299919-79-2Relevant academic research and scientific papers
Preparation of silica-bonded N-propyltriethylenetetramine as a recyclable solid base catalyst for the synthesis of 4,4′-(arylmethylene)bis(1H- pyrazol-5-ols)
Niknam, Khodabakhsh,Habibabad, Maryam Sadeghi,Deris, Abdollah,Aeinjamshid, Nasrin
, p. 987 - 992 (2013)
Silica-bonded N-propyltriethylenetetramine was prepared via the reaction between 3-silicapropyl chloride and triethylenetetramine. This heterogeneous solid base was used as a catalyst for the synthesis of 4,4′- (arylmethylene)bis(1H-pyrazol-5-ols) by a on
Efficient pseudo five-component synthesis of 4,4′-(arylmethylene)-bis(3-methyl-1-phenyl-1H-pyrazol-5-ol) derivatives promoted by a novel ionic liquid catalyst
Abshirini, Zahra,Zare, Abdolkarim
, p. 191 - 195 (2018/04/23)
In this research, initial production and characterization of a novel Br?nsted-acidic ionic liquid, namely, N,N,N′,N′-tetramethylethylenediaminium-N,N′-disulfonic acid hydrogen sulfate ([TMEDSA][HSO4]2), has been described (characteri
One-pot efficient pseudo-five-components synthesis of 4,4′-(arylmethylene)bis(3-methyl-1-phenyl-1H-pyrazol-5-ols) at room temperature assisted by K2CO3
Banerjee, Dipanwita,Karmakar, Rajiv,Kayal, Utpal,Maiti, Gourhari
supporting information, p. 1006 - 1012 (2017/05/04)
A convenient approach for the synthesis of 4,4′-(arylmethylene)-bis(3-methyl-1-phenyl-1H-pyrazol-5-ols) by an efficient one-pot reaction of aromatic aldehydes, phenylhydrazine, and ethyl acetoacetate by using substoichiometric amount of K2COsu
Sulfuric acid ([3-(3-Silicapropyl)sulfanyl]propyl)ester as a recyclable catalyst for the synthesis of 4,4′-(Arylmethylene)bis(1H-pyrazol-5-ols)
Tayebi, Shekoofeh,Baghernejad, Mojtaba,Saberi, Dariush,Niknam, Khodabakhsh
experimental part, p. 1477 - 1483 (2012/06/30)
Sulfuric acid ([3-(3-silicapropyl)sulfanyl]propyl)ester is employed as a recyclable catalyst for the condensation reaction between aromatic aldehydes and 3-methyl-l-phenyl-5-pyrazolone. This condensation reaction was performed in ethanol under refluxing c
Sulfuric Acid ([3-(3-Silicapropyl)sulfanyl]propyl)ester as a Recyclable Catalyst for the Synthesis of 4,4′-(Arylmethylene)bis(1H-pyrazol-5-ols)
Tayebi, Shekoofeh,Baghernejad, Mojtaba,Saberi, Dariush,Niknam, Khodabakhsh
, p. 1477 - 1483 (2016/04/10)
Sulfuric acid ([3-(3-silicapropyl)sulfanyl]propyl)ester is employed as a recyclable catalyst for the condensation reaction between aromatic aldehydes and 3-methyl-l-phenyl-5-pyrazolone. This condensation reaction was performed in ethanol under refluxing c
Cellulose sulfuric acid as a new, biodegradable and environmentally friendly biopolymer for synthesis of 4,4'-(arylmethylene)bis(3-methyl-1-phenyl- 1H-pyrazol-5-ols)
Mosaddegh, Elaheh,Hassankhani, Asadollah,Baghizadehb, Amin
experimental part, p. 419 - 420 (2011/11/30)
The one-pot multicomponent synthesis of 4,4'-arylmethylene-bis(3-methyl-1- phenyl-1H-pyrazol-5-ol) was performed effectively by tandem Knoevenagel-Michael reaction of aryl aldehydes and 5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one in the presence of a c
