Results 21 to 30 of about 72,922 (314)

AMIDES ISOLATED FROM THE LEAVES OF Piper tuberculatum Jacq. (Piperaceae) WITH ACETYLCHOLINESTERASE INHIBITION AND LARVICIDAL ACTIVITY AGAINST Aedes aegypti [PDF]

open access: yesQuímica Nova
Piper tuberculatum Jacq. is known to be a promising source of amides, which have shown remarkable biological activities. In this study, a phytochemical investigation of the leaves of P.
Brenda R. C. Leocadio   +10 more
doaj   +1 more source

Enantioselective Hydroalkylation of α,β-Unsaturated Amides through Reversed syn-Hydrometallation of NiH

open access: yes, 2021
Enantioselective synthesis of a wide range of structurally diverse β-chiral amides has been achieved through nickel-catalyzed regio-reversed hydroalkylation of α,β-unsaturated amides with alkyl iodides in the presence of a hydrosilane. Different from the
Fang, Zhou, Shaolin, Zhu
core   +1 more source

Atmospheric Oxidation of Hydroperoxy Amides

open access: yes, 2023
Recently, hydroperoxy amides were identified as major products of OH-initiated autoxidation of tertiary amines in the atmosphere. The formation mechanism is analogous to that found for ethers and sulfides but substantially faster.
Henrik G. Kjaergaard (1298550)   +2 more
core   +2 more sources

Progress on Cassaine-Type Diterpenoid Ester Amines and Amides ( Alkaloids)

open access: yesNatural Product Communications, 2006
The structures, spectral characteristics, and bioactivities of 39 natural cassaine-type diterpenoid ester amines and amides (Erythrophleum alkaloids) and 31 synthetic analogues are reviewed.
Jing Qu   +5 more
doaj   +1 more source

Preparation, Characterization and Evaluation of Some New Amides as Antimicrobial Agents

open access: yesHittite Journal of Science and Engineering, 2020
The some new amide derivatives 1(a-c) and, 2d were synthesized by the two-step N-acylation of 4-nitroaniline or heterocyclic amine derivatives with acyl chlorides.
Aysel Veysioğlu, Şükriye Çakmak
doaj   +1 more source

Alkylation of N-substituted-2-phenylacetamides [PDF]

open access: yesJournal of the Serbian Chemical Society, 2004
Various N-substituted phenylacetamides were alkylated using different alkylating agents under neutral and basic conditions. Reactions were performed at different reaction temperatures and in various solvents. Also, a number of various catalysts were used
Mijin Dušan Ž.   +2 more
doaj   +1 more source

New Sorafenib Derivatives: Synthesis, Antiproliferative Activity Against Tumour Cell Lines and Antimetabolic Evaluation

open access: yesMolecules, 2012
Sorafenib is a relatively new cytostatic drug approved for the treatment of renal cell and hepatocellular carcinoma. In this report we describe the synthesis of sorafenib derivatives 4a–e which differ from sorafenib in their amide part.
Branka Zorc   +8 more
doaj   +1 more source

Metabolites Identification of Bioactive Compounds Daturataturin A, Daturametelin I, N-Trans-Feruloyltyramine, and Cannabisin F From the Seeds of Datura metel in Rats

open access: yesFrontiers in Pharmacology, 2018
Datura metel L. is a widely used traditional herbal medicine, and withanolides and amides are the two groups of main bioactive constituents in Datura metel seeds.
Silun Xu   +7 more
doaj   +1 more source

Adsorption of alkyl amides: monolayer structures and mixing behaviour

open access: yes, 2011
In this work monolayers of alkyl amides adsorbed on a graphite surface have been successfully identified and investigated using a combination of synchrotron X-ray and neutron diffraction and Differential Scanning Calorimetry (DSC).

core   +2 more sources

Difluoroalkylation of tertiary amides and lactams by an iridium-catalyzed reductive Reformatsky reaction

open access: yes, 2021
The synthesis of medicinally relevant α-difluoroalkylated amines by an iridium-catalyzed reductive alkylation of tertiary amides and lactams with difluoro-Reformatsky reagents, is described.
Phillip, Biallas   +2 more
core   +1 more source

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