organic catalyst
81Ester — For other uses, see Ester (disambiguation). A carboxylic acid ester. R and R denote any alkyl or aryl group, respectively Esters are chemical compounds derived by reacting an oxoacid with a hydroxyl compound such as an alcohol or phenol …
82Benzene — For other uses, see Benzene (disambiguation). See also: Benzole Benzene …
83Hydrodesulfurization — (HDS) is a catalytic chemical process widely used to remove sulfur (S) from natural gas and from refined petroleum products such as gasoline or petrol, jet fuel, kerosene, diesel fuel, and fuel oils.[1][2] The purpose of removing the sulfur is to …
84Friedel-Crafts reaction — The Friedel Crafts reactions are a set of reactions developed by Charles Friedel and James Crafts in 1877. [Friedel, C.; Crafts, J. M. Compt. Rend. 1877, 84 , [http://gallica.bnf.fr/ark:/12148/bpt6k30410/f1386.table 1392]… …
85Boronic acid — The general structure of a boronic acid, where R is a substituent. A boronic acid is an alkyl or aryl substituted boric acid containing a carbon–boron bond belonging to the larger class of organoboranes. Boronic acids act as Lewis acids. Their… …
86Vinyl chloride — IUPAC name …
87Triphenylphosphine — Chembox new Name = Triphenylphosphine ImageFile = Triphenylphosphine structure.svg ImageName = Triphenylphosphine ImageFile1 = Triphenylphosphine ray 3D balls.png ImageName1 = Ball and stick model of the triphenylphosphine molecule IUPACName =… …
88Ring opening metathesis polymerisation — Ring opening metathesis polymerization (ROMP) is a type of olefin metathesis polymerization that produces industrially important products. The driving force of the reaction is relief of ring strain in cyclic olefins (e.g. norbornene or… …
89heterocyclic compound — Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. As in regular cyclic hydrocarbons,… …
90surface coating — ▪ chemistry Introduction any mixture of film forming materials plus pigments, solvents, and other additives, which, when applied to a surface and cured or dried, yields a thin film that is functional and often decorative. Surface coatings… …
