dimethylaminophenyl)-1-(2,5-dimethylfuran-3-yl)-prop-2-en-1-one (3) was synthesized in high yield by reaction of 3-acetyl-2,5-dimethylfuran and 4-dimethyl­aminobenzaldehyde in the presence of 30% NaOH solution. The compound was fully characterized from its IR, 1H NMR, 13C NMR, GC-MS data and elemental analysis. Full article
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Open AccessShort Note 2-(Benzoylamino)-3-(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)acrylic acid
by , and
Molbank 2011, 2011(2), M726; https://doi.org/10.3390/M726
Received: 11 March 2011 / Accepted: 9 May 2011 / Published: 11 May 2011
Cited by 2 | PDF Full-text (85 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
A novel acrylic acid derivative was synthesized via acid hydrolysis of 4-((5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene)-2-phenyloxazol-5(4H)-one in gl. acetic acid. The structure of the title compound was established on the basis of IR, 1H NMR, 13C-NMR and mass spectral data. Full article
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Open AccessShort Note 4-[(Anthracen-9-ylmethylene)amino]-1,5-dimethyl-2-phenyl-1,2-dihydropyrazol-3-one
by and
Molbank 2011, 2011(2), M725; https://doi.org/10.3390/M725
Received: 24 March 2011 / Accepted: 6 May 2011 / Published: 9 May 2011
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Abstract
The title compound, 4-[(anthracen-9-ylmethylene)amino]-1,5-dimethyl-2-phenyl-1,2-dihydropyrazol-3-one (3), was synthesized in high yield by reaction of anthracene-9-carbaldehyde and 4-aminoantipyrine in ethanol. The structure of this new compound was confirmed by elemental analysis, IR, 1H NMR, 13C NMR and GC-MS spectral data. Full article
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Open AccessShort Note 4-(3,5-Dibromo-4-hydroxyphenyl)-3-butoxycarbonyl-5-ethoxycarbonyl-2-methyl-6-phenyl-1,4-dihydropyridine
by and
Molbank 2011, 2011(2), M724; https://doi.org/10.3390/M724
Received: 2 April 2011 / Accepted: 15 April 2011 / Published: 26 April 2011
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Abstract
One-pot two-step Hantzsch synthesis of 4-(3,5-dibromo-4-hydroxyphenyl)-3- butoxycarbonyl-5-ethoxycarbonyl-2-methyl-6-phenyl-1,4-dihydropyridine under solvent- and catalyst-free conditions promoted with microwave irradiation is presented. Full article
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Open AccessShort Note 4-{[(4-Fluorophenyl)imino]methyl}-3-hydroxyphenyl 4-(Hexadecanoyloxy)benzoate
by , and
Molbank 2011, 2011(2), M723; https://doi.org/10.3390/M723
Received: 12 January 2011 / Accepted: 18 March 2011 / Published: 1 April 2011
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Abstract
A new Schiff base ester, 4-{[(4-fluorophenyl)imino]methyl}-3-hydroxyphenyl 4-(hexadecanoyloxy)benzoate was synthesized and its IR, 1H NMR, 13C NMR and EI-MS spectroscopic data are presented. Full article
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