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Table of Contents

Molbank, Volume 2009, Issue 4 (December 2009), M623-M646

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	M623 Miriam Emich and Norbert Haider Short Note: 5-Methyl-4-oxo-4,6-dihydro-3H-pyridazino[4,5-b]carbazole-1-carbaldehyde Molbank 2009, 2009(4), M623; doi:10.3390/M623 Received: 2 October 2009 / Accepted: 5 October 2009 / Published: 5 October 2009 Show/Hide Abstract | Download PDF Full-text (181 KB) |  Abstract: The title compound was prepared in good yield by oxidation of 1-(hydroxymethyl)-3,6-dihydro-4H-pyridazino[4,5-b]carbazol-4-one with 2-iodoxybenzoic acid (IBX) in DMSO solution under very mild conditions.
	M624 Sandhya P. Veettil and Karickal R. Haridas Short Note: 1,3,5-Tris{[N-(1,3-diphenyl-1H-pyrazol-4-yl)methylene]-4-aminophenyl}benzene Molbank 2009, 2009(4), M624; doi:10.3390/M624 Received: 4 August 2009 / Accepted: 10 September 2009 / Published: 7 October 2009 Show/Hide Abstract | Download PDF Full-text (79 KB) |  Abstract: 1,3,5-Tris{[N-(1,3-diphenyl-1H-pyrazol-4-yl)methylene]-4-aminophenyl}-benzene was synthesised from N-(4-bromophenyl)-N-[(1,3-diphenyl-1H-pyrazol-4-yl)-methylene]amine and 1,3,5-tribromobenzene by an Ullman coupling reaction. The synthesized compound was charecterised by NMR, IR, MS and elemental analysis.
	M625 Polina K. Demetriadou and Panayiotis A. Koutentis Short Note: 3,4,5,6,7,8,9-Heptachlorophenaleno[1,9-bc]pyrazole Molbank 2009, 2009(4), M625; doi:10.3390/M625 Received: 22 September 2009 / Accepted: 7 October 2009 / Published: 7 October 2009 Show/Hide Abstract | Download PDF Full-text (66 KB) |  Abstract: Treatment of perchloro-7H-cyclopropano[a]acenaphthylene 1 with hydrazine hydrate in DMF at ca. 80 °C gives the new 3,4,5,6,7,8,9-heptachlorophenaleno[1,9-bc]pyrazole 2 in 69% yield. This compound is the first example of a phenalene fused pyrazole.
	M626 Ming-Jen Cheng, Wen-Li Lo, Hung-Chun Yeh and Chung-Yi Chen Short Note: (S*)-2,7,8-Trihydroxychroman-4-one Molbank 2009, 2009(4), M626; doi:10.3390/M626 Received: 21 September 2009 / Accepted: 8 October 2009 / Published: 9 October 2009 Show/Hide Abstract | Download PDF Full-text (219 KB) |  Abstract: Reticumanone (1), a new chromanone, isolated from the leaves of Cinnamomum reticulatum Hay (Lauraceae), has been characterized as (S*)-2,7,8-trihydroxychroman-4-one, by means of spectroscopic methods.
	M627 Stephen Crooke, Michele Davis-McGibony and Christine Whitlock Short Note: 3,6-Bis(5’-bromo-3’-indolyl)-1,4-dimethypiperazine-2,5-dione Molbank 2009, 2009(4), M627; doi:10.3390/M627 Received: 22 September 2009 / Accepted: 7 October 2009 / Published: 9 October 2009 Show/Hide Abstract | Download PDF Full-text (43 KB) |  Abstract: The one-pot synthesis of 3,6-bis(5’-bromo-3’-indolyl)-1,4-dimethylpiperazine- 2,5-dione is reported. Sarcosine anhydride is brominated and immediately reacted with 5-bromoindole to produce the product, which is characterized by 1H NMR, MS and microanalysis.
	M628 Heraklidia A. Ioannidou and Panayiotis A. Koutentis Short Note: tert-Butyl 3-(4-Cyano-5-phenylisothiazol-3-yl)carbazate Molbank 2009, 2009(4), M628; doi:10.3390/M628 Received: 22 September 2009 / Accepted: 10 October 2009 / Published: 12 October 2009 Show/Hide Abstract | Download PDF Full-text (131 KB) |  Abstract: 3-Iodo-5-phenylisothiazole-4-carbonitrile 1 reacts with tert-butyl carbazate via a Buchwald C-N style coupling to afford tert-butyl 3-(4-cyano-5-phenylisothiazol-3-yl)- carbazate 2 in 70% yield. [...]
	M629 Sie-Tiong Ha, Siew-Teng Ong, Yee-Ting Chong and Guan-Yeow Yeap Short Note: 4-{[(3-Chlorophenyl)imino]methyl}-3-hydroxyphenyl Myristate Molbank 2009, 2009(4), M629; doi:10.3390/M629 Received: 7 August 2009 / Accepted: 13 October 2009 / Published: 14 October 2009 Show/Hide Abstract | Download PDF Full-text (42 KB) |  Abstract: A new Schiff base ester, 4-{[(3-chlorophenyl)imino]methyl}-3-hydroxyphenyl myristate, was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented.
	M630 Sie-Tiong Ha, Siew-Teng Ong, Yee-Ting Chong and Guan-Yeow Yeap Short Note: 4-{[(3-Cyanophenyl)imino]methyl}-3-hydroxyphenyl Tetradecanoate Molbank 2009, 2009(4), M630; doi:10.3390/M630 Received: 26 August 2009 / Accepted: 13 October 2009 / Published: 14 October 2009 Show/Hide Abstract | Download PDF Full-text (39 KB) |  Abstract: A new Schiff base ester, 4-{[(3-cyanophenyl)imino]methyl}-3-hydroxyphenyl tetradecanoate, was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented.
	M631 Sie-Tiong Ha, Siew-Teng Ong, Yee-Ting Chong and Guan-Yeow Yeap Short Note: 3-Hydroxy-4-{[(3-nitrophenyl)imino]methyl}phenyl Tetradecanoate Molbank 2009, 2009(4), M631; doi:10.3390/M631 Received: 10 August 2009 / Accepted: 13 October 2009 / Published: 14 October 2009 Show/Hide Abstract | Download PDF Full-text (40 KB) |  Abstract: A new Schiff base ester, 3-hydroxy-4-{[(3-nitrophenyl)imino]methyl}phenyl tetradecanoate, was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented.
	M632 Sie-Tiong Ha, Siew-Teng Ong, Yee-Ting Chong and Guan-Yeow Yeap Short Note: 3-Hydroxy-4-[(phenylimino)methyl]phenyl Myristate Molbank 2009, 2009(4), M632; doi:10.3390/M632 Received: 26 August 2009 / Accepted: 13 October 2009 / Published: 14 October 2009 Show/Hide Abstract | Download PDF Full-text (40 KB) |  Abstract: A new Schiff base ester 3-hydroxy-4-[(phenylimino)methyl]phenyl myristate was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented.
	M633 Sie-Tiong Ha, Teck-Ming Koh, Yip-Foo Win and Siew-Teng Ong Short Note: 4-[(1,3-Benzothiazol-2-ylimino)methyl]phenyl Dodecanoate Molbank 2009, 2009(4), M633; doi:10.3390/M633 Received: 9 October 2009 / Accepted: 14 October 2009 / Published: 14 October 2009 Show/Hide Abstract | Download PDF Full-text (124 KB) |  Abstract: A heterocycle, 4-[(1,3-benzothiazol-2-ylimino)methyl]phenyl dodecanoate, was synthesized and its IR, 1H NMR, 13C NMR, elemental analysis and MS spectroscopic data are presented. This new compound exhibited smectic A phase.
	M634 Sie-Tiong Ha, Teck-Ming Koh, Siew-Teng Ong and Yip-Foo Win Short Note: 2-[4-(Hexadecyloxy)-3-methoxyphenyl]-1,3-benzothiazole Molbank 2009, 2009(4), M634; doi:10.3390/M634 Received: 10 October 2009 / Accepted: 15 October 2009 / Published: 16 October 2009 Show/Hide Abstract | Download PDF Full-text (24 KB) |  Abstract: A new heterocycle, 2-[4-(hexadecyloxy)-3-methoxyphenyl]-1,3-benzothiazole, was prepared and its IR, 1H NMR, 13C NMR, elemental analysis and MS spectroscopic data are reported.
	M635 Abdullah M. Asiri and Salman A. Khan Short Note: 2,6-Bis(9-ethyl-9H-carbazolylmethylene)cyclohexanone Molbank 2009, 2009(4), M635; doi:10.3390/M635 Received: 4 September 2009 / Accepted: 27 September 2009 / Published: 26 October 2009 Show/Hide Abstract | Download PDF Full-text (86 KB) |  Abstract: The title compound, 2,6-bis(ethyl-9-ethyl-9H-carbazolylmethylene)cyclohexanone has been synthesized by condensation of 9-ethylcarbazole-3-aldehyde and cyclohexanone in ethanol in the presence of pyridine. The structure of this new compound was confirmed by elemental analysis, IR, 1H NMR, 13C NMR and EI-MS spectral analysis.
	M636 Abdullah M. Asiri and Salman A. Khan Short Note: (2E,2'E)-3,3-(1,4-Phenylene)bis[1-(2,5-dimethyl-3-thienyl)prop- 2-en-1-one] Molbank 2009, 2009(4), M636; doi:10.3390/M636 Received: 27 August 2009 / Accepted: 26 October 2009 / Published: 28 October 2009 Show/Hide Abstract | Download PDF Full-text (150 KB) |  Abstract: A bis-chalcone has been synthesized by reaction of 3-acetyl-,5-dimethylthiophene and terephthalaldehyde in ethanolic NaOH at room temperature: (2E,2'E)-3,3-(1,4-phenylene)bis[1-(2,5-dimethyl-3-thienyl)prop-2-en-1-one] (3) was obtained in high yield. The structure of this compound was established by elemental analysis, IR, 1H NMR, 13C NMR and EI-MS spectral analysis.
	M637 Yoshinobu Ishikawa, Takeshi Yamashita, Satoshi Fujii and Tadayuki Uno Short Note: Zinc(II)-5,10,15,20-tetrakis(α-pyridino-m-tolyl)porphyrin Tetrabromide Molbank 2009, 2009(4), M637; doi:10.3390/M637 Received: 19 October 2009 / Accepted: 3 November 2009 / Published: 4 November 2009 Show/Hide Abstract | Download PDF Full-text (132 KB) |  Abstract: Cationic porphyrins interact strongly with guanine quadruplex (G-quadruplex) DNA. We report the preparation of the zinc(II) complex of a porphyrin bearing cationic side arms, zinc(II)-5,10,15,20-tetrakis(α-pyridino-m-tolyl)porphyrin tetrabromide (ZnmPy), as a novel probe for the analysis of G-quadruplex/porphyrin interaction.
	M638 David M. Gooden Short Note: 6-(4-(2-{2-[2-(2-Hydroxy-ethoxy)-ethoxy]-ethoxy}-ethyl)-10-oxa-4-aza-tricyclo[5.2.1.02,6]dec-8-ene-3,5-dione) Molbank 2009, 2009(4), M638; doi:10.3390/M638 Received: 9 October 2009 / Accepted: 2 November 2009 / Published: 5 November 2009 Show/Hide Abstract | Download PDF Full-text (147 KB) |  Abstract: Microwave irradiation of maleimide with an excess of furan in water exclusively yields the corresponding exo-cycloadduct in good yield (87%) in 1 hour at 90 oC. Alkylation of the imido nitrogen with tetraethylene glycol under Mitsunobu conditions gives the ROMP monomer in 81% yield.
	M639 Neringa Kleizienė, Eglė Arbačiauskienė, Wolfgang Holzer and Algirdas Šačkus Short Note: 4-Bromo-3-methoxy-1-phenyl-1H-pyrazole Molbank 2009, 2009(4), M639; doi:10.3390/M639 Received: 29 October 2009 / Accepted: 4 November 2009 / Published: 5 November 2009 Show/Hide Abstract | Download PDF Full-text (124 KB) |  Abstract: The title compound was prepared by treatment of 4-bromo-1-phenyl-1H-pyrazol-3-ol with sodium hydride/methyl iodide in good yield. Detailed spectroscopic data (1H NMR, 13C NMR, 15N NMR, IR, MS) are presented.
	M640 Sandhya Bawa, Fasih Ahmad and Suresh Kumar Short Note: 3-Chloro-4-fluoro-N-{[3-(4-methoxyphenyl)-1-phenyl-1H-pyrazol- 4-yl]methyl}aniline Molbank 2009, 2009(4), M640; doi:10.3390/M640 Received: 12 October 2009 / Accepted: 29 October 2009 / Published: 5 November 2009 Show/Hide Abstract | Download PDF Full-text (204 KB) |  Abstract: A direct reductive amination of 3-(4-methoxyphenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde 2 with 3-chloro-4-flouroaniline using NaBH4/I2 as a reducing agent is described. The reaction was carried out in MeOH under neutral conditions at room temperature to give the secondary amine, 3-chloro-4-fluoro-N-{[3-(4-methoxyphenyl)-1-phenyl-1H-pyrazol-4-yl]methyl}aniline (3).
	M641 Basavaraj Padmashali, Siddapura M. Mallikarjuna and Ballekere N. Chidananda Short Note: [1-(4-Chlorophenyl)cyclopropyl](piperazin-1-yl)methanone Molbank 2009, 2009(4), M641; doi:10.3390/M641 Received: 14 September 2009 / Accepted: 23 October 2009 / Published: 9 November 2009 Show/Hide Abstract | Download PDF Full-text (84 KB) |  Abstract: The title compound, [1-(4-chlorophenyl)cyclopropyl](piperazin-1-yl)methanone, was synthesized and characterized by elemental analysis, IR, 1H NMR, 13C NMR and mass spectral data.
	M642 Jeet Kalia and Ronald T. Raines Short Note: 1,9-Bis(2-pyridyl)-1,2,8,9-tetrathia-5-oxanonane Molbank 2009, 2009(4), M642; doi:10.3390/M642 Received: 21 October 2009 / Accepted: 16 November 2009 / Published: 17 November 2009 Show/Hide Abstract | Download PDF Full-text (144 KB) |  Abstract: Disulfide crosslinking of proteins is typically performed by treating proteins bearing cysteine residues with small-molecule disulfide reagents. The process results in the formation of a mixed disulfide intermediate, which then reacts with the cysteine residue of another protein molecule to form the crosslinked product. This second step requires the intimate association of two large reactants. The ensuing steric hindrance can result in poor crosslinking yields. Here, we introduce a bis(disulfide) reagent in which activated disulfides are separated by linkers that can alleviate steric hindrance and thereby potentially increase the efficiency of crosslinking.
	M643 Ru Liu, Yan Xu, Jun-Ru Wang and Zhen-Ting Du Short Note: 4,4’-Bis(4-octylphenoxy)-2,2’-bipyridine Molbank 2009, 2009(4), M643; doi:10.3390/M643 Received: 16 November 2009 / Accepted: 26 November 2009 / Published: 2 December 2009 Show/Hide Abstract | Download PDF Full-text (41 KB) |  Abstract: 4,4’-Bis(4-octylphenoxy)-2,2’-bipyridine which can be used in complexes of ruthenium was synthesized. This ligand bears a long chain for the purpose of increasing the solubility of the final complex. The synthesis was achieved through a nucleophilic aromatic substitution reaction of 4,4’-bromo-2,2’-bipyridine and 4-octylphenol.
	M644 Neringa Kleizienė, Eglė Arbačiauskienė, Wolfgang Holzer and Algirdas Šačkus Short Note: (2E)-3-(3-Methoxy-1-phenyl-1H-pyrazol-4-yl)-2-propenal Molbank 2009, 2009(4), M644; doi:10.3390/M644 Received: 20 November 2009 / Accepted: 3 December 2009 / Published: 4 December 2009 Show/Hide Abstract | Download PDF Full-text (106 KB) |  Abstract: The palladium-catalyzed reaction of 4-bromo-3-methoxy-1-phenyl-1H-pyrazole with acrolein diethyl acetal gives the title compound in good yield. Detailed spectroscopic data (1H NMR, 13C NMR, 15N NMR, IR, MS) are presented.
	M645 Ning Pan, Wenwen Zhang and Qingjian Liu Short Note: Methyl 6-Methyl-4-(4-iodophenyl)-1,2,3,4-tetrahydro-2-thioxo-5-pyrimidinecarboxylate Molbank 2009, 2009(4), M645; doi:10.3390/M645 Received: 23 October 2009 / Accepted: 11 December 2009 / Published: 15 December 2009 Show/Hide Abstract | Download PDF Full-text (169 KB) |  Abstract: Methyl 6-methyl-4-(4-iodophenyl)-1,2,3,4-tetrahydro-2-thioxo-5-pyrimidinecarboxylate has been synthesized via Biginelli reaction of 4-iodobenzaldehyde, methyl acetoacetate and thiourea, promoted by microwave irradiation in the presence of iodine under solvent-free conditions in high yield and good purity.
	M646 Wenwen Zhang, Ning Pan and Qingjian Liu Short Note: Dimethyl 1,4-Dihydro-2,6-dimethyl-1-(4-methylphenyl)-4-(4-methoxylphenyl)pyridine-3,5-dicarboxylate Molbank 2009, 2009(4), M646; doi:10.3390/M646 Received: 7 November 2009 / Accepted: 11 December 2009 / Published: 15 December 2009 Show/Hide Abstract | Download PDF Full-text (128 KB) |  Abstract: Dimethyl 1,4-dihydro-2,6-dimethyl-1-(4-methylphenyl)-4-(4-methoxylphenyl)–pyridine-3,5-dicarboxylate has been synthesized via Hantzsch condensation reaction of p-methoxybenzaldehyde, methyl acetoacetate and p-toluidine promoted by microwave irradiation (MWI) in the presence of iodine under solvent-free conditions.
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