| 摘要 |
<p>Catalytic bromination of aromatic cpds. is carried out using an equimolar quantity of Cl2 to that of the Br2 employed, in the absence of a solvent and with intimate mixing of reactants, catalyst and by-prods. formed during the reaction. Partic. for the prepn. of bromo derivs. of benzene, toluene, phenol and diphenyl which are used as flame retardants for resins.</p> |
