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Molbank, Volume 2010, Issue 2 (June 2010) – 20 articles

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75 KiB  
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(8-Chloro-3-methyl-1H-pyrazolo[4,3-c]cinnolin-1-yl) (pyridin-4-yl)methanone
by Sandhya Bawa, Rajiv Kumar, Gita Chawla, Suresh Kumar and Ravinesh Mishra
Molbank 2010, 2010(2), M688; https://doi.org/10.3390/M688 - 23 Jul 2010
Cited by 1 | Viewed by 5184
Abstract
(8-Chloro-3-methyl-1H-pyrazolo[4,3-c]cinnolin-1-yl) (pyridin-4-yl)methanone 2 has been synthesized through condensation of 3-acetyl-6-chloro-1H-cinnolin-4-one 1 with isonicotinic acid hydrazide (INH) in absolute ethanol. The structure of the title compound 2 was established on the basis of IR, 1H-NMR, 13C-NMR and mass spectral data. Full article
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85 KiB  
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(2E)-3-(3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)-1-(2,5-dimethyl-3-furanyl)prop-2-en-1-one
by Abdullah Mohamed Asiri and Salman A. Khan
Molbank 2010, 2010(2), M687; https://doi.org/10.3390/M687 - 8 Jun 2010
Cited by 1 | Viewed by 5880
Abstract
The title compound, (2E)-3-(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)-1-(2,5-dimethyl-3-furanyl)prop-2-en-1-one (3) was synthesized in high yield by an aldol condensation between 3-acetyl-2,5-dimethylfuran and 3,5-dimethyl-1-phenylpyrazole-4-carboxaldehyde in ethanolic NaOH at room temperature. Its structure was fully characterized by elemental analysis, IR, 1H NMR, 13C NMR and EI-MS spectral analysis. Full article
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149 KiB  
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3-Hydroxy-4-{[(4-methoxyphenyl)imino]methyl}phenyl Octadecanoate
by Sie-Tiong Ha, Jun-Kit Beh, Kok-Leei Foo, Teck-Ming Koh and Siew-Teng Ong
Molbank 2010, 2010(2), M686; https://doi.org/10.3390/M686 - 8 Jun 2010
Viewed by 5552
Abstract
A new Schiff base ester, 3-hydroxy-4-{[(4-methoxyphenyl)imino]methyl}phenyl octadecanoate, was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented. Full article
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191 KiB  
Short Note
9-Methyl-3,5-dioxo-4-azatricyclo[5.2.2.02,6]undec-8-ene-1,8-diyl Diacetate
by Anna Bielenica and Jerzy Kossakowski
Molbank 2010, 2010(2), M685; https://doi.org/10.3390/M685 - 25 May 2010
Cited by 1 | Viewed by 4537
Abstract
9-Methyl-3,5-dioxo-4-azatricyclo[5.2.2.02,6]undec-8-ene-1,8-diyl diacetatewas synthesized from 2-methylcyclohexane-1,3-dione and 1H-pyrrole-2,5-dione. The title compound was characterized by 1H NMR, 13C NMR, elemental analysis and MS. Full article
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86 KiB  
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N-[(9-Ethyl-9H-carbazol-3-yl)methylene]-3,4-dimethylisoxazol-5-amine
by Abdullah Mohamed Asiri, Salman A. Khan and Mohammed G. Rasul
Molbank 2010, 2010(2), M684; https://doi.org/10.3390/M684 - 25 May 2010
Cited by 3 | Viewed by 6127
Abstract
The title compound, N-[(9-ethyl-9H-carbazol-3-yl)methylene]-3,4-dimethylisoxazol-5-amine has been synthesized by reaction of 9-ethyl-9H-carbazole-3-carbaldehyde with 5-amino-3,4-dimethylisoxazole 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 EI-MS spectral analysis. Full article
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183 KiB  
Short Note
2,2'-(2,2'-Oxybis(ethane-2,1-diyl)bis(oxy))bis(N-(2,2'-bithiophen-5-ylmethylene)aniline)
by Bruno Pedras, Daniel Gallego, Patrick Figueiredo, Júlio Dinis Nunes-Miranda, José Luis Capelo and Carlos Lodeiro
Molbank 2010, 2010(2), M683; https://doi.org/10.3390/M683 - 11 May 2010
Cited by 1 | Viewed by 7154
Abstract
A new flexible fluorescent compound L derived from 1,5-bis(2-aminophenoxy)-3-oxapentane (A) has been synthesized by classical Schiff-base reaction between (A) and 2,2´-bithiophene carbaldehyde (B). The same synthesis was reproduced by a green methodology using an ultrasonication reaction in [...] Read more.
A new flexible fluorescent compound L derived from 1,5-bis(2-aminophenoxy)-3-oxapentane (A) has been synthesized by classical Schiff-base reaction between (A) and 2,2´-bithiophene carbaldehyde (B). The same synthesis was reproduced by a green methodology using an ultrasonication reaction in a classical sonication bath. The structure of the new compound was confirmed by elemental analysis, IR, 1H-NMR, MALDI-TOF-MS and EI-MS-spectra, UV-vis and fluorescence emission spectroscopy. Full article
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161 KiB  
Short Note
N-[(2,5-Dimethyl-3-oxo-1-phenyl-2,3-dihydro-1H-pyrazol-4-yl)carbamothioyl]isonicotinamide
by Fatma Aydin and Erdoğan Dağci
Molbank 2010, 2010(2), M682; https://doi.org/10.3390/M682 - 11 May 2010
Cited by 1 | Viewed by 4885
Abstract
A new heterocyclic compound, N-[(2,5-dimethyl-3-oxo-1-phenyl-2,3-dihydro-1H-pyrazol-4-yl)carbamothioyl]isonicotinamide, was synthesized from isonicotinoyl isothiocyanate and 4-aminoantipyrine in acetonitrile solution. The title compound was characterized by FT-IR, 1H NMR, 13C NMR and MS spectroscopic methods. Physical parameters of the compound were examinated. Full article
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98 KiB  
Short Note
3-Hydroxy-4-{[(4-ethylphenyl)imino]methyl}phenyl Octadecanoate
by Sie-Tiong Ha, Jun-Kit Beh, Yip-Foo Win and Siew-Teng Ong
Molbank 2010, 2010(2), M681; https://doi.org/10.3390/M681 - 30 Apr 2010
Viewed by 5197
Abstract
A new Schiff base ester, 3-hydroxy-4-{[(4-ethylphenyl)imino]methyl}phenyl octadecanoate, was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented. Full article
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170 KiB  
Short Note
(–)-5-[(4R,5R)-5-(Benzyloxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]-2,2-dimethyl-4,7-dihydro-1,3-dioxepine
by Carlos R. Carreras, Celina E. García, Víctor S. Martín, Carlos E. Tonn, David Díaz Díaz and Juan Pedro Ceñal
Molbank 2010, 2010(2), M680; https://doi.org/10.3390/M680 - 30 Apr 2010
Viewed by 7033
Abstract
The synthesis of(–)-5-[(4R,5R)-5-(benzyloxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]-2,2-dimethyl-4,7-dihydro-1,3-dioxepine is reported. Product characterization was carried out by IR, 1H NMR, 13C NMR, MS, elemental analysis and optical rotation. Full article
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90 KiB  
Short Note
(2E)-3-(3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)-1-(2,5-dimethyl-3-thienyl)prop-2-en-1-one
by Abdullah M. Asiri and Salman A. Khan
Molbank 2010, 2010(2), M679; https://doi.org/10.3390/M679 - 27 Apr 2010
Viewed by 5032
Abstract
The title compound, (2E)-3-(3,5-dimethyl-1-phenyl-1H-pyrazol-4-yl)-1-(2,5-dimethyl-3-thienyl)prop-2-en-1-one (3) was synthesized in high yield by aldol condensation of 3-acetyl-2,5-dimethylthiophene and 3,5-dimethyl-1-phenylpyrazole-4-carboxaldehyde in ethanolic NaOH at room temperature. Its structure was fully characterized by elemental analysis, IR, 1H NMR, 13C NMR and EI-MS spectral analysis. Full article
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328 KiB  
Short Note
1-Phenylpyrazolo[4',3':5,6]pyrano[3,2-c]pyridine-4(1H)-thione
by Valerie Huemer and Wolfgang Holzer
Molbank 2010, 2010(2), M678; https://doi.org/10.3390/M678 - 26 Apr 2010
Cited by 1 | Viewed by 4937
Abstract
The title compound is prepared by treatment of 1-phenylpyrazolo[4',3':5,6]pyrano[3,2-c]pyridin-4(1H)-one with Lawesson’s reagent in refluxing toluene. Detailed spectroscopic data (1H NMR, 13C NMR, 15N NMR, MS) are presented. Full article
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136 KiB  
Short Note
Tris{4-[(1,3-diphenyl-1H-pyrazol-4-yl)methylene]-41-aminobiphenyl}amine
by Sandhya P. Veettil and Karickal R. Haridas
Molbank 2010, 2010(2), M677; https://doi.org/10.3390/M677 - 20 Apr 2010
Viewed by 4821
Abstract
Tris{4-[(1,3-diphenyl-1H-pyrazol-4-yl)methylene]-41-aminobiphenyl}amine was synthesized from N-(4-bromophenyl)-N-[(1,3-diphenyl-1H-pyrazol-4-yl)methylene]amine and tris(4-bromophenyl)amine based on Ullmann coupling reaction. The synthesized compound was characterized by NMR, IR, MS and elemental analysis. Full article
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373 KiB  
Short Note
(E)-2-((4R,5R)-5-((Benzyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)but-2-ene-1,4-diol
by Carlos R. Carreras, Celina E. García, Víctor S. Martín, Carlos E. Tonn, David Díaz Díaz and Juan Pedro Ceñal
Molbank 2010, 2010(2), M676; https://doi.org/10.3390/M676 - 19 Apr 2010
Cited by 1 | Viewed by 8521
Abstract
The synthesis of (E)-2-((4R,5R)-5-((benzyloxy)methyl)-2,2-dimethyl-1,3-dioxolan-4-yl)but-2-ene-1,4-diol by a one-step reduction of the appropriate 2-substituted butenolide is reported. Product characterization was carried out by IR, 1H NMR, 13C NMR, MS, elemental analysis and optical rotation. Full article
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290 KiB  
Short Note
3-Hydroxy-4-{[(4-bromophenyl)imino]methyl}phenyl Octadecanoate
by Sie-Tiong Ha, Mei-Yoke Ng, Teck-Ming Koh and Teck-Leong Lee
Molbank 2010, 2010(2), M675; https://doi.org/10.3390/M675 - 9 Apr 2010
Viewed by 6145
Abstract
A new Schiff base ester, 3-hydroxy-4-{[(4-bromophenyl)imino]methyl}phenyl octadecanoate, was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented. Full article
319 KiB  
Short Note
3-Hydroxy-4-{[(4-chlorophenyl)imino]methyl}phenyl Octadecanoate
by Sie-Tiong Ha, Mei-Yoke Ng, Teck-Ming Koh and Teck-Leong Lee
Molbank 2010, 2010(2), M674; https://doi.org/10.3390/M674 - 9 Apr 2010
Viewed by 5679
Abstract
A new Schiff base ester, 3-hydroxy-4-{[(4-chlorophenyl)imino]methyl}phenyl octadecanoate, was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented. Full article
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243 KiB  
Short Note
3-Hydroxy-4-{[(4-fluorophenyl)imino]methyl}phenyl Octadecanoate
by Sie-Tiong Ha, Mei-Yoke Ng, Teck-Ming Koh and Teck-Leong Lee
Molbank 2010, 2010(2), M673; https://doi.org/10.3390/M673 - 9 Apr 2010
Viewed by 5809
Abstract
A new Schiff base ester, 3-hydroxy-4-{[(4-fluorophenyl)imino]methyl}phenyl octadecanoate, was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented. Full article
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192 KiB  
Short Note
Ethyl 3,5-Dimethyl-4-[(4-phenyl-1,3-thiazol-2-yl)carbamoyl]-1H-pyrrole-2-carboxylate
by Akbar Idhayadhulla, Radhakrishnan Surendra Kumar and Abdul Jamal Abdul Nasser
Molbank 2010, 2010(2), M672; https://doi.org/10.3390/M672 - 7 Apr 2010
Viewed by 6291
Abstract
A new compound, ethyl 3,5-dimethyl-4-[(4-phenyl-1,3-thiazol-2-yl)carbamoyl]-1H-pyrrole-2-carboxylate (3) was synthesized by the amination method. The synthesized compound (3) was characterized by IR, 1H-NMR, 13C-NMR, mass spectral data and elemental analysis. Full article
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206 KiB  
Short Note
6,7,8,10-Tetra-O-benzyl-1,2,3,4-tetradeoxy-α-D-gluco-dec-5-ulopyranosyl 2,3,4,6-Tetra-O-benzyl-α-D-glucopyranoside
by Takashi Yamanoi, Ryo Inoue, Yoshiki Oda and Keita Hamasaki
Molbank 2010, 2010(2), M671; https://doi.org/10.3390/M671 - 7 Apr 2010
Cited by 1 | Viewed by 5368
Abstract
The title compound 1 was synthesized by the coupling reaction of 6,7,8,10-tetra-O-benzyl-1,2,3,4-tetradeoxy-α-D-gluco-dec-5-ulopyranose (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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89 KiB  
Short Note
2-Methyl-7-(phenylsulfanylmethyl)naphthalene
by Jane Bogdanov and Przemyslaw Maslak
Molbank 2010, 2010(2), M670; https://doi.org/10.3390/M670 - 30 Mar 2010
Viewed by 5088
Abstract
A new sulfide, 2-methyl-7-(phenylsulfanylmethyl)naphthalene was synthesized and its MS, IR, 1H NMR, 13C NMR and DEPT-135 data are reported. Full article
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117 KiB  
Short Note
7-(3-Chlorophenylamino)-1-cyclopropyl-6-fluoro-8-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid
by Yusuf Mohammad Al-Hiari, Amjad M. Qandil, Rufaida M. Al-Zoubi, Muhammed H. Alzweiri, Rula M. Darwish, Ghassan F. Shattat and Tariq M. Al-Qirim
Molbank 2010, 2010(2), M669; https://doi.org/10.3390/M669 - 24 Mar 2010
Cited by 2 | Viewed by 6299
Abstract
7-(3-Chlorophenylamino)-1-cyclopropyl-6-fluoro-8-nitro-4-oxo-1,4-dihydro-quinoline-3-carboxylic acid (2) was prepared and fully characterized by NMR, IR, and MS. Compound 2 exhibited good antibacterial activity against gram-positive standard and resistant strains. Full article
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