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:
Oct. 26, 1999
Filed:
Feb. 13, 1998
Applicant:
Inventors:
Toshimichi Mitani, Kurashiki, JP;
Tatsuhiko Hayashibara, Kitakanbara-gun, JP;
Manzo Shiono, Kurashiki, JP;
Assignee:
Kuraray Co., Ltd., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
570261 ; 570241 ;
Abstract
A method for producing bromomethylcyclopropane is provided, comprising reacting an organic sulfonyl halide with cyclopropylmethanol in the presence of a tertiary amine in a non-protic solvent, to generate cyclopropylmethyl organic sulfonate, and reacting the resulting cyclopropylmethyl organic sulfonate with an alkali metal bromide and/or a quaternary ammonium bromide in a non-protic polar solvent.