申请人:Bayer CropScience Aktiengesellschaft
公开号:US20190375766A1
公开(公告)日:2019-12-12
The present invention relates to a process for preparing halogenated bicyclic systems of the formula (II) proceeding from compounds of the structure Q-H via intermediates of the formula (IIIa) or (IIIb)
in which
Q is a structural element
where the symbol # indicates the bond to the rest of the molecule and A, Q
1
, Q
2
, Q
3
, Q
4
, Q
5
and Q
6
have the definitions given in the description,
Hal is halogen, and
R
2
is halogen or —O-pivaloyl.
本发明涉及一种从结构为Q-H的化合物经由式(IIIa)或(IIIb)的中间体制备式(II)的卤代双环系统的过程,其中Q是一个结构元素,符号#表示与分子其余部分的键合,A、Q1、Q2、Q3、Q4、Q5和Q6的定义如说明书所述,Hal为卤素,R2为卤素或-O-pivaloyl。