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Synthesis of imidazopyridines from the Morita-Baylis-Hillman acetates of nitroalkenes and convenient access to Alpidem and Zolpidem.
This methodology is marked by excellent yield, regioselectivity and, above all, adaptability to synthesize imidazopyridine-based drug molecules such as Alpidem and Zolpidem.
Room temperature Suzuki coupling of aryl iodides, bromides, and chlorides using a heterogeneous carbon nanotube-palladium nanohybrid catalyst
Palladium nanoparticles were immobilized on multi-walled carbon nanotubes by a layer-by-layer approach, resulting in a well-defined assembly. The nanohybrid was found effective in promoting Suzuki…
Synthesis and antitumor activity of selenium-containing quinone-based triazoles possessing two redox centres, and their mechanistic insights.
Nitroalkenes in the synthesis of carbocyclic compounds
The applications of nitroalkenes in the synthesis of small, common and medium ring carbocycles, including natural products are investigated in this review. These carbocyclic compounds were…
Direct and Co‐catalytic Oxidation of Hydroxylamines to Nitrones Promoted by Rhodium Nanoparticles Supported on Carbon Nanotubes
Rhodium nanoparticles were assembled on carbon nanotubes, and the resulting nanohybrid was studied in the aerobic oxidation of hydroxylamines to nitrones. Two catalytic systems were developed (i.e.,…
Synthesis of Aminophenanthrenes and Benzoquinolines via Hauser-Kraus Annulation of Sulfonyl Phthalide with Rauhut-Currier Adducts of Nitroalkenes.
The Hauser-Kraus reaction of sulfonyl phthalide with nitroalkene derivatives provides access to aminophenanthrenes, including phenanthrene-substituted amino acids and benzoquinolines, which are derived from primary and secondary amines.
Carbon Nanotube–Gold Nanohybrid Catalyzed N‐Formylation of Amines by using Aqueous Formaldehyde
The N‐formylation of a variety of primary and secondary amines by using aqueous formaldehyde at room temperature in open air affords the corresponding formamides in excellent yield under the…
The Electrochemical Behaviour of Novel Multifunctional a-Hydroxymethylated Nitroalkenes at Glassy Carbon and Wax Impregnated Carbon Paste Electrodes
- Ronald J. Mascarenhas, I. Namboothiri, B. S. Sherigara, K. Mahadevan
- Materials Science, Chemistry
- 11 March 2007
The electrochemical behaviour of novel multifunctional α-hydroxymethylated nitroalkenes was studied with respect to oxidation of -OH moiety and reduction of nitro group using the cyclic voltammetric…
Additions of organomanganese reagents to conjugated nitroolefins
Phosphonylpyrazoles from Bestmann-Ohira reagent and nitroalkenes: synthesis and dynamic NMR studies.
Detailed dynamic NMR studies were performed on the prototropic tautomerism exhibited by the phosphonylpyrazoles and unraveled the existence of two tautomers in solution with a small energy difference but considerable barrier to interconversion.