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:
May. 21, 1996
Filed:
Jun. 13, 1994
Applicant:
Inventors:
Joachim-Heiner Jendralla, Frankfurt, DE;
Detlef Jacobi, Frankfurt, DE;
Bernhard Kammermeier, Frankfurt, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07K / ;
U.S. Cl.
CPC ...
530322 ; 530338 ; 530339 ;
Abstract
Process for the diastereoselective reductive pinacol coupling of homochiral .alpha.-aminoaldehydes A process for the preparation of optically pure symmetrical compounds of the formula I ##STR1## is described, in which R.sup.1, R.sup.2 and R.sup.3, are explained in the description, with simultaneous control of the four centers of chirality indicated by *.