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Molbank, Volume 2006, Issue 3 (March 2006)

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Open AccessShort Note Ethyl 1-(4-chlorophenyl)-5,6-dimethyl-7,8a-diphenyl-4,5,6,8a-tetrahydro-1H-[1,2,4] triazolo[4,3-c][1,3]diazine-3-carboxylate
Molbank 2006, 2006(3), M476; doi:10.3390/M476
Received: 15 July 2005 / Accepted: 26 September 2005 / Published: 31 March 2006
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Abstract
Compound 1 [1] (200 mg, 0.41 mmol) was refluxed in dimethylsulfoxide for 30 minutes.[...] Full article
Open AccessShort Note Esterification and hydrolysis under microwave irradiation
Molbank 2006, 2006(3), M477; doi:10.3390/M477
Received: 27 June 2005 / Accepted: 6 September 2005 / Published: 31 March 2006
Cited by 1 | PDF Full-text (140 KB) | HTML Full-text | XML Full-text | Supplementary Files
Abstract
p-methoxy benzoicacid 1 (1.67 g, 0.01 mole) and catalytic amount of conc. H2SO4 (2-3 drops) in absolute methanol (30 mL) was taken in RBF placed in a microwave oven and irradiated (400w, 61-62oC) for 2.5 min [1].[...] Full article
Open AccessShort Note Microwave assisted esterification using Fe2(SO4)3.4H2O/concentrated H2SO4 as efficient catalyst
Molbank 2006, 2006(3), M478; doi:10.3390/M478
Received: 27 June 2005 / Accepted: 6 September 2005 / Published: 31 March 2006
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Abstract
2, 4-D 1 (0.221 g, 1 m mole), Fe2(SO4)3.4H2O (0.423 g, 1 m mole) and conc. H2SO4 (0.098 mL) in absolute methanol (20 mL) was taken in RBF placed in a microwave oven and irradiated (300w, 67-68oC) for 5 min [1].[...] Full article
Open AccessShort Note Synthesis of 1-[3-(2-methyl-5-nitro-1H-imidazol-1-yl)propyl]-1H-1,2,3-benzotriazole and 1-[3-(2-methyl-5-nitro-1H-imidazol-1-yl)butyl]-1H-1,2,3-benzotriazole
Molbank 2006, 2006(3), M479; doi:10.3390/M479
Received: 9 October 2005 / Accepted: 26 October 2005 / Published: 31 March 2006
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Abstract
The title compounds were obtained in reaction 1,2,3-benzotriazole (1) with 1-(3-chloropropyl)- (2a) and 1-(4-bromobutyl)-2-methyl-5-nitro-1H-imidazole (2b) [1].[...] Full article
Open AccessShort Note Synthesis of 5,5-diphenyl-3-(methylthiomethyl)hydantoin and 5,5-diphenyl-3-(methysulfonylomethyl)hydantoin
Molbank 2006, 2006(3), M480; doi:10.3390/M480
Received: 9 October 2005 / Accepted: 18 October 2005 / Published: 31 March 2006
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Abstract
In view of potential biological activity of 5,5-diphenylhydantoin derivatives (psychotropic agents)[1,2,3] we obtained 5,5-diphenyl-3-(methylthiomethyl)hydantoin (2) in reaction of 5,5-diphenylhydantoin (1) with DMSO and subsequently undergo its oxidation reaction to 5,5-diphenyl-3-(methysulfonylomethyl)hydantoin (3) [4].[...] Full article
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