公开(公告)号：US20160137615A1

公开(公告)日：2016-05-19

申请号：US14899755

申请日：2014-06-17

Applicant: BASF SE

Inventor： Timo FRASSETTO ,  Maximilian DOCHNAHL ,  Michael RACK ,  Volker MAYWALD ,  Bernd WOLF ,  Roland GOETZ ,  Philip MUELHEIMS ,  Rudolf HAEBERLE

IPC: C07D265/36

CPC classification number: C07D265/36 ,  C07C17/16 ,  C07D413/04 ,  C07C21/22

Abstract: The present invention relates to a process for manufacturing 4-propargylated amino-benzoxazinones of formula (I), comprising the following steps: step a) preparing propargyl chloride by reacting propargyl alcohol with thionyl chloride optionally in the presence of a catalyst; and step b) reacting the propargyl chloride prepared in step (a) with a NH-benzoxazinone of formula (II); wherein the variables are defined according to the description.

Abstract translation: 本发明涉及制备式（I）的4-炔丙基化苯并恶嗪酮的方法，包括以下步骤：步骤a）任选地在催化剂存在下，通过炔丙醇与亚硫酰氯反应制备炔丙基氯; 和步骤b）使步骤（a）中制备的炔丙基氯与式（II）的NH-苯并嗪酮反应; 其中根据描述定义变量。