Results 71 to 80 of about 4,788 (230)
Cross-Dehydrogenative Coupling of Tertiary Amines and Terminal Alkynes Catalyzed by Copper Nanoparticles on Zeolite [PDF]
, 2015 A wide range of catalysts based on supported copper nanoparticles have been prepared and tested in the cross-dehydrogenative coupling of tertiary amines and terminal alkynes.
Alonso, Francisco +3 more
core +3 more sources
Hydrogen Atom Transfer: An Intramolecular Main‐Group Metal‐Ligand Cooperative Biradical Pathway
Chinese Journal of Chemistry, EarlyView.The molecular system consisting of a main‐group metal and a redox‐active ligand, ((2,6‐iPr2C6H3)NC(Me))2AlCl(THF), has been shown to react with azides and diazomethanes, yielding products through both a biradical intermediate and a hydrogen atom transfer process.
Ting Chen +6 more
wiley +1 more source
Activity of 6-aryl-pyrrolo[2,3-d]pyrimidine-4-amines to Tetrahymena [PDF]
, 2012 A series 6-aryl-pyrrolo[2,3-d]pyrimidine-4-amines (43 compounds), some of which are epidermal growth 22 factor tyrosine kinase inhibitors, were tested for their protozoal toxicity using an environmental Tetrahy- 23 mena strain as model organism.
Charnock, Colin +3 more
core +4 more sources
Stereoselective Synthesis of Glycomimetic Amines From Biomass‐Derived Cyrene
European Journal of Organic Chemistry, EarlyView.2,3,4‐Trideoxy‐2‐mannosamines, including the unsubstituted one, are accessible as the only endo diastereoisomers by reductive amination of the green solvent Cyrene, derived from pyrolysis of cellulose containing waste biomass. The products are useful chiral synthetic intermediate to nitrogenated glycomimetics.
Debora Pratesi +4 more
wiley +1 more source
Aqueous Phase C-H Bond Oxidation Reaction of Arylalkanes Catalyzed by a Water-Soluble Cationic Ru(III) Complex [(pymox-Me\u3csub\u3e2\u3c/sub\u3e)\u3csub\u3e2\u3c/sub\u3eRuCl\u3csub\u3e2\u3c/sub\u3e]\u3csup\u3e+\u3c/sup\u3eBF\u3csub\u3e4\u3c/sub\u3e\u3csup\u3e-\u3c/sup\u3e [PDF]
, 2009 The cationic complex [(pymox-Me2)RuCl2]+BF4− was found to be a highly effective catalyst for the C−H bond oxidation reaction of arylalkanes in water. For example, the treatment of ethylbenzene (1.0 mmol) with t-BuOOH (3.0 mmol) and 1.0 mol % of the Ru ...
Kwon, Ki Hyeok, Lee, Do W., Yi, Chae S.
core +1 more source
Emerging Trends in Organic Photoreactions Utilizing Disulfides
European Journal of Organic Chemistry, EarlyView.Disulfides are versatile, nontoxic alternatives to metal photocatalysts. This review explores their role as photoactivated thiyl‐radical precursors and bifunctional catalysts (HAT/electron shuttling) in diverse transformations. Strategies for electronic tuning and development into recyclable heterogeneous materials are highlighted for sustainable ...
Sunil Kumar +3 more
wiley +1 more source
Scientific Reports, 2019 Pyrazine derivatives DIPY, TETPY and CNDIPY have been designed and synthesized which form fluorescent supramolecular assemblies in mixed aqueous media due to their AIEE and ICT characteristics.
Shruti Dadwal +3 more
doaj +1 more source
A general protocol to afford enantioenriched linear homoprenylic amines [PDF]
, 2013 The reaction of a readily obtained chiral branched homoprenylamonium salt with a range of aldehydes, including aliphatic substrates, affords the corresponding linear isomers in good yields and enantioselectivities.We thank the Spanish Ministerio de ...
Bosque, Irene +2 more
core +2 more sources
European Journal of Organic Chemistry, EarlyView.This electrochemical methodology allows the preparation of bridged tricyclic scaffolds through a rapid increase in the molecular complexity of simple and readily accessible starting materials. Alcohols proved to be the most efficient nucleophiles, as well as 6‐chloropurine. Plausibly, the process involves an anodic oxidative dearomatization to generate
Emanuele Cartamina +4 more
wiley +1 more source
Tetrahedron ChemEfficient synthetic routes to pharmaceutically important 4-styrylquinazolines scaffolds are of considerable interest. Herein, we report a concise synthesis of 4-styrylquinazoline derivatives via a hypervalent iodine-promoted oxidative amination cascade ...
Lipeng Long +7 more
doaj +1 more source