ortho-para directing group

См. также в других словарях:

• Anisole — IUPAC name …   Wikipedia

• Electrophilic aromatic substitution — or EAS is an organic reaction in which an atom, usually hydrogen, appended to an aromatic system is replaced by an electrophile. The most important reactions of this type that take place are aromatic nitration, aromatic halogenation, aromatic… …   Wikipedia

• Deactivating groups — In organic chemistry, a deactivating group (or electron withdrawing group) is a functional group attached to a benzene molecule that removes electron density from the benzene ring, making electrophilic aromatic substitution reactions slower and… …   Wikipedia

• Paracetamol — Acetaminophen Systematic (IUPAC) name …   Wikipedia

• phenol — phenolic /fi noh lik, nol ik/, adj. /fee nawl, nol/, n. Chem. 1. Also called carbolic acid, hydroxybenzene, oxybenzene, phenylic acid. a white, crystalline, water soluble, poisonous mass, C6H5OH, obtained from coal tar, or a hydroxyl derivative… …   Universalium

• carboxylic acid — Chem. any organic acid containing one or more carboxyl groups. [1900 05; CARBOXYL + IC] * * * Any organic compound with the general chemical formula ―COOH in which a carbon (C) atom is bonded to an oxygen (O) atom by a double bond to make a… …   Universalium

• Povarov reaction — [ frame|Scheme 3 Four component Povarov reaction. In order to clarify the role of the lewis acid, a solid scandium nitrogen bond is drawn. Reaction conditions 2 days in acetonitrile at room temperature] The Povarov reaction is a chemical reaction …   Wikipedia

• Fries rearrangement — The Fries rearrangement, named for the German chemist Karl Theophil Fries, is a rearrangement reaction of a phenyl ester to a hydroxy aryl ketone by catalysis of lewis acids. [cite journal title = Über Homologe des Cumaranons und ihre Abkömmlinge …   Wikipedia