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Molbank, Volume 2001, Issue 2 (June 2001)

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Displaying articles 1-21
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Open AccessShort Note (3(5) Phenylpyrazol-5(3)-yl)-2-benzoylmethyl Benzimidazole
Molecules 2001, 6(6), M231; https://doi.org/10.3390/M231
Received: 12 January 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note 2, 9-Diphenylamino-1,10-phenanthroline
Molecules 2001, 6(6), M230; https://doi.org/10.3390/M230
Received: 5 February 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
Cited by 1 | PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note 4-Phenyl-2,2'-bis(phenylsulfonyl)butane
Molecules 2001, 6(6), M229; https://doi.org/10.3390/M229
Received: 16 February 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note (1S,2S,3R,6R,7R)-Epoxy-himachal-7-ol
Molecules 2001, 6(6), M228; https://doi.org/10.3390/M228
Received: 12 February 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note (1S,6S)-Tetrazolo [1,5-g]-7-Aza-trans-himachal-2-ene
Molecules 2001, 6(6), M227; https://doi.org/10.3390/M227
Received: 18 February 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note 3-(4-Iodo-phenylethynyl)-[1,10]phenanthroline
Molecules 2001, 6(6), M226; https://doi.org/10.3390/M226
Received: 21 February 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note 3-Ethynyl-[1,10]phenanthroline
Molecules 2001, 6(6), M225; https://doi.org/10.3390/M225
Received: 21 February 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
Cited by 4 | PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note 3-Trimethylsilanylethynyl-[1,10]phenanthroline
Molecules 2001, 6(6), M224; https://doi.org/10.3390/M224
Received: 21 February 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
Cited by 5 | PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note 2-Formyl nor-31-lanosten-3-enol
Molecules 2001, 6(6), M223; https://doi.org/10.3390/M223
Received: 19 February 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort 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
Received: 19 February 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB)
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)
Open AccessShort 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
Received: 19 February 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note 1-Diazo-2-(2-quinolinyl)-2-ethanone
Molecules 2001, 6(6), M220; https://doi.org/10.3390/M220
Received: 20 January 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note 2-Bromo-3-ethylthiazolium Tetrafluoroborate (BET)
Molecules 2001, 6(6), M219; https://doi.org/10.3390/M219
Received: 20 January 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
Cited by 1 | PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note 4-Morpholino-2-oxo-2H-chromene-3-carbaldehyde
Molecules 2001, 6(6), M218; https://doi.org/10.3390/M218
Received: 23 February 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
Cited by 1 | PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note (+)-(1R)-N1-{[(1R,1S)-2-Oxocyclohexyl]methyl}-1-phenyl-1-ethanaminium Chloride
Molecules 2001, 6(6), M217; https://doi.org/10.3390/M217
Received: 20 January 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note (R,S)-N-[(2-Oxocyclohexyl)methyl]-2-phenyl-1-ethanaminium Chloride
Molecules 2001, 6(6), M216; https://doi.org/10.3390/M216
Received: 20 January 2001 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note (R,S)-N-[(2-Oxocyclohexyl)methyl]-1-butanaminium Chloride
Molecules 2001, 6(6), M215; https://doi.org/10.3390/M215
Received: 20 January 2000 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note 2-Mercapto-5-(2'-isopropyl-5'-methylphenoxymethyl)-1,3,4-triazole
Molecules 2001, 6(6), M214; https://doi.org/10.3390/M214
Received: 18 December 2000 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note 3-(2-Nitrophenyl)-2-(4-nitrophenyl)-4-thiazolidinone
Molecules 2001, 6(6), M213; https://doi.org/10.3390/M213
Received: 18 December 2000 / Accepted: 15 May 2001 / Published: 25 May 2001
Cited by 1 | PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort Note 3-Cyano-2-(2,5-dimethoxybenzalamino)-4-5-tetramethylenethiophene
Molecules 2001, 6(6), M212; https://doi.org/10.3390/M212
Received: 18 December 2000 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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)
Open AccessShort 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
Received: 15 December 2000 / Accepted: 15 May 2001 / Published: 25 May 2001
PDF Full-text (13 KB) | Supplementary Files
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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