- cyclizations
- cyclization (Amer.) n. (Chemistry) formation of one or more hydrocarbon ring to a closed ring, forming of a ring in a chemical compound (also cyclisation)
English contemporary dictionary. 2014.
cyclizations
Look at other dictionaries:
Nazarov cyclization reaction — The Nazarov cyclization reaction (often referred to as simply the Nazarov cyclization) is a chemical reaction used in organic chemistry for the synthesis of cyclopentenones. The reaction is typically divided into classical and modern variants,… … Wikipedia
Free radical addition — is an addition reaction in organic chemistry involving free radicals [L.G. Wade s Organic Chemistry 5th Ed. (p 319) Mechanism supplements original.] . The addition may occur between a radical and a non radical, or between two radicals.The basic… … Wikipedia
Manganese-mediated coupling reactions — are radical coupling reactions between enolizable carbonyl compounds and unsaturated compounds initiated by a manganese(III) salt, typically manganese(III) acetate. Copper(II) acetate is sometimes used as a co oxidant to assist in the oxidation… … Wikipedia
Oxidation with chromium(VI)-amine complexes — involves the conversion of alcohols to carbonyl compounds or more highly oxidized products through the action of chromium(VI) oxide amine adducts and salts. Representative members of this family of reagents include Collins reagent, pyridinium… … Wikipedia
Progesterone — Systematic (IUPAC) name Pregn 4 ene 3,20 dione … Wikipedia
Elias James Corey — E.J. Corey Born 12 July 1928 (1928 07 12) (age 83) Methuen, Massachusetts, USA … Wikipedia
Beckmann rearrangement — The Beckmann rearrangement, named after the German chemist Ernst Otto Beckmann (1853–1923), is an acid catalyzed rearrangement of an oxime to an amide. [cite journal author= E. Beckmann title = Zur Kenntniss der Isonitrosoverbindungen journal =… … Wikipedia
Electrophile — In chemistry, an electrophile (literally electron lover ) is a reagent attracted to electrons that participates in a chemical reaction by accepting an electron pair in order to bond to a nucleophile. Because electrophiles accept electrons, they… … Wikipedia
Ergotamine — Systematic (IUPAC) name (6aR,9R) N ((2R,5S,10aS,10bS) 5 benzyl 10b hydroxy 2 methyl 3,6 dioxooctahydro 2H oxazolo[3,2 a] pyrrolo[2,1 c]pyrazin 2 yl) 7 methyl 4,6,6a,7,8,9 hexahydroindolo[4,3 fg] quinoline 9 car … Wikipedia
Cycloaddition — A cycloaddition is a pericyclic chemical reaction, in which two or more unsaturated molecules (or parts of the same molecule) combine with the formation of a cyclic adduct in which there is a net reduction of the bond multiplicity. [1] The… … Wikipedia
