The process according to the invention relates to the preparation of 2-chloromethyl-thiophene of the formula (I). During this process thiophene is chloromethylated in the presence of one or more compounds containing keto group and optionally it is transformed into the compound of the formula (II). Compounds of formula (I) and (II) are intermediates of several pharmaceutically active ingredients.
本发明的工艺涉及式(I)
2-氯甲基噻吩的制备。在此过程中,
噻吩在一种或多种含有酮基的化合物的存在下被
氯甲基化,并有选择地转化为式(II)化合物。式 (I) 和 (II) 化合物是多种药物活性成分的中间体。