申请人:Bayer CropScience AG
公开号:US08222435B2
公开(公告)日:2012-07-17
The present invention relates to novel acylmethylene-1,3-dioxolanes and acylmethylene-1,4-dioxanes of the general formula (I)
in which R1, R2, R3 and n have the meanings given in the description, and also a novel process for their preparation. Acylmethylene-1,3-dioxolanes and acylmethylene-1,4-dioxanes are important intermediates for the preparation of pyrazoles and anthranilamides, which can be used as insecticides.
本发明涉及新型通式(I)的酰基亚甲基-1,3-二氧杂环己烷和酰基亚甲基-1,4-二氧杂环庚烷,其中R1、R2、R3和n的含义如描述所示,以及它们的新型制备方法。酰基亚甲基-1,3-二氧杂环己烷和酰基亚甲基-1,4-二氧杂环庚烷是制备吡唑和蒽酰胺的重要中间体,可用作杀虫剂。