FIELD: chemistry.
SUBSTANCE: invention relates to a method of producing 3,3′,4,4′-tetramethyldiphenyl, involving reaction, while boiling, of pre-obtained from 4-bromo-1,2-xylene Grignard reagent in a tetrahydrofuran medium with a suspension of a metal halide in medium of an aromatic solvent, followed by extraction of product, including washing with a solution of hydrochloric acid, drying reaction mass and distilling solvents. Method is characterised by that metal halide used is copper chloride (II), aromatic solvent is xylene, toluene or benzene in molar ratio of 4-bromo-1,2-xylene:tetrahydrofuran:copper(II) chloride:aromatic solvent equal to 1:3.7:1.2:2.5-5.
EFFECT: use of disclosed method simplifies synthesis and extraction of 3,3′,4,4′-tetramethyldiphenyl.
1 cl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR SYNTHESIS OF DELMOPINOL AND DERIVATIVES THEREOF | 2006 |
|
RU2404169C2 |
| IMPROVED METHOD OF PREPARING THE 5-(2,6-DI-4-MORPHOLINYL-4-PYRIMIDINYL)-4-TRIFLUOROMETHYL PYRIDINE-2-AMINE | 2013 |
|
RU2646760C2 |
| PREPARATION OF SUBSTITUTED INDENES | 2003 |
|
RU2323921C2 |
| PROCESS FOR PRODUCING 2-ACRYLPROPIONIC ACID | 0 |
|
SU963462A3 |
| METHOD OF SYNTHESIS OF ALCOHOLS USING (3-ALKOXYPHENYL)- MAGNESIUM CHLORIDE | 1997 |
|
RU2177931C2 |
| INSECTICIDE, ACARICIDE AND NAMATOCIDE, CONTAINING 3-TRIAZOLYLPHENYL SULPHIDE DERIVATIVE AS ACTIVE COMPONENT | 2005 |
|
RU2394819C2 |
| METHOD OF PRODUCING PHENYL-CONTAINING CHLOROSILANES WITH ALIPHATIC OR CYCLOPARAFFIN HYDROCARBON SOLVENTS | 2006 |
|
RU2373216C2 |
| COMPLEX OF ALKYL(ARYL)-CALCIUM- OR ALKYL(ARYL)-MAGNESIUM HALOGENIDE WITH CROWN ESTER AS REACTANTS FOR ORGANIC SYNTHESIS OF ALCOHOLS | 0 |
|
SU1055742A1 |
| PROCESS FOR PRODUCTION OF N-(2-PYRIDYL)-2-METHYL-4-HYDROXY-2H-1,2-BENZOTHIAZINE- 3-CARBOXAMIDE-1,1-DIOXIDE | 1990 |
|
SU1764296A1 |
| PROCESS FOR PRODUCING 2-(2',2',2'-TRIHALOETHYL)-4-HALOCYCLOBUTAN-1-ONES | 0 |
|
SU917695A3 |
