Results 171 to 180 of about 9,186 (209)

Umpolung Activation of Bicyclobutanes via N-Heterocyclic Carbene Catalysis. [PDF]

Angew Chem Int Ed Engl
Chang YC, Guo R, Fessard T, Lefebvre Q, Salome C, Brown MK.   +5 more
europepmc   +1 more source

Carbon and Heteroatom Activation via N-Heterocyclic Carbene-Bound Dearomative Intermediates for Stereoselective Annulation Reactions. [PDF]

Chemistry
De Risi C, Carmine GD, Ragno D, Poletti L, Massi A.   +4 more
europepmc   +1 more source

Catalyst-Free Synthesis of Some New Isatin-Thiazole Conjugates in Water as a Green Solvent Under Ultrasonic Condition and Evaluation of Their Antioxidant Activity

Ma Pasha, Amreen Khanum
openalex   +1 more source

Synthesis, Biological Evaluation, and Molecular Docking Studies of Novel Coumarin-Triazole-Isatin Hybrids as Selective Butyrylcholinesterase Inhibitors. [PDF]

Molecules
Dimkovski A, Dobričić V, Simić MR, Jurhar Pavlova M, Mihajloska E, Sterjev Z, Poceva Panovska A.   +6 more
europepmc   +1 more source

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Alkylation of isatins with trichloroacetimidates

Organic & Biomolecular Chemistry, 2022
N-Alkylation or O-alkylation of isatins can be achieved utilizing trichloroacetimidate electrophiles with the major product being controlled by solvent effects. These reactions provide access to N-alkyl isatins, versatile scaffolds which are often employed in synthesis.
Nilamber A. Mate, Rowan I. L. Meador, Bhaskar D. Joshi, John D. Chisholm   +3 more
openaire   +2 more sources

A Review an Isatin, Isatin Derivatives and their Pharmacological Activity

Research Journal of Pharmacology and Pharmacodynamics, 2021
Isatin or 1H-indole-2, 3-dione is an indole derivative. Isatin is an important class of heterocyclic compounds. Recently, heterocyclic compounds analogues and their derivatives have attracted strong interest in medicinal chemistry due to their biological and pharmacological properties. The structure have offered a high value of diversity that is proven
S. Janet Beula, T. Rama Mohan Reddy, R. Suthakaran, Suneetha K.   +3 more
openaire   +1 more source

Synthesis of Isatin Derivatives.

ChemInform, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
E. G. Mesropyan, G. B. Ambartsumyan, A. A. Avetisyan, M. G. Sarkisyan   +3 more
openaire   +1 more source

Isatin‐1,2,3‐triazole‐isatin Scaffolds and Their Antibacterial Activity

Journal of Heterocyclic Chemistry, 2019
Twelve novel isatin‐1,2,3‐triazole‐isatin scaffolds 5a–l were designed, synthesized, and assessed for their in vitro antibacterial activity in this paper. The preliminary results showed that all dimers only endowed with weak antibacterial activity, which was less active than the reference ciprofloxacin.
Ruijing Cheng, Xinjia Yan, Zhi Xu
openaire   +1 more source

Reductive 1,2-Arylation of Isatins

Organic Letters, 2022
We report an intermolecular Ni-catalyzed reductive coupling of aryl iodides and isatins to form 3-hydroxyoxindoles. In contrast to common metal-mediated methods, sec-butanol is used as a mild stoichiometric reductant resulting in benign waste products.
Amrah Nasim, Gilian T. Thomas, Jeffrey S. Ovens, Stephen G. Newman   +3 more
openaire   +2 more sources

Ag‐Catalyzed Trifluoromethylative Ring Expansion of Isatins and Isatin Ketimines with Trifluorodiazoethane

Chemistry – An Asian Journal, 2020
AbstractA general method for the construction of trifluoromethylated 2‐quinolinones has been established herein by using a trifluoromethylative ring expansion of isatin with trifluorodiazoethane. The strategy provides a platform for the rapid synthesis of a wide range of substituted 3‐hydroxy‐4‐trifluoromethyl‐2‐quinolinones.
Muhammad Fahad Jamali, Ekta Gupta, Anuj Kumar, Ruchir Kant, Kishor Mohanan   +4 more
openaire   +2 more sources