The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 10, 1993
Filed:
Jul. 21, 1992
Applicant:
Inventors:
Masayoshi Minai, Moriyama, JP;
Michitada Kondo, Kobe, JP;
Yuji Ueda, Izumi, JP;
Seiichi Kai, Ikoma, JP;
Takayuki Higashii, Kishiwada, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
548540 ; 549 57 ; 549 59 ; 549 60 ; 549 70 ; 549 72 ; 549 73 ; 549436 ; 549468 ; 549483 ; 549488 ; 558230 ; 558405 ; 560124 ; 560138 ; 560141 ; 560254 ; 568319 ;
Abstract
Acylaromatic compounds ##STR1## (Q: aromatic compound residue; R: straight, branched or cyclic aliphatic group, aromatic group or araliphatic group) are prepared in high yield by a reaction, in the presence of a boron trifluoride complex catalyst, of an aromatic compound with ##STR2## (X: H, Cl, Br; Y: Cl, Br) or with RCOOH in the presence of (XYCHCO).sub.2 O.