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Molbank, Volume 2000, Issue 4 (July 2000)

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Open AccessShort Note 1-(4-Nitrophenyl)-1-octyne
Molecules 2000, 5(7), M171; https://doi.org/10.3390/M171
Received: 27 June 2000 / Accepted: 17 July 2000 / Published: 30 July 2000
Cited by 1 | Supplementary Files
Abstract
Following the procedure of Takahashi, et al (1), to a mixture of 1-iodo-4-nitrobenzene (7.76 mmol, 1.90g) and 1-octyne (9.3 mmol, 1.023g) in diethylamine (40 mL) are added bis[triphenylphosphine]palladium dichloride (0.2mmol, 0.14g) and copper(I) iodide (0.1mmol, 0.01g).[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Open AccessShort Note 5-(2-Thienylidene)barbituric Acid
Molecules 2000, 5(7), M170; https://doi.org/10.3390/M170
Received: 10 April 2000 / Accepted: 6 July 2000 / Published: 30 July 2000
| Supplementary Files
Abstract
5-(2-Thienylidene)barbituric acid 3 was prepared by Knoevenagel condensation of thiophene- 2-carboxaldehyde 1 and barbituric acid 2 in ethanol using piperidine as a base [1,2].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Open AccessShort Note Trimethyl(trifluorovinyl)silane
Molecules 2000, 5(7), M169; https://doi.org/10.3390/M169
Received: 6 June 2000 / Accepted: 6 July 2000 / Published: 30 July 2000
| Supplementary Files
Abstract
Trimethyl(trifluorovinyl)silane was prepared [1] without characterization details from bromotrifluoroethylene, which is not commercially available.[...] Full article
Open AccessShort Note 1-(2-Benzylaminophenyl)-2-phenylbenzimidazole
Molecules 2000, 5(7), M168; https://doi.org/10.3390/M168
Received: 13 May 2000 / Accepted: 10 June 2000 / Published: 10 July 2000
| Supplementary Files
Abstract
When the imine-amine compound, bis[(2-benzylideneimino)phenyl]amine [1], is heated in presence of a transition metal salt (for example FeCl3), a reaction occur leading to a new compound.[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Open AccessShort Note Bis[(2-benzylideneimino)phenyl]amine
Molecules 2000, 5(7), M167; https://doi.org/10.3390/M167
Received: 13 May 2000 / Accepted: 10 June 2000 / Published: 10 July 2000
| Supplementary Files
Abstract
Imine and amine ligands have been widely used in the field of transition metal catalyzed olefin polymerization [1].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Open AccessShort Note 1,2-Ethylene-bis(o-N2-phenylene-N1,N1-dimethylformamidine)
Molecules 2000, 5(7), M166; https://doi.org/10.3390/M166
Received: 16 May 2000 / Accepted: 2 June 2000 / Published: 10 July 2000
| Supplementary Files
Abstract
A mixture of 3.71 mmol (0.98 g) of bibenzil-2,2-di-yl-diisocyanate (1) [1] and 74.16mmol (5.42 g) of redistilled N,N-dimethylformamide (2) was refluxed under stirring for 8 h, with complete absorption of any carbon dioxide in aqueous potassium hydroxide solution [2]. Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Open AccessShort Note 1,2-Ethylene-bis(p-N2-phenylene-N1,N1-dimethylformamidine)
Molecules 2000, 5(7), M165; https://doi.org/10.3390/M165
Received: 16 May 2000 / Accepted: 2 June 2000 / Published: 10 July 2000
| Supplementary Files
Abstract
A mixture of 4.28 mmol (1.1328 g) bibenzil-4,4-di-yl-diisocyanate (1) [1] and 84 mmol (6.14 g) of redistilled N,N-dimethylformamide (2) was refluxed under stirring using a magnetically stirring-bar for 12 h, with complete absorption for any carbon dioxide in aqueous
[...] Read more.
A mixture of 4.28 mmol (1.1328 g) bibenzil-4,4-di-yl-diisocyanate (1) [1] and 84 mmol (6.14 g) of redistilled N,N-dimethylformamide (2) was refluxed under stirring using a magnetically stirring-bar for 12 h, with complete absorption for any carbon dioxide in aqueous potassium hydroxide solution [2].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Open AccessShort Note 6-Amino-2-phenylimidazo[4,5-e][1,3]diazepine-4,8(1H, 5H)-dione
Molecules 2000, 5(7), M164; https://doi.org/10.3390/M164
Received: 17 May 2000 / Accepted: 2 June 2000 / Published: 10 July 2000
| Supplementary Files
Abstract
The starting imidazole diester (1) was prepared by esterification of the corresponding dicarboxylic acid acccording to the literature procedure [1,2].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Open AccessShort Note Cycloeucalen-3ß-(2-methyl Butanoate). New Cycloeucalen Isolated from the Espeletia barclayana Cuatr (Asteraceae)
Molecules 2000, 5(7), M163; https://doi.org/10.3390/M163
Received: 1 April 2000 / Accepted: 18 May 2000 / Published: 10 July 2000
Cited by 1 | Supplementary Files
Abstract
Continuing our studies of the Espeletia barclayana Cuatr.[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
Open AccessShort Note N-(9-Fluorenylmethoxycarbonyl)-L-serine Amide
Molecules 2000, 5(7), M162; https://doi.org/10.3390/M162
Received: 10 April 2000 / Accepted: 25 April 2000 / Published: 10 July 2000
| Supplementary Files
Abstract
The synthesis of N-Fmoc-L-serine amide was performed by the well known Schotten-Baumann acylation method [1].[...] Full article
(This article belongs to the Section Molbank Section of Molecules, 1997-2001)
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