The present invention relates to novel compounds of formula(1).
1
wherein: R
1
is hydrogen atom or lower alkyl group, X is bromine atom or chlorine atom; and which are usefull for the preparation of the cycloheptanoides such as cycloheptimidazole derivatives. The compound having formula (1) is obtained in a single pot by the reaction of a trialkylsilylether compound with a dihalocarbene which, in turn, is prepared from the reaction of chloroform or bromoform in the presence of base.
本发明涉及公式(1)的新化合物。其中:R1是氢原子或较低的烷基;X是
溴原子或
氯原子;它们可用于制备
环庚烷类化合物,如环庚
咪唑衍
生物。公式(1)的化合物通过三烷基
硅醚化合物与二卤代卡宾的反应在单一反应罐中获得,而二卤代卡宾则是由
氯仿或
溴仿在碱的存在下反应制备而成。