Experiments in green and sustainable chemistry

Catalysts: Clean Friedel-Crafts acylation of anisole under microwave irradiation. Knoevenagel condensation using aminopropylated silicas. Copper-catalyzed arylation of thiols in water. 2-(2'anilinyl)-4,4-dimethyl-2-oxazoline. A carbene transfer agent. Enantioselective organocatalytic synthesis of (R)- and (S)-3,3,3-trifluro-2-(Indol-3-yl)-2-hydroxyl-propionic acid ethyl esters. Synthesis of a pyrrole, an indole, and a carbazole derivative by solid acid-catalyzed electrophilic annelations. Synthesis of 1,3,5-triphenylpyrazole by a heterogeneous catalytic domino reaction. Chemoselective synthesis of acylals (1,1-diesters) from aldehydes : a discovery-oriented green organic chemistry laboratory experiment. The effect of a catalyst on the reaction of p-hydroxybenzaldehyde with acetic anhydride : a discovery-oriented green organic chemistry laboratory experiment. Renewable chemicals by sustainable oxidation using gold catalysts. Sustainable ruthenium-catalyzed direct arylations through C-H bond functionalizations

Solvents: Diaryl disulfides from thiols in water-ammonia. Electrochemical synthesis of polypyrrole employing green chemistry principles. Ammonia-sensing cyanoaurate coordination polymers, Aqueous biphasic systems for liquid-liquid separations. Clean, fast palladium-catalyzed reactions using microwave eating and water as a solvent : the Heck coupling as an example. Ionic liquids as benign solvents for sustainable chemistry. Olefin self-cross metathesis in an ionic liquid. Experiments with ionic liquids

High yield and one-pot syntheses: Efficient synthesis of ... [weakly coordinating anion salts]. Quantitative synthesis of a neutral hexacoordinate phosphorus compound. Encapsulated silicon in hexacoordination : synthesis and synthetic transformations. Domino reactions for the efficient synthesis of natural products. N-heterocyclic phosphenium salts. Methyltitanium triisopropoxide. Ferrocenyl-1,2,3-triazolyl dendrimers by >click< chemistry. Synthesis and recycling of six different nickel complexes

Limiting waste and exposure: Disposal of sodium and potassium residues. Juglone (5-hydroxy-1,4-naphthoquinone). Fluor retard. Dicopper(I) oxalate complexes as molecular precursors for copper deposition. Environmentally friendly recycling of sodium

Special topics: Air and nitrogen : a light bulb thrns on and off. Limewater and CO₂ : a light bulb thruns on and off. Template synthesis of a macrobicycle dinitrosarcophagine. Cyclic molecular aluminophosphate [Me₂Al([mu]-O)2P(OSiMe₃)₂]₂. Biogas. Preparation of colloidal cadmium sulfide (CdS) quantum dot nanoparticles. Dendrimer construction : [CpFe]⁺-induced formation of the polyallyl arene core and dendron, and iteration using hydrosilation and Williamson reactions. Three are better than one : gathering three different metals in the same molecule : a straightforward route to 3d-3d'-4f heterometal systems. Photochemistry for mild metal-free arylation reactions. An experiment to demonstrate the greenhouse effect. Organix systhesis through semiconductor photocatalysis. Daylight semiconductor photocatqalysis for air and water purification. An evergreen in CO₂-fixation : the Kolbe-Schmitt reaction.