438458-69-6Relevant academic research and scientific papers
Pumice-based sulfonic acid: a sustainable and recyclable acidic catalyst for one-pot synthesis of pyrazole anchored 1,4-dihydropyridine derivatives at room temperature
Dhawale, Ravindra,Sadaphal, Gayatri,Shirole, Gopinath,Tambe, Adinath
, (2022/01/19)
In the present investigation, we have developed an efficient and eco-friendly protocol for the synthesis of pyrazole anchored 1,4-dihydropyridine analogs using pumice-based sulfonic acid (pumice@SO3H) as a recyclable solid acid catalyst under s
Ionic liquid [HNMP][HSO4] promoted one pot synthesis of 1,4-dihydropyridine derivatives at room temperature
Shirole, Gopinath D.,Mokal, Ramesh A.,Shelke, Sharad N.
, p. 548 - 556 (2017/09/28)
Background: An efficient and green synthesis of various diethyl-1,4-dihydro-2,6-dimethyl-4-(3-aryl-1-phenyl-1H-pyrazol-4-yl)pyridine-3,5-dicarboxylate derivatives was achieved by the multicomponent condensation of 3-aryl-1-phenyl-1H-pyrazole-4-carboxaldeh
An efficient, three-component one-pot preparation of 1,4-dihydropyridines containing novel substituted pyrazole under sulfamic acid catalysis
Li, Jianping,Qiu, Jikuan,Li, Huijuan,Zhang, Guisheng
experimental part, p. 511 - 514 (2012/01/13)
An efficient approach to 1,4-dihydropyridines containing novel substituted pyrazole is achieved via threecomponent reaction of pyrazolyl aldehyde, β-ketoester, and ammonium acetate in one-pot under sulfamic acid catalysis.
