The invention concerns a method for orthometalation of a carbocyclic aromatic derivative bearing at least an electron donor group, characterised in that it consists in reacting said carbocyclic aromatic derivative with an efficient amount of at least one alkaline metal in the presence of a compound of formula (I): RX, wherein: R represents a hydrocarbon radical having 1 to 20 carbon atoms which can be a saturated or unsaturated, linear or branched, acyclic aliphatic radical; a saturated or unsaturated, monocyclic or polycyclic cycloaliphatic radical; a saturated or unsaturated, linear or branched aliphatic radical bearing a cyclic substituent; and X represents a bromine or chlorine atom.
该发明涉及一种用于对至少带有一个电子供体基团的碳环芳衍
生物进行正
金属化的方法,其特征在于将所述碳环芳衍
生物与至少一种碱
金属的有效量在式(I)的化合物的存在下反应,其中:R代表具有1至20个碳原子的烃基,可以是饱和或不饱和的,线性或支链的,无环的脂肪基;饱和或不饱和的,单环或多环的环脂肪基;具有一个环替代基的饱和或不饱和的,线性或支链的脂肪基;X代表
溴或
氯原子。