Results 121 to 130 of about 5,082 (203)

Titanium dioxide nanoparticles catalyzed synthesis of Hantzsch esters and polyhydroquinoline derivatives

, 2012
1,4-Dihydropyridine and polyhydroquinoline derivatives have been prepared efficiently in a one-pot synthesis via Hantzsch condensation using nanosized titanium dioxide as a heterogeneous catalyst. The present methodology offers several advantages such as
Alaee, E., Alinezhad, H., Jahani, F., Khaksar, S., Khanian, M., Rezaee, P., Tajbakhsh, M., Tajbakhsh, M.   +7 more
core   +1 more source

A multifaceted approach for the development of novel Hantzsch 1,4-dihydropyridines as anticancer agents: Rational design, parallel synthesis, analysis, cytotoxicity and EGFR/HER2 inhibition studies

Results in Chemistry
Dihydropyridines (DHPs) exhibit a wide range of pharmacological properties especially against cancer. In this context, a new series of 1,4-dihydropyridines were meticulously designed employing scaffold hybridization technique targeting the EGFR/HER2 ...
A.S.V.L. Sruthi, Syed Faizan, Hemant Vikram, N.G. Veena, Aishwarya Susil, Haritha Harindranath, S. Vasanth Kumar, Vasanth Kumar Shivaraju, B.R. Prashantha Kumar   +8 more
doaj   +1 more source

Intramolecular carbolithiation of N-allyl-ynamides: an efficient entry to 1,4-dihydropyridines and pyridines – application to a formal synthesis of sarizotan

Beilstein Journal of Organic Chemistry, 2012
We have developed a general synthesis of polysubstituted 1,4-dihydropyridines and pyridines based on a highly regioselective lithiation/6-endo-dig intramolecular carbolithiation from readily available N-allyl-ynamides.
Wafa Gati, Mohamed M. Rammah, Mohamed B. Rammah, Gwilherm Evano   +3 more
doaj   +1 more source

Preparation, Antibacterial Activity, and Catalytic Application of Magnetic Graphene Oxide-Fucoidan in the Synthesis of 1,4-Dihydropyridines and Polyhydroquinolines. [PDF]

ChemistryOpen, 2021
Nosrati A, Amirnejat S, Javanshir S.
europepmc   +1 more source

Синтез і протимікробна дія нових 4-піразоловмісних 1,4-дигідропіридин-3,5-дикарбоксилатів і 3,4-дигідро-піримідин-5-карбоксилатів [PDF]

, 2015
Трикомпонентною циклоконденсацією етил 4-формілпіразол-3-карбоксилатів із етилацетоацетатом та амонію ацетатом або сечовиною отримані відповідно 4-[(3-етоксикарбоніл)-4-піразоліл]-1,4-дигідро-3,5-піридиндикарбоксилати і 4-[(3-етоксикарбоніл)-4-піразоліл]-
Барус, М. М., Братенко, М. К., Вовк, М. В., Ротар, Д.В.   +3 more
core  

Nano MgCuAl2O5: Synthesis by Sol-Gel Auto-Combustion Process, Characterization and Reusable Heterogeneous Catalyst for the Hantzsch 1,4-Dihydropyridine Reaction

Acta Chimica Slovenica
For the first time, MgCuAl2O5 heterogeneous nanocatalysts were prepared by sol-gel auto-combustion method, which displayed great yield and suitable activity for the preparation of 1,4-DHP derivatives with high efficiency in green solvent ethanol/water ...
Marzieh Mahmoodi Keshtiban, Abbas Nikoo, Bakhshali Massoumi   +2 more
doaj   +1 more source

Evaluation of Physicochemical Properties of Amphiphilic 1,4-Dihydropyridines and Preparation of Magnetoliposomes. [PDF]

Nanomaterials (Basel), 2021
Petrichenko O, Plotniece A, Pajuste K, Rucins M, Dimitrijevs P, Sobolev A, Sprugis E, Cēbers A.   +7 more
europepmc   +1 more source

Recent developments in the nanomaterial-catalyzed green synthesis of structurally diverse 1,4-dihydropyridines. [PDF]

RSC Adv, 2021
Mathur R, Negi KS, Shrivastava R, Nair R.   +3 more
europepmc   +1 more source

A CMC-g-poly(AA-co-AMPS)/Fe₃O₄ hydrogel nanocomposite as a novel biopolymer-based catalyst in the synthesis of 1,4-dihydropyridines. [PDF]

RSC Adv, 2023
Hemmati E, Soleimani-Amiri S, Kurdtabar M.   +2 more
europepmc   +1 more source

Efficient and eco-friendly synthesis of Hantzsch’s 1,4-dihydropyridines by recyclable organocatalyst N-(phenylsulfonyl)benzene sulfonamide

Results in Chemistry
A simple, inexpensive, and efficient synthesis of 1,4-dihydropyridines in good yield in the presence of an organocatalyst N-(phenylsulfonyl)benzene sulfonamide in an eco-friendly solvent at 75 °C is described. The key advantages of the present method are
Sunil Ghoderao, Priyanka Bandivadekar, Ganesh U. Chaturbhuj   +2 more
doaj   +1 more source