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

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102 KiB  
Short Note
(3(5) Phenylpyrazol-5(3)-yl)-2-benzoylmethyl Benzimidazole
by Noureddine Hammou Ahabchane, Joseph Téné Ghomsi and El Mokhtar Essassi
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)
117 KiB  
Short Note
2, 9-Diphenylamino-1,10-phenanthroline
by Hai-Yang Liu, Chi-Fong Luo, Kuo-Shen Chuang and Wen-Jwu Wang
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)
185 KiB  
Short Note
4-Phenyl-2,2'-bis(phenylsulfonyl)butane
by F. Matloubi Moghaddam and O. Khakshoor
Molecules 2001, 6(6), M229; https://doi.org/10.3390/M229 - 25 May 2001
Cited by 1
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)
127 KiB  
Short Note
(1S,2S,3R,6R,7R)-Epoxy-himachal-7-ol
by M. Dakir, E. Lassaba, A. Chekroun and A. Benharref
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)
128 KiB  
Short Note
(1S,6S)-Tetrazolo [1,5-g]-7-Aza-trans-himachal-2-ene
by M. Dakir, E. Lassaba and A. Benharref
Molecules 2001, 6(6), M227; https://doi.org/10.3390/M227 - 25 May 2001
Cited by 1
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)
121 KiB  
Short Note
3-(4-Iodo-phenylethynyl)-[1,10]phenanthroline
by Christoph Michel, Davood Habibi and Michael Schmittel
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)
111 KiB  
Short Note
3-Ethynyl-[1,10]phenanthroline
by Christoph Michel, Davood Habibi and Michael Schmittel
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)
118 KiB  
Short Note
3-Trimethylsilanylethynyl-[1,10]phenanthroline
by Christoph Michel, Davood Habibi and Michael Schmittel
Molecules 2001, 6(6), M224; https://doi.org/10.3390/M224 - 25 May 2001
Cited by 6
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)
122 KiB  
Short Note
2-Formyl nor-31-lanosten-3-enol
by M. Daoubi and A. Benharref
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)
136 KiB  
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
by M. Daoubi, A. Benharref and Diego. M. Cortes
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)
123 KiB  
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
by M. Daoubi, A. Benharref and M. Pierrot
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)
114 KiB  
Short Note
1-Diazo-2-(2-quinolinyl)-2-ethanone
by David C. Forbes, Charles O. Gaston, Derrick L. Lewis, Doug W. Morrison and Mary C. Smith
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)
105 KiB  
Short Note
2-Bromo-3-ethylthiazolium Tetrafluoroborate (BET)
by Györgyi Kovács, Zoltán Kele, Péter Forgó and Lajos Kovács
Molecules 2001, 6(6), M219; https://doi.org/10.3390/M219 - 25 May 2001
Cited by 2
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)
121 KiB  
Short Note
4-Morpholino-2-oxo-2H-chromene-3-carbaldehyde
by Boyan I. Iliev and Ivo C. Ivanov
Molecules 2001, 6(6), M218; https://doi.org/10.3390/M218 - 25 May 2001
Cited by 2
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)
119 KiB  
Short Note
(+)-(1R)-N1-{[(1R,1S)-2-Oxocyclohexyl]methyl}-1-phenyl-1-ethanaminium Chloride
by Edmont V. Stoyanov and Ivo C. Ivanov
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)
115 KiB  
Short Note
(R,S)-N-[(2-Oxocyclohexyl)methyl]-2-phenyl-1-ethanaminium Chloride
by Edmont V. Stoyanov and Ivo C. Ivanov
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)
113 KiB  
Short Note
(R,S)-N-[(2-Oxocyclohexyl)methyl]-1-butanaminium Chloride
by Edmont V. Stoyanov and Ivo C. Ivanov
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)
107 KiB  
Short Note
2-Mercapto-5-(2'-isopropyl-5'-methylphenoxymethyl)-1,3,4-triazole
by Abdullah Mohamed Asiri
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)
91 KiB  
Short Note
3-(2-Nitrophenyl)-2-(4-nitrophenyl)-4-thiazolidinone
by Abdullah Mohamed Asiri
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)
91 KiB  
Short Note
3-Cyano-2-(2,5-dimethoxybenzalamino)-4-5-tetramethylenethiophene
by Abdullah Mohamed Asiri
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)
157 KiB  
Short Note
2,4-Dimethyl-3-phenyl-[2'-methyl-3'-chloro]-7-chloro-8-methyl-1,3-diaza-2,4-diboranaphtalene Tricarbonylchromium Complexes
by B. Abouhamza, S. Allaoud and A. Karim
Molecules 2001, 6(6), M211; https://doi.org/10.3390/M211 - 25 May 2001
Cited by 3
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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