Results 71 to 80 of about 15,657 (274)

Activation of Rac-1 and RhoA contributes to podocyte injury in chronic kidney disease [PDF]

open access: yes, 2013
Rho-family GTPases like RhoA and Rac-1 are potent regulators of cellular signaling that control gene expression, migration and inflammation. Activation of Rho-GTPases has been linked to podocyte dysfunction, a feature of chronic kidney diseases (CKD). We
Amann, Kerstin   +13 more
core   +3 more sources

Photocatalytic Hydrogenation of Quinolines to Form 1,2,3,4‐Tetrahdyroquinolines Using Water as the Hydrogen Atom Donor

open access: yesAngewandte Chemie International Edition, EarlyView.
A sequential process combining hydrogenation and a subsequent stereomutation is presented for trans selective hydrogenation of quinolines using water as the hydrogen atom source. Mechanistic studies reveal that the hydrogenation proceeds through a cascade process comprising an initial cis selective photocatalytic hydrogenation of the heteroarene core ...
Jingjing Zhang   +6 more
wiley   +1 more source

The Cyclisation of l-Aryl-2-Benzamidoalkan-l-Ols to 4,5-DihydroOxazoles or Isoquinolines [PDF]

open access: yes, 1990
The cyclisation of several N-benzoyl derivatives of 2-amino-l-phenylpropan-l-ol w~e carried out employing the Pictet-Cams modification ofthe BischlerNapieralski reaction. The formation of4, 5-dihydro-oxazoles orisoquinolines depends on the substituents
Md. Sharif, Atan, O. Fitton, Alan
core  

Synthesis of Dihydroindoloisoquinolines through Copper‐Catalyzed Cross‐Dehydrogenative Coupling of Tetrahydroisoquinolines and Nitroalkanes [PDF]

open access: yes, 2018
Lately, the cross‐dehydrogenative coupling of tetrahydroisoquinolines and nitroalkanes has become a widely studied reaction in organic chemistry; the corresponding β‐nitroamines are generally formed irrespective of the catalysis and activation mode ...
Allen   +41 more
core   +2 more sources

Hysteresis Photomodulation within Photochromic Assemblies of [Dy(Tp2−py)F]+ Single‐Molecule Magnets : Influence of the Supramolecular Magnetic Couplings.

open access: yesChemistry – A European Journal, Volume 31, Issue 16, March 17, 2025.
Several assemblies of Dysprosium based SMMs with photochromic ligands featuring full photoconversion of the ligands within single crystals are reported. Magnetic slow relaxation as well as magnetic hysteresis are observed and can be both modulated upon light irradiation.
Nour El Beyrouti   +10 more
wiley   +1 more source

Anti-Inflammatory Activity of Alkaloids: An Update from 2000 to 2010

open access: yesMolecules, 2011
Many natural substances with proven anti-inflammatory activity have been isolated throughout the years. The aim of this review is to review naturally sourced alkaloids with anti-inflammatory effects reported from 2000 to 2010.
Margareth de Fátima Formiga Melo Diniz   +5 more
doaj   +1 more source

Fused Nitrogen Bridgehead N,O‐Acetals as Versatile Scaffolds: Synthetic Strategies, Mechanism and Applications

open access: yesChemistry – A European Journal, EarlyView.
Fused nitrogen‐bridgehead N,O‐acetals receive specific emphasis as pivotal scaffolds due to their significant role in the bioactivity of medicinally relevant molecules. Significant approaches have been reported on their role as key synthetic building blocks/motifs in the construction of complex organic molecules and their utility as chiral auxiliaries ...
Alexis D. Kouvelas   +2 more
wiley   +1 more source

Molecular geometry of alkaloids present in seeds of mexican prickly poppy [PDF]

open access: yesarXiv, 2015
The work is a study of the geometry of the molecules via molecular mechanics of the main alkaloids found in the seeds of Argemone Mexicana Linn, a prickly poppy, which is considered one of the most important species of plants in traditional Mexican and Indian medicine system.
arxiv  

Advances in Mechanochemical Methods for One‐Pot Multistep Organic Synthesis

open access: yesChemistry – A European Journal, EarlyView.
This review highlights recent advances in mechanochemical methods for multistep organic synthesis, focusing on sequential one‐pot approaches performed by grinding or ball milling. The presented transformations are discussed in terms of efficiency, applicability, and sustainability, assessing both the challenges and potential of solvent‐free one‐pot ...
Nina Biedermann, Michael Schnürch
wiley   +1 more source

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