Insecticidal compounds of the formula: ##STR1## in which A is chloro and B is hydrogen or A and B are both fluoro, X is oxygen or sulfur and one of R.sup.1 and R.sup.2 is or includes an optionally substituted 5-membered heteroaryl ring, their method for preparation and formulation, insecticidal compositions thereof, and their use to control insects, are disclosed and exemplified.
Preparation Method for Tyrosine Kinase Inhibitor and Intermediate Thereof
申请人:JIANGSU HENGRUI MEDICINE CO., LTD.
公开号:US20200239443A1
公开(公告)日:2020-07-30
Provided is a preparation method for a tyrosine kinase inhibitor and an intermediate thereof. Specifically, a preparation method for a cyanoquinoline compound is provided. The method has a high yield, good product purity, and mild reaction conditions.
[EN] PREPARATION METHOD FOR TYROSINE KINASE INHIBITOR AND INTERMEDIATE THEREOF<br/>[FR] PROCÉDÉ DE PRÉPARATION D'INHIBITEUR DE TYROSINE KINASE ET D'INTERMÉDIAIRE DE CELUI-CI<br/>[ZH] 一种酪氨酸激酶抑制剂及其中间体的制备方法
Method of preparing 3-cyano-quinolines and intermediates made thereby
申请人:Chew Warren
公开号:US20060270669A1
公开(公告)日:2006-11-30
The present invention relates to methods for preparing substituted 3-cyanoquinolines and intermediates obtained by the methods of the present invention. The methods of the invention comprise reacting an N-aryl-2-propanimide with phosphoryl chloride to produce the substituted 3-cyanoquinolines. The methods further comprise reacting arylamines, orthoformates and active methylenes to produce the N-aryl-2-propenamide.