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:
Sep. 04, 1990
Filed:
Jul. 25, 1989
Applicant:
Inventors:
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548240 ; 549497 ;
Abstract
Isoxazolines of the general formula II ##STR1## in which R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each unsubstituted or halogen-, haloalkyl-, alkoxy-, haloalkoxy-, nitro-, cyano-, dialkylphosphonyl- or alkoxycarbonyl-substituted alkyl, aryl, aralkyl, alkoxycarbonyl or dialkoxyphosphonyl, R.sup.2 and R.sup.4 are each also hydrogen and R.sup.3 is also hydroxyalkyl which is unblocked or blocked by a detachable protective group or is haloalkyl, X is hydrogen or a detachable protective group, are used to prepare furans.
Theobald, Hans. (1990). Isoxazolines as intermediates to furans (U.S. Patent No. 4954633). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4954633
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile