phosphonium halide

См. также в других словарях:

• Phosphonium salt — A phosphonium salt is a salt containing the phosphonium (PH4+) ion such as phosphonium iodide (PH4+I−). More commonly, phosphonium refer to an organic derivative such as tetraphenylphosphonium chloride, (C6H5)4P+ Cl and tetramethylphosphonium… …   Wikipedia

• Ethylene oxide — Oxirane redirects here. For oxiranes as a class of molecules, see epoxide. Ethylene oxide …   Wikipedia

• Wittig reaction — The Wittig reaction is a chemical reaction of an aldehyde or ketone with a triphenyl phosphonium ylide (often called a Wittig reagent) to give an alkene and triphenylphosphine oxide. [cite journal author = Georg Wittig, Ulrich Schöllkopf journal …   Wikipedia

• Michaelis-Arbuzov reaction — The Michaelis Arbuzov reaction is the chemical reaction of a trialkyl phosphite and an alkyl halide to form a phosphonate.The reaction was discovered by August Michaelis in 1898 [cite journal | author = Michaelis, A.; Kaehne, R. | journal =… …   Wikipedia

• Michaelis–Arbuzov reaction — The Michaelis–Arbuzov reaction (also called the Arbuzov reaction) is the chemical reaction of a trialkyl phosphite and an alkyl halide to form a phosphonate. The reaction was discovered by August Michaelis in 1898[1], and greatly explored by… …   Wikipedia

• Ylide — An ylid or ylide (US) is a neutral molecule with a positive and a negative charge on adjacent atoms. They appear in organic chemistry as reagents or reactive intermediates. An ylide is accompanied to some extent by (and often depicted as) its… …   Wikipedia

• Organophosphorus — compounds are degradable organic compounds containing carbon–phosphorus bonds (thus excluding from phosphate and phosphite esters, which lack such kind of bonding), used primarily in pest control as an alternative to chlorinated hydrocarbons that …   Wikipedia

• Triphenylphosphine — 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 =… …   Wikipedia

• Phase transfer catalyst — A phase transfer catalyst or PTC in chemistry is a catalyst which facilitates the migration of a reactant in a heterogeneous system from one phase into another phase where reaction can take place. Ionic reactants are often soluble in an aqueous… …   Wikipedia

• Horner-Wadsworth-Emmons reaction — The Horner Wadsworth Emmons reaction (or HWE reaction) is the chemical reaction of stabilized phosphonate carbanions with aldehydes (or ketones) to produce predominantly E alkenes.In 1958, Leopold Horner published a modified Wittig reaction using …   Wikipedia

• Appel reaction — The Appel reaction is an organic reaction that converts an alcohol into an alkyl chloride using triphenylphosphine and carbon tetrachloride. [cite journal title = Tertiary Phosphane/Tetrachloromethane, a Versatile Reagent for Chlorination,… …   Wikipedia