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:
Nov. 15, 1988
Filed:
Oct. 01, 1987
Manfred Kaufhold, Marl, DE;
Huels Aktiengesellshaft, Marl, DE;
Abstract
A process is provided for the production of N-substituted morpholines and piperidines of the formula ##STR1## comprising the steps of (a) reacting a methallylbenzene of the formulas ##STR2## wherein R.sub.1 is H or a straight or branched chained C.sub.1 -C.sub.4 alkyl group, alone or in admixture with a corresponding isobutenylbenzene of the formula ##STR3## wherein R.sub.1 is as defined above, with hydrogen bromide in the presence of a peroxide to yield, respectively, the corresponding bromine compound of the formula ##STR4## wherein R.sub.1 is as defined above, alone or in admixture with a bromine compound of the formula ##STR5## wherein R.sub.1 is as defined above and wherein the bromine atom is in the secondary or tertiary position, and