METHOD FOR PREPARING 1-(4-CHLOROPHENYL)-2-CYCLOPROPYL-1-PROPANONE AND INTERMEDIATE THEREOF
申请人:JIANGSU CHENGYANG GROP SCIENCE CO., LTD.
公开号:US20150299078A1
公开(公告)日:2015-10-22
A method is for preparing 1-(4-chlorophenyl)-2-cyclopropyl-1-propanone and an intermediate thereof, where in the method for preparing a compound of formula (I), α-alkoxy p-chlorobenzyl phosphonate (II) and cyclopropyl methyl ketone are used as raw materials, and subjected to a Homer-Wadsworth-Emmons reaction in an organic solvent in the presence of a base, so as to prepare a derivative of alkoxy propylene with the structure of formula (III); and the resulting derivative of alkoxy propylene (III) is hydrolyzed under acidic conditions to obtain 1-(4-chlorophenyl)-2-cyclopropyl-1-propanone (I).
POLYCARBONATE RESIN COMPOSITION AND MOLDED ARTICLE OF SAME
申请人:Mitsubishi Chemical Corporation
公开号:EP3357971A1
公开(公告)日:2018-08-08
The present invention aims to provide a polycarbonate resin composition having impact resistance at high levels in good balance, a production method thereof, and a molded body of the polycarbonate resin composition. The present invention relates to a polycarbonate resin composition containing a polycarbonate resin (A) having a constitution unit derived from a compound represented by formula (1) and polyrotaxane (B), a production method thereof, and a molded body of the resin composition.
Polycarbonate resin composition and molded body thereof
申请人:Mitsubishi Chemical Corporation
公开号:US10703902B2
公开(公告)日:2020-07-07
The present invention aims to provide a polycarbonate resin composition having impact resistance at high levels in good balance, a production method thereof, and a molded body of the polycarbonate resin composition. The present invention relates to a polycarbonate resin composition containing a polycarbonate resin (A) having a constitution unit derived from a compound represented by formula (1) and polyrotaxane (B), a production method thereof, and a molded body of the resin composition: