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:
Feb. 23, 1993
Filed:
Dec. 17, 1990
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A process for producing furylpropargylcarbinol or a derivative thereof represented by the formula (I): ##STR1## wherein R.sup.1 represents hydrogen or methyl, wherein comprises subjecting a haloallylfurylcarbinol or a derivative thereof represented by the formula (II): ##STR2## wherein R.sup.1 represents hydrogen or methyl and R.sup.2 represents chlorine, bromine or iodine, to a dehydrohalogenation reaction with a base in a reaction solvent. Furylpropargylcarbinol and a derivative thereof produced according to the process of the present invention are very important as intermediates of agricultural chemicals, perfumes and medicines, and particularly applicable to intermediates of prallethrin.