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Molbank
Volume 2009
Issue 1
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Molbank, Volume 2009, Issue 1 (March 2009) – 16 articles

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3 pages, 28 KB  
Short Note
Synthesis of New Schiff Base Ether: p-n-(Dimethylamino)-benzylidene-p-dodecyloxyaniline
by Sie-Tiong Ha, Lay-Khoon Ong, Joanna Pik-Wan Wong, Yip-Foo Win and Teck-Ming Koh
Molbank 2009, 2009(1), M598; https://doi.org/10.3390/M598 - 24 Mar 2009
Cited by 5 | Viewed by 6227
Abstract
A new Schiff base ether, p-n-(dimethylamino)benzylidene-p-dodecyloxyaniline, was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are reported. Full article
3 pages, 78 KB  
Short Note
Synthesis of 3-[2-(4-Chlorobenzylidene)hydrazino]-3-oxo-N-(4-sulfamoylphenyl)propanamide
by Arshi Naqvi, Mohd. Shahnawaaz, Arikatla V. Rao, Daya S. Seth and Nawal K. Sharma
Molbank 2009, 2009(1), M597; https://doi.org/10.3390/M597 - 23 Mar 2009
Viewed by 5732
Abstract
3-Hydrazino-3-oxo-N-(4-sulfamoylphenyl)propanamide has been used as a synthon for the preparation of 3-[2-(4-chlorobenzylidene)hydrazino]-3-oxo-N-(4-sulfamoylphenyl)propanamide Full article
5 pages, 171 KB  
Short Note
Synthesis of rac-tert-butyl 3-(benzyloxycarbonylamino)-2-(4-bromophenyl)-tetrahydrofuran-3-carboxylate
by Andreas Grauer and Burkhard König
Molbank 2009, 2009(1), M596; https://doi.org/10.3390/M596 - 23 Mar 2009
Cited by 1 | Viewed by 6246
Abstract
A new Cα-tetrasubstituted α-amino acid rac-tert-butyl°3-(benzyloxycarbonylamino)-2-(4-bromophenyl)-tetrahydrofuran-3-carboxylate was synthesized and characterized by NMR, MS, elemental analysis and X-ray Full article
3 pages, 155 KB  
Short Note
Synthesis of 1-[(2-Oxonaphthalen-1(2H)-ylidene)methyl]urea
by Jiehua Xu, Anjun Chen and Qingjian Liu
Molbank 2009, 2009(1), M595; https://doi.org/10.3390/M595 - 18 Mar 2009
Viewed by 5590
Abstract
An unexpected product, 1-[(2-oxonaphthalen-1(2H)-ylidene)methyl]urea 4 of the condensation reaction of 2-hydroxy-1-naphthaldehyde with or without ethyl benzoylacetate and urea under hydrochloric acid-catalyzed and solvent-free conditions is reported. Full article
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Scheme 1

7 pages, 157 KB  
Short Note
Synthesis of (2R,3S)-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl) 2-(4-bromophenyl)-3-(tert-butoxy-carbonylamino)-tetrahydrofuran-3-carboxylate and (2S,3R)-((1R,2S,5R)-2-isopropyl- 5-methylcyclohexyl)2-(4- bromophenyl)-3-(tert-butoxycarbonylamino)-tetrahydrofuran-3-carboxylate
by Andreas Grauer and Burkhard König
Molbank 2009, 2009(1), M594; https://doi.org/10.3390/M594 - 16 Mar 2009
Cited by 2 | Viewed by 5319
Abstract
Two new Cα-tetrasubstituted α-amino acids (2R,3S)-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl) 2-(4-bromophenyl)-3-(tert-butoxycarbonylamino)-tetrahydrofuran-3-carboxylate and (2S,3R)-((1R,2S,5R)-2-isopropyl-5-methylcyclohexyl) 2-(4-bromophenyl)-3-(tert-butoxycarbonylamino)-tetrahydrofuran-3-carboxylate were synthesized and characterized by NMR, MS, elemental analysis and X-ray. Full article
1 pages, 146 KB  
Correction
Correction: Kotali, A. et al. 7-Hydroxy-8-acetylcoumarin N-1-(Carboxymethyl)pyridinium Chloride Hydrazone. Molbank 2008, M571.
by Antigoni Kotali, Ioannis S. Lafazanis and Philip A. Harris
Molbank 2009, 2009(1), M593; https://doi.org/10.3390/M593 - 26 Feb 2009
Viewed by 5470
Abstract
We found the following error in our paper published in Molbank recently [1]. In the Scheme the positive charge should be at the nitrogen atoms and the negative charge should be at the chlorine atoms. The correct Scheme is shown below: [...] Full article
1 pages, 108 KB  
Correction
Correction: Kotali, A. 1-(o-Hydroxyphenyl)-3-phenylpropenone N-benzoylhydrazone. Molbank 2003, M350.
by Antigoni Kotali
Molbank 2009, 2009(1), M592; https://doi.org/10.3390/M592 - 26 Feb 2009
Viewed by 4503
Abstract
We found the following error in our paper published in Molbank a few years ago [1]. The correct title should be: 2,2'-Dihydroxybenzophenone N-Carbonylethoxyhydrazone. [...] Full article
3 pages, 236 KB  
Short Note
4-[(Pyridin-3-ylmethylene)amino]phenyloctadecanoate
by Sie-Tiong Ha, Lay-Khoon Ong, Yip-Foo Win, Teck-Ming Koh and Guan-Yeow Yeap
Molbank 2009, 2009(1), M591; https://doi.org/10.3390/M591 - 23 Feb 2009
Cited by 6 | Viewed by 5649
Abstract
A new Schiff base 4-[(pyridin-3-ylmethylene)amino]phenyloctadecanoate was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented. Full article
7 pages, 246 KB  
Short Note
Synthesis of 3-(4-Chloro-2-methoxy-7H-pyrrolo[2,3-d]-pyrimidin-7-yl)propanoic acid – An N(9)-Functionalized 7-Deazapurine
by Helmut Rosemeyer
Molbank 2009, 2009(1), M590; https://doi.org/10.3390/M590 - 6 Feb 2009
Viewed by 5682
Abstract
Regioselective N-alkylation of 4-chloro-2-methoxy-7H-pyrrolo[2,3- d]pyrimidine (6) with ethyl 3-bromopropionate under liquid-liquid phase-transfer reactionconditions gave the ester 7a. Its saponification yielded the acid 7b. The logP values of a series of N(9)-functionalized purines and purine isosteres were calculated. Full article
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Figure 1

3 pages, 217 KB  
Short Note
Synthesis of 3-{4-[4-(Benzylideneamino)benzenesulfonyl]- phenyl}-2-phenylquinazolin-4(3H)-one
by R. Thilagavathi, Helen P. Kavitha, R. Arulmozhi and Sunil Manohar Babu
Molbank 2009, 2009(1), M589; https://doi.org/10.3390/M589 - 15 Jan 2009
Cited by 1 | Viewed by 5239
Abstract
The present work describes the synthesis of a Schiff base, 3-{4-[4-(benzylideneamino) benzenesulfonyl]phenyl}-2-phenylquinazolin-4(3H)-one from a novel quinazolinone, 3-[4-(4 aminobenzenesulfonyl)phenyl]-2-phenylquinazolin-4(3H)-one. The quinazolinone was prepared by reacting 2-phenyl-4H-3,1 benzoxazin-4-one with dapsone. The structure of the synthesized Schiff base is confirmed [...] Read more.
The present work describes the synthesis of a Schiff base, 3-{4-[4-(benzylideneamino) benzenesulfonyl]phenyl}-2-phenylquinazolin-4(3H)-one from a novel quinazolinone, 3-[4-(4 aminobenzenesulfonyl)phenyl]-2-phenylquinazolin-4(3H)-one. The quinazolinone was prepared by reacting 2-phenyl-4H-3,1 benzoxazin-4-one with dapsone. The structure of the synthesized Schiff base is confirmed by IR, 1H NMR, 13C NMR, MS and elemental analysis.- Full article
2 pages, 165 KB  
Short Note
Synthesis of (2E)-2-(2,4,6-Trimethoxybenzylidene)indan-1-one
by Abdullah Mohamed Asiri and Mohammed Golam Rasul
Molbank 2009, 2009(1), M588; https://doi.org/10.3390/M588 - 15 Jan 2009
Cited by 1 | Viewed by 4937
Abstract
Donor-acceptor (D-p-A) dyestuff and colorants represent a vast majority of organic chromogens Full article
2 pages, 164 KB  
Short Note
A novel method for the synthesis of 6-bromo-2-(3,4-dichlorophenyl)imidazo[1,2-a]pyridine using microwave irradiation
by Shankarappa A. Biradar, Venkatesh K. Bhovi, Yadav D. Bodke and Rajesh Bhavanishankar
Molbank 2009, 2009(1), M587; https://doi.org/10.3390/M587 - 15 Jan 2009
Cited by 3 | Viewed by 5527
Abstract
A simple and novel route to the synthesis of imidazopyridines was developed. The present work involves the synthesis of 6-bromo-2-(3,4-dichlorophenyl)imidazo[1,2-a]pyridine (3) by using microwave irradiation. The synthesized compound (3) was well characterized by NMR, IR, LCMS and elemental analysis. Full article
3 pages, 175 KB  
Short Note
Synthesis of novel 3-Hydrazino-3-oxo-N-(4-sulfamoylphenyl)-propanamide
by Arshi Naqvi, Mohd. Shahnawaaz, Arikatla V. Rao, Daya S. Seth and Nawal K. Sharma
Molbank 2009, 2009(1), M586; https://doi.org/10.3390/M586 - 15 Jan 2009
Cited by 1 | Viewed by 5413
Abstract
Novel 3-hydrazino-3-oxo-N-(4-sulfamoylphenyl)propanamide has been efficiently synthesized from DEM and hydrazine hydrate. The synthesized hydrazide was screened for anti-tubercular activity. Full article
3 pages, 159 KB  
Short Note
4-[(Pyridin-3-ylmethylene)amino]phenyltetradecanoate
by Sie-Tiong Ha, Lay-Khoon Ong, Yip-Foo Win, Teck-Ming Koh and Guan-Yeow Yeap
Molbank 2009, 2009(1), M585; https://doi.org/10.3390/M585 - 15 Jan 2009
Cited by 11 | Viewed by 5905
Abstract
A new Schiff base 4-[(pyridin-3-ylmethylene)amino]phenyltetradecanoate was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented. Full article
3 pages, 177 KB  
Short Note
4-[(Pyridin-3-ylmethylene)amino]phenylhexadecanoate
by Sie-Tiong Ha, Lay-Khoon Ong, Yip-Foo Win, Teck-Ming Koh and Guan-Yeow Yeap
Molbank 2009, 2009(1), M584; https://doi.org/10.3390/M584 - 15 Jan 2009
Cited by 11 | Viewed by 6136
Abstract
A new Schiff base 4-[(pyridin-3-ylmethylene)amino]phenylhexadecanoate was synthesized and its IR, 1H NMR, 13C NMR and MS spectroscopic data are presented. Full article
2 pages, 111 KB  
Editorial
MolBank: What Is It Good for?
by Norbert Haider
Molbank 2009, 2009(1), M583; https://doi.org/10.3390/M583 - 15 Jan 2009
Viewed by 5140
Abstract
From time to time, the Publisher and the Editor-in-Chief of MolBank are asked the question: “what is the purpose of publishing a journal like MolBank?” We think that the start of a new year is a good opportunity to make the ideas [...] Read more.
From time to time, the Publisher and the Editor-in-Chief of MolBank are asked the question: “what is the purpose of publishing a journal like MolBank?” We think that the start of a new year is a good opportunity to make the ideas behind such a journal as clear as possible to our readers, authors and reviewers. In principle, the answer to this question might be boiled down to a single term: “usefulness”. But allow me to go a little bit more into detail. [...] Full article
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