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Molbank, Volume 2011, Issue 3 (September 2011) – 9 articles

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86 KiB  
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4-{[(4-Methylphenyl)imino]methyl}-3-hydroxyphenyl 4-(Hexadecanoyloxy)benzoate
by Sie-Tiong Ha, Guan-Yeow Yeap and Peng-Lim Boey
Molbank 2011, 2011(3), M738; https://doi.org/10.3390/M738 - 23 Sep 2011
Cited by 76 | Viewed by 3305
Abstract
A new Schiff base, 4-{[(4-methylphenyl)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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107 KiB  
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2-tert-Butyl-5,6,7,8,9,10-hexahydrocyclohepta[b]indole
by Hannes Falke, Katharina Bumiller, Sabrina Harbig, Andreas Masch, Janina Wobbe and Conrad Kunick
Molbank 2011, 2011(3), M737; https://doi.org/10.3390/M737 - 21 Sep 2011
Cited by 40 | Viewed by 4532
Abstract
2-tert-Butyl-5,6,7,8,9,10-hexahydrocyclohepta[b]indole was synthesized by reaction of cycloheptanone and (4-tert-butylphenyl)hydrazine hydrochloride in the presence of sodium acetate and sulfuric acid in glacial acetic acid via Fischer indole synthesis. Full article
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87 KiB  
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Anthracen-9-ylmethylene-(3,4-dimethylisoxazol-5-yl)amine
by Abdullah M. Asiri and Salman A. Khan
Molbank 2011, 2011(3), M736; https://doi.org/10.3390/M736 - 13 Sep 2011
Cited by 21 | Viewed by 3897
Abstract
The title compound, anthracen-9-ylmethylene-(3,4-dimethylisoxazol-5-yl)amine (3), was synthesized in high yield by reaction of anthracene-9-carbaldehyde and 5-amino-3,4-dimethyl­isoxazole in ethanol. The structure of this new compound was confirmed by elemental analysis, IR, 1H NMR, 13C NMR and GC-MS spectral analysis. Full article
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169 KiB  
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4-({[4-(Methylthio)phenyl]methylene}amino)phenyl Dodecanoate
by Sie-Tiong Ha, Teck-Leong Lee, Yip-Foo Win and Guan-Yeow Yeap
Molbank 2011, 2011(3), M735; https://doi.org/10.3390/M735 - 09 Sep 2011
Cited by 24 | Viewed by 3761
Abstract
A new Schiff base ester, 4-({[4-(methylthio)phenyl]methylene}amino)phenyl dodecanoate was synthesized and its IR, 1H NMR, 13C NMR and EI-MS spectroscopic data are presented. Full article
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75 KiB  
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3-Chloro-N'-(2-hydroxy-4-pentadecylbenzylidene) benzothiophene-2-carbohydrazide
by Gadada Naganagowda and Amorn Petsom
Molbank 2011, 2011(3), M734; https://doi.org/10.3390/M734 - 01 Sep 2011
Cited by 10 | Viewed by 4023
Abstract
The title compound, 3-chloro-N'-(2-hydroxy-4-pentadecylbenzylidene)­benzo[b]thiophene-2-carbohydrazide has been synthesized by reaction of 2-hydroxy-4-pentadecylbenzaldehyde with 3-chloro-1-benzo[b]thiophene-2-carboxylic acid hydrazide in the presence of acetic acid in ethanol. The structure of this new compound was confirmed by elemental analysis, IR, 1H-NMR, 13C-NMR and mass spectral analysis. Full article
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134 KiB  
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5-[(5-Chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene]-2-(4-nitrobenzoyl)-3-phenyl-2,5-dihydro-1,2,4-triazin-6(1H)-one
by Darpan Kaushik and Tarawanti Verma
Molbank 2011, 2011(3), M733; https://doi.org/10.3390/M733 - 11 Aug 2011
Cited by 53 | Viewed by 3946
Abstract
A novel 1,2,4-triazin-6-one derivative (2) was synthesized by the reaction of the oxazolone derivative 1 with 4-nitrobenzoic acid hydrazide in the presence of sodium acetate and glacial acetic acid. The title compound 2 was characterized on basis of IR, 1H-NMR, [...] Read more.
A novel 1,2,4-triazin-6-one derivative (2) was synthesized by the reaction of the oxazolone derivative 1 with 4-nitrobenzoic acid hydrazide in the presence of sodium acetate and glacial acetic acid. The title compound 2 was characterized on basis of IR, 1H-NMR, 13C-NMR and mass spectral data. Full article
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91 KiB  
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4-{[(4-Iodophenyl)imino]methyl}phenyl Octadecanoate
by Sie-Tiong Ha, Teck-Leong Lee, Yip-Foo Win and Guan-Yeow Yeap
Molbank 2011, 2011(3), M732; https://doi.org/10.3390/M732 - 10 Aug 2011
Cited by 53 | Viewed by 3851
Abstract
A new Schiff base ester, 4-{[(4-iodophenyl)imino]methyl}phenyl octadecanoate was synthesized and its IR, 1H NMR, 13C NMR and EI-MS spectroscopic data are presented. Full article
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155 KiB  
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N-[1-(1H-Benzimidazol-2-yl)-2-(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)vinyl]benzamide
by Darpan Kaushik and Namita Maan
Molbank 2011, 2011(3), M731; https://doi.org/10.3390/M731 - 25 Jul 2011
Cited by 37 | Viewed by 3990
Abstract
A novel benzimidazole derivative (2) was synthesized by hydrolyzing 4-[(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene]-2-phenyloxazol-5(4H)-one (1), the azlactone precursor in an acidic medium and treating the product with o-phenylenediamine (OPDA) in situ. The structure of the title compound (2 [...] Read more.
A novel benzimidazole derivative (2) was synthesized by hydrolyzing 4-[(5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene]-2-phenyloxazol-5(4H)-one (1), the azlactone precursor in an acidic medium and treating the product with o-phenylenediamine (OPDA) in situ. The structure of the title compound (2) was established on basis of FT-IR, 1H-NMR, 13C-NMR and mass spectral data. Full article
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254 KiB  
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2,3-Diaminophenazine
by Pandeng Zhou, Hao Liu, Shicheng Chen, Lucian Lucia, Huaiyu Zhan and Shiyu Fu
Molbank 2011, 2011(3), M730; https://doi.org/10.3390/M730 - 18 Jul 2011
Cited by 20 | Viewed by 7116
Abstract
Herein, we synthesized 2,3-diaminophenazine (DAP) from o-phenylenediamine (OP) using fungal laccase as a biocatalyst. The conversion ratio of OP monomer was 85% and the yield of the final purified product, DAP, was 63%. The structure of the main product, DAP, was confirmed by [...] Read more.
Herein, we synthesized 2,3-diaminophenazine (DAP) from o-phenylenediamine (OP) using fungal laccase as a biocatalyst. The conversion ratio of OP monomer was 85% and the yield of the final purified product, DAP, was 63%. The structure of the main product, DAP, was confirmed by using several spectroscopy techniques (UV-VIS, IR, 2D-NMR, and MS). Full article
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