Results 21 to 30 of about 11,918 (214)

Antimicrobial Activity of Some Derivatives of 1,4-Dihydropyridines

Journal of Chemistry, 2013
Hantzsch reported the synthesis of functionalized 1,4-dihydropyridines via three-component condensation of an aromatic aldehyde, ketoester, and ammonium hydroxide.
Prabha Mehta, Prabha Verma
doaj   +1 more source

In vitro bactericidal activities of two novel dihydropyridine derivatives against Mycobacterium tuberculosis

Journal of Infection in Developing Countries, 2017
Introduction: Introducing new and effective antitubercular agents is important in tuberculosis control programs. In this study, the in vitro antitubercular activity of two novel 1,4-dihydropyridine derivatives (F-27, Cl-33) were screened against a total
Mehdi Zandhaghighi, Farzin Hadizadeh, Saman Soleimanpour, Zahra Meshkat, Seyed Abdolrahim Rezaee, Mohammad Derakhshan, Kiarash Ghazvini   +6 more
doaj   +1 more source

An Efficient Method for The Synthesis of Dihydropyridine by Hantzsch Reaction with Fe/SiO2 Nano Heterogeneous Catalysts

Bulletin of Chemical Reaction Engineering & Catalysis, 2020
An efficient method for the synthesis of dihydropyridines (DHPs) by Hantzsch reaction with Fe/SiO2 heterogeneous catalysts was developed. The Fe/SiO2 catalysts was prepared by impregnation method.
Ateeq Rahman, P. N. Nehemia, Moola M. Nyambe   +2 more
doaj   +1 more source

The unique reactivity of 5,6-unsubstituted 1,4-dihydropyridine in the Huisgen 1,4-diploar cycloaddition and formal [2 + 2] cycloaddition

Beilstein Journal of Organic Chemistry, 2023
The three-component reaction of isoquinolines, dialkyl acetylenedicarboxylates, and 5,6-unsubstituted 1,4-dihydropyridines in acetonitrile at room temperature afforded functionalized isoquinolino[1,2-f][1,6]naphthyridines in good yields and with high ...
Xiu-Yu Chen, Hui Zheng, Ying Han, Jing Sun, Chao-Guo Yan   +4 more
doaj   +1 more source

One-step synthesis of pyridines and dihydropyridines in a continuous flow microwave reactor [PDF]

, 2013
The Bohlmann–Rahtz pyridine synthesis and the Hantzsch dihydropyridine synthesis can be carried out in a microwave flow reactor or using a conductive heating flow platform for the continuous processing of material. In the Bohlmann–Rahtz reaction, the use
Bagley, Mark C, Fusillo, Vincenzo, Jenkins, Robert L, Lubinu, M Caterina, Mason, Christopher   +4 more
core   +2 more sources

New synthetic method for the synthesis of 1,4-dihydropyridine using aminated multiwalled carbon nanotubes as high efficient catalyst and investigation of their antimicrobial properties

Journal of Saudi Chemical Society, 2018
Synthesis of 1,4-dihydropyridines in the presence of aminated multiwalled carbon nanotubes and investigation into their antimicrobial properties were carried out.Amino functionalized carbon nanotubes were prepared through a facile, clean and safe ...
Roya Mahinpour, Leila Moradi, Zohreh Zahraei, Nafiseh Pahlevanzadeh   +3 more
doaj   +1 more source

Efficient One-Pot Synthesis of 1,4-Dihydropyridines Catalyzed by Magnetic MnFe2O4 Nanoparticles

Acta Chimica Slovenica, 2022
The efficient one-pot synthesis of some 1,4-dihydropyridines is described by a condensation reaction of some aldehyde derivatives, ethyl acetoacetate and ammonium acetate in the presence of superparamagnetic manganese ferrite nanoparticles at 80 °C.
Somayeh Moradi, Mohsen Moradian, Hossein Naeimi   +2 more
doaj   +1 more source

Photoinduced Removal of Nifedipine Reveals Mechanisms of Calcium Antagonist Action on Single Heart Cells [PDF]

, 1985
The currents through voltage-activated calcium channels in heart cell membranes are suppressed by dihydropyridine calcium antagonists such as nifedipine.
Gurney, Alison M., Lester, Henry A., Nerbonne, Jeanne M.   +2 more
core   +2 more sources

STROKE PREVENTION OPPORTUNITIES FOR CARDIOLOGISTS: COMPLEX MANAGEMENT OF ARTERIAL HYPERTENSION (ROLE OF CALCIUM ANTAGONISTS)

Кардиоваскулярная терапия и профилактика, 2013
The paper focuses on the important issue of cardio-cerebral interactions, cardiac comorbidities, and the need for complex therapeutic approaches. While stroke is traditionally regarded as a neurologic problem, cardiologists play an important role in its ...
E. O. Taratukhin
doaj   +1 more source

A convenient domino access to substituted alkyl 1,2-dihydropyridine- 3carboxylates from propargyl enol ethers and primary amines [PDF]

, 2016
A convenient domino access to substituted alkyl 1,2-dihydropyridine-3- carboxylates from propargyl enol ethers and primary amines was reported. A solution of propargyl sinyl ether 1a and p-anisidine in toluene was placed in a microwave-special closed ...
García-Tellado, Fernando, Méndez-Abt, Gabriela, Tejedor, David   +2 more
core   +1 more source