Molbank

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Synthesis of Phenylhydrazone of 5-Acetyl-3-(Methylsulfanyl)-1,2,4-Triazine and 3-Methyl-5-(Methylsulfanyl)-1-Phenyl-1H-Pyrazolo[4,3-e][1,2,4]Triazine from Pivotal Intermediate

by

Mariusz Mojzych

Molbank 2005, 2005(1), M404; https://doi.org/10.3390/M404 - 01 Jul 2005

Viewed by 2714

Abstract

As part of ongoing research programme on bicyclic heterocycles [1,2,3,4] we have elaborated a new approach to 1H-pyrazolo[4,3-e][1,2,4]triazine derivative 3 and its synthetic precursor 2 by reaction of oxime 5-acetyl-3-(methylsulfanyl)-1,2,4-triazine (1) with phenylhydrazine hydrochloride under different reaction conditions.[...] Full article

Open AccessShort Note

1,1-Dicyanovinyl-2-ferrocene

by

Abdullah Mohamed Asiri

Molbank 2005, 2005(1), M403; https://doi.org/10.3390/M403 - 01 Jul 2005

Cited by 3 | Viewed by 3493

Abstract

To a refluxed solution of ferrocenecarboxaldehyde 1 (2.14g, 0.01 mol) and malononitrile 2 (0.66g, 0.01 mmol) in ethanol (25 ml), Piperidine (1 ml) was added.[...] Full article

Open AccessShort Note

5-Ferrocnylidene(1,3-diethylthiobarbituric acid)

by

Abdullah Mohamed Asiri

Molbank 2005, 2005(1), M402; https://doi.org/10.3390/M402 - 01 Jul 2005

Viewed by 3015

Abstract

There is considerable interest in the synthesis of new materials with large second-order optical non-linearity because of their potential applications in optical data storage, telecommunications and optical signals processing ^1-4.[...] Full article

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Synthesis of 4-tert-butyl-2-(thiomorpholin-4-ylmethyl)phenol, and 4-tert-butyl-2,6-bis(thiomorpholin-4-ylmethyl)phenol

by A. Ma. Velázquez, L. Torres, R. Gonzále, I. Martínez, A. Valencia, A. Pecin, L. Torres, I. Mencon, L. Martínez, A. Ramírez, R. Hernández, R. López-Castañares, O. Olvera-Neria and E. Angeles

Molbank 2005, 2005(1), M401; https://doi.org/10.3390/M401 - 01 Jul 2005

Cited by 1 | Viewed by 3215

Abstract

4-tert-butyl-2-(thiomorpholin-4-ylmethyl)phenol (2) and 4-tert-butyl-2,6-bis(thiomorpholin-4-ylmethyl)phenol (3) were prepared from 4-tert-butylphenol (1) and thiomorpholine and formaldehyde (37%) in methanol as solvent.[...] Full article

Open AccessShort Note

Synthesis of 4-chloro-2-(thiomorpholin-4-ylmethyl)phenol

by A. Ma. Velázquez, L. Torres, R. González, A. Valencia, A. Pecina, I. Menconi, I. Martínez, L. Martínez, A. Ramírez, R. Hernández, R. López-Castañares, O. Olvera-Neria and

E. Angeles

Molbank 2005, 2005(1), M400; https://doi.org/10.3390/M400 - 01 Jul 2005

Cited by 1 | Viewed by 3268

Abstract

4-chloro-2-(thiomorpholin-4-ylmethyl)phenol (2) was prepared from 4-chlorophenol (1) and thiomorpholine and formaldehyde (37%) in methanol as solvent.[...] Full article

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Synthesis of 4,6-bis(thiomorpholin-4-ylmethyl)-1,2,3-benzenetriol

by A. Ma. Velázquez, L. Torres, R. González, A. Valencia, I. Martínez, A. Pecina, I. Menconi, L. Martínez, A. Ramírez, R. Hernández, R. López-Castañares, O. Olvera-Neria and

E. Angeles

Molbank 2005, 2005(1), M399; https://doi.org/10.3390/M399 - 01 Jul 2005

Viewed by 3548

Abstract

4,6-bis(thiomorpholin-4-ylmethyl)-1,2,3-benzenetriol (2) was prepared from pyrogalol (1) and thiomorpholine and formaldehyde (37%) in methanol as solvent.[...]
Full article

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N’,N’-bis[(3,5-dimethyl-1-pyrazolyl)methyl],N,N-dimethyl-para-phenylenediamine

by

Ibrahim Bouabdallah

, Ismail Zidane, Rachid Touzani and Abdelkrim Ramdani

Molbank 2005, 2005(1), M398; https://doi.org/10.3390/M398 - 01 Jul 2005

Cited by 3 | Viewed by 3153

Abstract

The mixture of N,N-dimethyl-para-phenylenediamine 2 (136 mg, 10 mmol) and 1-hydroxy-methyl-3,5-dimethylpyrazol 1 (252 mg, 20 mmol) in CH₃CN (20 mL), was stirred at room temperature for five days[1,2].[...] Full article

Open AccessShort Note

N,N-bis[3-(1,5-dimethylpyrazolyl)methyl]aniline

by

Ibrahim Bouabdallah

, Ismail Zidane, Rachid Touzani and Abdelkrim Ramdani

Molbank 2005, 2005(1), M397; https://doi.org/10.3390/M397 - 01 Jul 2005

Cited by 3 | Viewed by 3333

Abstract

The mixture of aniline 1 (97 mg, 1 mmol), 3-chloromethyl-1,5-dimethyl pyrazol 2 (301.6 mg, 2 mmol) and sodium carbonate (444 mg, 4 mmol) in acetonitrile (10 mL) was refluxed for three hours [1, 2].[...] Full article

Open AccessShort Note

5-Hydroxy-2-methyl-3-oxo-6-(2,2,3-trimethyl-cyclopent-3-enyl)-hexanoic acid ethyl ester

by Mercedes Pérez-Bonilla, Juan M. Castro, Pablo J. Linares-Palomino, Sofía Salido,

Joaquín Altarejos

, Manuel Nogueras and Adolfo Sánchez

Molbank 2005, 2005(1), M396; https://doi.org/10.3390/M396 - 01 Jul 2005

Viewed by 3099

Abstract

Sodium (241 mg, 10.48 mmol) was added to absolute ethanol (40 mL) and the mixture refluxed until sodium reacted completely. Full article

Open AccessShort Note

(Z)-2-Methyl-3-(1-phenyl-ethylamino)-but-2-enoic acid ethyl ester

by Mercedes Pérez-Bonilla, Juan M. Castro, Pablo J. Linares-Palomino,

Joaquín Altarejos

, Manuel Nogueras, Adolfo Sánchez and Sofía Salido

Molbank 2005, 2005(1), M395; https://doi.org/10.3390/M395 - 01 Jul 2005

Viewed by 3263

Abstract

p-Toluenesulfonic acid (48 mg, 0.25 mmol) was added to a stirred mixture of ethyl 2-methyl-acetoacetate (1) (346 mg, 2.40 mmol) and a-methylbenzylamine (2) (358 mg, 2.95 mmol) in toluene (13 mL) [1].[...] Full article

Open AccessShort Note

exo-N-(5,5-Dimethyl-6-methylene-bicyclo[2.2.1]hept-2-yl)-4-methyl-benzenesulfonamide

by Concepción Badía, Juan M. Castro, Pablo J. Linares-Palomino, Sofía Salido,

Joaquín Altarejos

, Manuel Nogueras and Adolfo Sánchez

Molbank 2005, 2005(1), M394; https://doi.org/10.3390/M394 - 01 Jul 2005

Viewed by 2869

Abstract

p-Toluenesulfonic acid (35 mg, 0.20 mmol) was added to a stirred mixture of campholenic aldehyde (1) (725 mg, 3.81 mmol) and p-toluenesulfonamide (1.22 g, 6.96 mmol) in toluene (20 mL).[...] Full article

Open AccessShort Note

3-Methyl-3-(6,6,6a-trimethyl-hexahydro-cyclopenta[b]furan-2-yl)-butan-2-one

by Juan M. Castro, Ramón Porras, Pablo J. Linares-Palomino, Sofía Salido,

Joaquín Altarejos

, Manuel Nogueras and Adolfo Sánchez

Molbank 2005, 2005(1), M393; https://doi.org/10.3390/M393 - 01 Jul 2005

Cited by 1 | Viewed by 2784

Abstract

A 40% aqueous solution of sulfuric acid (0.5 mL) was added to a stirred solution of 3,3-dimethyl- 4-hydroxy-5-(2,2,3-trimethyl-3-cyclopentenyl)-pentan-2-one (1) (630 mg, 2.65 mmol) in methanol (5 mL) and the mixture refluxed for 1.5 h.[...] Full article

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Molbank, Volume 2005, Issue 1 (July 2005) – 12 articles

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