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:
Jan. 07, 1997
Filed:
Jun. 06, 1995
Hans-Joachim Zeiss, Sulzbach/Taunus, DE;
Hoechst Aktiengesellschaft, Frankfurt, DE;
Abstract
Optically active .omega.-halo-2-aminoalkanecarboxylic acid derivatives, process for the preparation thereof and their use for the preparation of optically active phosphorus-containing .alpha.-amino acids Optically active, cyclic (2S)- and (2R)-.omega.-halo-2-aminoalkanecarboxylic acid derivatives of the formula I and mixtures thereof, ##STR1## in which R.sub.1 is (C.sub.1 -C.sub.6)alkyl which is unsubstituted or substituted by hydroxyl, alkoxy, alkylcarbonyl and/or alkoxycarbonyl; or is alkenyl, alkynyl, R.sub.2 --CO-- or R.sub.3 --SO.sub.2 --,
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile