Results 121 to 130 of about 5,065 (202)

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

open access: yesActa 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   +2 more
doaj   +1 more source

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

open access: yesNanomaterials (Basel), 2021
Petrichenko O   +7 more
europepmc   +1 more source

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

open access: yesResults 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   +2 more
doaj   +1 more source

Synthesis of enamines and their bromination [PDF]

open access: yes, 2011
Enamines represent an important class of reactive intermediates in organic synthesis. They are frequently used as a potential building block to access several types of heterocyclic ring systems and biologically active analogues.
Thakur, Vasundhara
core  

REACTIONS OF DIHYDROPYRIDINES WITH BENZYNE [PDF]

open access: yesJournal of Sciences, Islamic Republic of Iran, 1998
Reactions of 1 ,Zdihydropyridines (la-c) and 1,4-dihydropyridines (2a-c) in the presence of benzyne (3) under thermal conditions, and in the case of (2c) under photochemical conditions, have been investigated.
doaj  

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