公开(公告)号：US20140378690A1

公开(公告)日：2014-12-25

申请号：US14375816

申请日：2013-01-30

Applicant: Bayer Intellectual Property GMBH

Inventor： Sergii Pazenok ,  Albert Schnatterer

IPC: C07D317/12

CPC classification number: C07D317/12

Abstract: The present invention relates to a novel method for preparing methylene-1,3-dioxolanes of the general formula (1) in which R1 and R2 have the meanings stated in the description. Methylene-1,3-dioxolanes are important intermediates for preparing pyrazoles and anthranilic acid amides, which may be used as insecticides.

Abstract translation: 本发明涉及一种制备通式（1）的亚甲基-1,3-二氧戊烷的新方法，其中R1和R2具有说明书中所述的含义。 亚甲基-1,3-二氧戊环是制备可用作杀虫剂的吡唑和邻氨基苯甲酸酰胺的重要中间体。

公开(公告)号：US09029577B2

公开(公告)日：2015-05-12

申请号：US14375816

申请日：2013-01-30

Applicant: Bayer Intellectual Property GmbH

Inventor： Sergii Pazenok ,  Albert Schnatterer

IPC: C07D317/12

CPC classification number: C07D317/12

Abstract: The present invention relates to a novel method for preparing methylene-1,3-dioxolanes of the general formula (I) in which R1 and R2 have the meanings stated in the description. Methylene-1,3-dioxolanes are important intermediates for preparing pyrazoles and anthranilic acid amides, which may be used as insecticides.

Abstract translation: 本发明涉及一种制备通式（I）的亚甲基-1,3-二氧戊环的新方法，其中R1和R2具有说明书中所述的含义。 亚甲基-1,3-二氧戊环是制备可用作杀虫剂的吡唑和邻氨基苯甲酸酰胺的重要中间体。