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Molbank, Volume 2001, Issue 2 (June 2001) – 21 articles

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Short Note
(3(5) Phenylpyrazol-5(3)-yl)-2-benzoylmethyl Benzimidazole
Molecules 2001, 6(6), M231; https://doi.org/10.3390/M231 - 25 May 2001
Abstract
The compound 3, which exists in tautomeric equilibria between enamine (form A) and methylene imine (form B) as schown in scheme 1, was prepared by addition of the 3,3-dimercapto-1-phenyl-prop-2-ene-1-one 2 to 3-N-(2-aminophenylamino)-5-phenylpyrazole 1 [1].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
2, 9-Diphenylamino-1,10-phenanthroline
Molecules 2001, 6(6), M230; https://doi.org/10.3390/M230 - 25 May 2001
Cited by 1
Abstract
2,9-Dichloro-1,10-phenanthroline was prepared by a previously published method [1].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
4-Phenyl-2,2'-bis(phenylsulfonyl)butane
Molecules 2001, 6(6), M229; https://doi.org/10.3390/M229 - 25 May 2001
Abstract
During our investigation of the chemistry of bis-gemdiphenylsulphinyl and sulfonyls [1], we have prepared the 4-phenyl-2,2'-bis (phenylsulfonyl)butane from the corresponding thioketal by dimethyldioxirane oxidation [2].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
(1S,2S,3R,6R,7R)-Epoxy-himachal-7-ol
Molecules 2001, 6(6), M228; https://doi.org/10.3390/M228 - 25 May 2001
Abstract
To a mixture of lithium aluminium hydride (0,16 g, 4 mmol) in dry ether (50 mL) [1] was added a solution of (10 mL) of epoxide 1 [1,2] (1 g, 4 mmol) in dry ether dropwise at room temperature.[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
(1S,6S)-Tetrazolo [1,5-g]-7-Aza-trans-himachal-2-ene
Molecules 2001, 6(6), M227; https://doi.org/10.3390/M227 - 25 May 2001
Abstract
To a solution of 1 (2 g, 9.7 mmol) [1] in trifluoroacetic acid (15 mL) was added by portions during 30 min (1 g, 0.016 mole) sodium azoture [2,3] at -10 °C.[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
3-(4-Iodo-phenylethynyl)-[1,10]phenanthroline
Molecules 2001, 6(6), M226; https://doi.org/10.3390/M226 - 25 May 2001
Abstract
The experimental procedure follows a protocol developed by Sonogashira [1].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
3-Ethynyl-[1,10]phenanthroline
Molecules 2001, 6(6), M225; https://doi.org/10.3390/M225 - 25 May 2001
Cited by 4
Abstract
The experimental procedure follows a protocol developed by Eaborn [1].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
3-Trimethylsilanylethynyl-[1,10]phenanthroline
Molecules 2001, 6(6), M224; https://doi.org/10.3390/M224 - 25 May 2001
Cited by 5
Abstract
The experimental procedure follows a protocol developed by Sonogashira [1] and recently used for the preparation of macrocyclic phenanthrolines.[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
2-Formyl nor-31-lanosten-3-enol
Molecules 2001, 6(6), M223; https://doi.org/10.3390/M223 - 25 May 2001
Abstract
To a solution of 1 [1] (1 g, 2.25 mmol) in 50 mL of dry benzene held under nitrogen, was added 0.5 mL of ethyl formate [2] (distilled from phosphorus pentoxide) followed by a solution of (0.45 g, 8.33mmol) of sodium in 35 [...] Read more.
To a solution of 1 [1] (1 g, 2.25 mmol) in 50 mL of dry benzene held under nitrogen, was added 0.5 mL of ethyl formate [2] (distilled from phosphorus pentoxide) followed by a solution of (0.45 g, 8.33mmol) of sodium in 35 mL of absolute methyl alcohol.[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
(1S,4R,5R,8R,9S,12R,13S),12-(1S-Hydroxyethyl)-13-(N-benzyl-2-carboxamido Ethyl)-5-(1,5-dimethylhexyl)-1,9-epoxy-4,8,13-trimethyl Tricyclo [7,4,0,0,4,8] Tridecane
Molecules 2001, 6(6), M222; https://doi.org/10.3390/M222 - 25 May 2001
Abstract
A mixture 1 [1] (1 g, 2.25 mmol) and benzylamine [2] as a solvent was refluxed for 3 hours.[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
(1S,4R,5R,8R,9S,12R,13S) 12-(1S-Hydroxyethyl)-13-(3-hydroxypropyl)-5-(1,5-dimethylhexyl)-1,9-epoxy-4,8,13 Trimethyl Tricyclo [7,4,0,04,8] Tridecane
Molecules 2001, 6(6), M221; https://doi.org/10.3390/M221 - 25 May 2001
Abstract
A mixture of 1 (1 g, 2.25 mmol) and lithium aluminium hydride (0.34 g, 8.94 mmol) in 40 mL of THF was refluxed for 12 h. Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
1-Diazo-2-(2-quinolinyl)-2-ethanone
Molecules 2001, 6(6), M220; https://doi.org/10.3390/M220 - 25 May 2001
Abstract
Diazoketone 2 was prepared using 2,4,6-trichloro-1,3,5-triazine (cyanuric chloride) as coupling reagent allowing for the efficient transfer of diazomethane to commercially available carboxylic acid 1 [1].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
2-Bromo-3-ethylthiazolium Tetrafluoroborate (BET)
Molecules 2001, 6(6), M219; https://doi.org/10.3390/M219 - 25 May 2001
Cited by 1
Abstract
Recent progress in peptide synthesis resulted in the elaboration of novel coupling agents. One successful approach involves the application of thiazolium salts, e.g. 2-bromo-3-ethyl-4-methylthiazolium tetrafluoroborate (BEMT) [1-3].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
4-Morpholino-2-oxo-2H-chromene-3-carbaldehyde
Molecules 2001, 6(6), M218; https://doi.org/10.3390/M218 - 25 May 2001
Cited by 1
Abstract
The title compound 3 has been allegedly prepared earlier [1] by refluxing the same starting materials 1 and 2 in ethanol for 10 min. Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
(+)-(1R)-N1-{[(1R,1S)-2-Oxocyclohexyl]methyl}-1-phenyl-1-ethanaminium Chloride
Molecules 2001, 6(6), M217; https://doi.org/10.3390/M217 - 25 May 2001
Abstract
The Mannich bases of cyclohexanone with benzylamine and 3,4-methylenedioxybenzylamine hydrochlorides have been prepared in moderate yields using aqueous formaldehyde solution [1].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
(R,S)-N-[(2-Oxocyclohexyl)methyl]-2-phenyl-1-ethanaminium Chloride
Molecules 2001, 6(6), M216; https://doi.org/10.3390/M216 - 25 May 2001
Abstract
The Mannich bases of cyclohexanone with benzylamine and 3,4-methylenedioxybenzylamine hydrochlorides have been prepared in moderate yields using aqueous formaldehyde solution [1].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
(R,S)-N-[(2-Oxocyclohexyl)methyl]-1-butanaminium Chloride
Molecules 2001, 6(6), M215; https://doi.org/10.3390/M215 - 25 May 2001
Abstract
The Mannich bases of cyclohexanone with benzylamine and 3,4-methylenedioxybenzylamine hydrochlorides have been prepared in moderate yields using aqueous formaldehyde solution [1].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
2-Mercapto-5-(2'-isopropyl-5'-methylphenoxymethyl)-1,3,4-triazole
Molecules 2001, 6(6), M214; https://doi.org/10.3390/M214 - 25 May 2001
Abstract
The triazole derivative 2 was prepared from 4-[2'-isopropyl-5'-methylphenoxyacyl]thiosemicarbazide 1 by heating under reflux with aqueous NaOH [1,2].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
3-(2-Nitrophenyl)-2-(4-nitrophenyl)-4-thiazolidinone
Molecules 2001, 6(6), M213; https://doi.org/10.3390/M213 - 25 May 2001
Cited by 2
Abstract
The 4-thiazolidinone 3 was prepared from the Schiff base 1 thioglycolic acid 2 [1,2]. Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
3-Cyano-2-(2,5-dimethoxybenzalamino)-4-5-tetramethylenethiophene
Molecules 2001, 6(6), M212; https://doi.org/10.3390/M212 - 25 May 2001
Abstract
3-Cyano-2-(2,5-dimethoxybenzalamino)-4-5-tetramethylenethiophene was prepared by condensation of 2-amino-3-cyano-4,5-tetramethylenethiophene 1 and 2,5-dimethoxybenzaldehyde 2 [1,2].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Short Note
2,4-Dimethyl-3-phenyl-[2'-methyl-3'-chloro]-7-chloro-8-methyl-1,3-diaza-2,4-diboranaphtalene Tricarbonylchromium Complexes
Molecules 2001, 6(6), M211; https://doi.org/10.3390/M211 - 25 May 2001
Cited by 2
Abstract
All reactions were carried out under dry nitrogen using Schlenk techniques. 2,4–Dimethyl-3-phenyl-[2’-methyl-3’-chloro]-7-chloro-8-methyl-1,3-diaza-2,4-diboranaphtalene tricarbonylchromium complexes were obtained by a classical method [1].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
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