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Molbank, Volume 2012, Issue 3 (September 2012) – 16 articles

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85 KiB  
Short Note
Methyl 2-Benzamido-2-(1H-benzimidazol-1-ylmethoxy)acetate
by Mabrouk El Houssine, Elachqar Abdelrhani, El Hallaoui Abdelilah and Alami Anouar
Molbank 2012, 2012(3), M777; https://doi.org/10.3390/M777 - 21 Sep 2012
Viewed by 3698
Abstract
The heterocyclic carboxylic α-aminoester methyl 2-benzamido-2-(1H-benzimidazol-1-ylmethoxy)acetate is obtained by O-alkylation of methyl α-azido glycinate N-benzoylated with 1H-benzimidazol-1-ylmethanol. Full article
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72 KiB  
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Ethyl 7-Methyl-5-(4-methylphenyl)-3-oxo-2-{[3-(3,4-dichlorophenyl)-1-phenyl-1H-pyrazol-4-yl]methylidene}-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
by Shivapura Viveka, Dinesha, Sandeep Sadananda Laxmeshwar and Gundibasappa Karikannar Nagaraja
Molbank 2012, 2012(3), M776; https://doi.org/10.3390/M776 - 07 Sep 2012
Cited by 5 | Viewed by 4102
Abstract
A simple route for synthesis of compound 3 via three component reaction involving ethyl 6-methyl-4-(4-methylphenyl)-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (1), 3-(3,4-dichlorophenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde (2) and monochloroacetic acid is described. The newly synthesized compound is well characterized by elemental analysis, IR, 1H-NMR and mass spectral studies. Full article
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260 KiB  
Short Note
Trimethyl 4,6-Dicyano-5-hydroxybenzene-1,2,3-tricarboxylate
by Afsaneh Zonouzi, Roghieh Mirzazadeh and Seik Weng Ng
Molbank 2012, 2012(3), M775; https://doi.org/10.3390/M775 - 28 Aug 2012
Cited by 2 | Viewed by 3896
Abstract
A novel synthesis of a fully substituted fluorescent phenol by a one-pot reaction of dimethyl acetylendicarboxylate and malononitrile in the presence of catalysts has been developed. The structure of the synthesized compound was assigned on the basis of its elemental analysis, 1H-NMR, [...] Read more.
A novel synthesis of a fully substituted fluorescent phenol by a one-pot reaction of dimethyl acetylendicarboxylate and malononitrile in the presence of catalysts has been developed. The structure of the synthesized compound was assigned on the basis of its elemental analysis, 1H-NMR, 13C-NMR, IR, mass spectral and X-ray data. The photophysical data of the new compound are reported. Full article
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49 KiB  
Short Note
2-[(4-Bromophenylimino)methyl]-5-pentadecylphenol
by Gadada Naganagowda, Amorn Petsom, Patchanita Thamyongkit and Basavaraj Padmashali
Molbank 2012, 2012(3), M774; https://doi.org/10.3390/M774 - 28 Aug 2012
Cited by 1 | Viewed by 3437
Abstract
2-[(4-Bromophenylimino)methyl]-5-pentadecylphenol has been synthesized by reaction of 2-hydroxy-4-pentadecylbenzaldehyde with 4-bromoaniline in 1,4-dioxane and its IR, 1H-NMR, 13C-NMR and MS spectroscopic data are presented. Full article
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62 KiB  
Short Note
4-[5-(3,5-Difluorophenyl)furan-2-yl]-2,3,7-triazaspiro[4.5]dec-3-en-1-one Hydrochloride
by Rajagopalan Srinivasan, Badiadka Narayana, Seranthimata Samshuddin and Balladka Kunhanna Sarojini
Molbank 2012, 2012(3), M773; https://doi.org/10.3390/M773 - 24 Aug 2012
Cited by 1 | Viewed by 3520
Abstract
A novel route for the synthesis of new spirocyclic derivative is developed. The present work involves the synthesis of title compound 3 by Suzuki coupling of 3,5-difluorophenyl boronic acid with tert-butyl 1-(5-bromofuran-2-yl)-4-oxo-2,3,7-triazaspiro[4.5]dec-1-ene-7-carboxylate (2), which in turn prepared from the ethyl [...] Read more.
A novel route for the synthesis of new spirocyclic derivative is developed. The present work involves the synthesis of title compound 3 by Suzuki coupling of 3,5-difluorophenyl boronic acid with tert-butyl 1-(5-bromofuran-2-yl)-4-oxo-2,3,7-triazaspiro[4.5]dec-1-ene-7-carboxylate (2), which in turn prepared from the ethyl nipecotate (1). Newly prepared spirocyclic derivative (3) is characterized by IR, NMR and mass spectral data. Full article
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55 KiB  
Short Note
2-[3-(Aziridin-1-yl)-2-hydroxypropyl]-5,5-dimethyl-2,5-dihydro-4H-benzo[e]isoindol-4-one (Cytotoxic Oxonaphthalene-Pyrroles, Part III)
by Helmut Spreitzer and Christiane Puschmann
Molbank 2012, 2012(3), M772; https://doi.org/10.3390/M772 - 24 Aug 2012
Viewed by 3500
Abstract
An hydroxypropyl-aziridine-containing side chain is attached to an oxonaphthalene-annelated pyrrole in expectation of DNA alkylating properties. The cytotoxicity is evaluated against two cell lines, KB-31 and KB-8511, respectively. Full article
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70 KiB  
Short Note
3-(4-Fluorophenyl)-N-[4-(4-furan-2-yl-1-oxo-2,3,7-triazaspiro[4.5]dec-3-en-2-yl)phenyl]propionamide Hydrochloride
by Rajagopalan Srinivasan, Badiadka Narayana, Seranthimata Samshuddin and Balladka Kunhanna Sarojini
Molbank 2012, 2012(3), M771; https://doi.org/10.3390/M771 - 17 Aug 2012
Cited by 1 | Viewed by 3794
Abstract
A simple and novel route for the synthesis of new spirocyclic propionamide derivative is developed. The present work involves N-arylation of pyrazolone (1) using copper(I) iodide catalyst followed by reduction to give amine (2). The coupling of 2 [...] Read more.
A simple and novel route for the synthesis of new spirocyclic propionamide derivative is developed. The present work involves N-arylation of pyrazolone (1) using copper(I) iodide catalyst followed by reduction to give amine (2). The coupling of 2 with 3-(4-fluorophenyl)propionic acid and deprotection of Boc group yields the title compound (3). Full article
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56 KiB  
Short Note
N1-((1H-Indazol-5-yl)methylene)-N2-(2-((2-((2-(((1H-indazol-6-yl)methylene)amino)ethyl)amino)ethyl)amino)ethyl)ethane-1,2-diamine
by Cristina Núñez, Javier Fernández-Lodeiro, Adrián Fernández-Lodeiro, Emília Bértolo, José Luis Capelo and Carlos Lodeiro
Molbank 2012, 2012(3), M770; https://doi.org/10.3390/M770 - 09 Aug 2012
Viewed by 3896
Abstract
One novel molecular emissive probe L has been synthesized by classical Schiff-base reaction between 1H-indazole-6-carboxaldehyde and tetraethylenepentamine. The structure of compound L was confirmed by melting point, elemental analysis, ESI-MS spectrometry and by IR and 13C-NMR and 1H-NMR spectroscopy. Full article
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66 KiB  
Short Note
N-(3,4-Dimethoxyphenyl)-4-oxo-2,3,7-triazaspiro[4.5]dec-1-ene-1-carboxamide Hydrochloride
by Rajagopalan Srinivasan, Badiadka Narayana, Seranthimata Samshuddin and Balladka Kunhanna Sarojini
Molbank 2012, 2012(3), M769; https://doi.org/10.3390/M769 - 08 Aug 2012
Cited by 3 | Viewed by 3271
Abstract
A simple and novel route for synthesis of new spirocyclic amide derivative is developed. The present work involves the oxidative cleavage of tert-butyl 1-(furan-2-yl)-4-oxo-2,3,7-triazaspiro[4.5]dec-1-ene-7-carboxylate 1 followed by the amine coupling and deprotection of Boc. Full article
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262 KiB  
Short Note
N1-(Benzo[b]thiophen-3-ylmethylidene)-N2-(2-((2-((2-(benzo[b]thiophen-3-ylmethylidene)amino)ethyl)amino)ethyl)amino)ethyl)ethane-1,2-diamine
by Cristina Núñez, Javier Fernández-Lodeiro, Adrián Fernández-Lodeiro, Emília Bértolo, José Luis Capelo and Carlos Lodeiro
Molbank 2012, 2012(3), M768; https://doi.org/10.3390/M768 - 06 Aug 2012
Cited by 2 | Viewed by 3606
Abstract
A novel probe L has been synthesized by classical Schiff-base reaction between 1-benzothiophene-3-carbaldehyde and tetraethylenepentamine as diamine. The structure of compound L was confirmed by melting point, elemental analysis, ESI-MS spectrometry, IR and 13C-NMR and 1H-NMR spectroscopy. Full article
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76 KiB  
Short Note
4-Hydroxy-1-methyl-7-(propan-2-yl)-4-azatricyclo [5.2.2.02,6]undec-8-ene-3,5-dione
by Daniel Szulczyk and Marta Struga
Molbank 2012, 2012(3), M767; https://doi.org/10.3390/M767 - 26 Jul 2012
Cited by 2 | Viewed by 3836
Abstract
1-Methyl-7-(propan-2-yl)-4-oxatricyclo[5.2.2.02,6]undec-8-ene-3,5-dione (1) as starting material and hydroxylamine were used for the preparation of the title compound 4-hydroxy-1-methyl-7-(propan-2-yl)-4-azatricyclo[5.2.2.02,6]undec-8-ene-3,5-dione (2). This product was characterized by 1H-NMR, 13C-NMR, MS and elemental analysis. Full article
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118 KiB  
Short Note
1-(1H-Benzimidazol-2-yl)-3-[5-(trichloromethyl)-1,3,4-oxadiazol-2-yl]propan-1-one
by Mohd Rashid, Asif Husain, Ravinesh Mishra, Niyaz Ahmed and Nadeem Ahmed Siddique
Molbank 2012, 2012(3), M766; https://doi.org/10.3390/M766 - 23 Jul 2012
Cited by 3 | Viewed by 4748
Abstract
The title compound, 1-(1H-benzimidazol-2-yl)-3-[5-(trichloromethyl)-1,3,4-oxadiazol-2-yl]propan-1-one (2) was synthesized successfully from 4-(1H-benzimidazol-2-yl)-4-oxobutanehydrazide (1) under microwave irradiation in good yield by reacting with trichloroacetic acid, and the structure of title compound was confirmed on the basis of IR, 1H-NMR, 13C-NMR, MS and CHN analyses results. Full article
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74 KiB  
Short Note
2-Methoxy-5-{4-oxo-2-[(E)-2-(4-sulfamoylphenyl)ethenyl-3,4-dihydroquinazolin-3-yl]benzene-1-sulfonamide
by Hayun, Muhammad Hanafi, Arry Yanuar and Sumi Hudiyono
Molbank 2012, 2012(3), M765; https://doi.org/10.3390/M765 - 18 Jul 2012
Cited by 1 | Viewed by 4060
Abstract
The title compound, 2-methoxy-5-{4-oxo-2-[(E)-2-(4-sulfamoylphenyl) ethenyl-3, 4-dihydroquinazolin-3-yl] benzene-1-sulfonamide 2 has been synthesized by the reaction of 3-(4-methoxyphenyl)-2-styryl-4(3H)-quinazolinone 1 with an excess of chlorosulfonic acid, followed by amidation of the sulfonyl chloride product with ammonia gas. The structure of the synthesized [...] Read more.
The title compound, 2-methoxy-5-{4-oxo-2-[(E)-2-(4-sulfamoylphenyl) ethenyl-3, 4-dihydroquinazolin-3-yl] benzene-1-sulfonamide 2 has been synthesized by the reaction of 3-(4-methoxyphenyl)-2-styryl-4(3H)-quinazolinone 1 with an excess of chlorosulfonic acid, followed by amidation of the sulfonyl chloride product with ammonia gas. The structure of the synthesized compound was confirmed on the basis of IR, 1H-NMR, 13C-NMR and mass spectral data. Full article
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86 KiB  
Short Note
(2E)-3-[4-(1H-Benzimidazol-2-ylmethoxy)-3-methoxyphenyl]-1-(4,4''-difluoro-5'-methoxy-1,1':3',1''-terphenyl-4'-yl)prop-2-en-1-one
by Seranthimata Samshuddin, Badiadka Narayana, Divya N. Shetty, Rajagopalan Srinivasan and Balladka Kunhanna Sarojini
Molbank 2012, 2012(3), M764; https://doi.org/10.3390/M764 - 04 Jul 2012
Cited by 3 | Viewed by 4010
Abstract
Novel terphenyl chalcone containing benzimidazole moiety (3) is synthesized by the base-catalyzed Claisen–Schmidt condensation of acetyl terphenyl derivative (1) with 4-(1H-benzimidazol-2-ylmethoxy)-3-methoxybenzaldehyde (2). Newly prepared chalcone derivative (3) is characterized by IR, NMR and mass spectral data. Full article
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84 KiB  
Short Note
2-(2-Imino-1-methylimidazolidin-4-ylidene)hydrazinecarbothioamide
by Ahmed A. Al-Amiery, Abdul Amir H. Kadhum and Abu Bakar Mohamad
Molbank 2012, 2012(3), M763; https://doi.org/10.3390/M763 - 03 Jul 2012
Cited by 3 | Viewed by 3908
Abstract
A new thiosemicarbazone, 1-methyl-2-imino-N-(methanethialdiamine)-yl-4-iminoimidazolidin was synthesized and its UV-VIS, IR, and NMR spectroscopic data and CHN analysis are presented. Full article
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76 KiB  
Short Note
3-Hydroxy-4-[(phenylimino)methyl]phenyl 4-(Hexadecanoyloxy)benzoate
by Sie-Tiong Ha, Guan-Yeow Yeap and Peng-Lim Boey
Molbank 2012, 2012(3), M762; https://doi.org/10.3390/M762 - 25 Jun 2012
Viewed by 3468
Abstract
A new Schiff base ester, 3-hydroxy-4-[(phenylimino)methyl]phenyl 4-(hexadecanoyloxy)benzoate was synthesized and its IR, 1H-NMR, 13C-NMR and MS spectroscopic data are presented. Full article
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