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. 05, 2002
Filed:
Jan. 26, 2001
Applicant:
Inventors:
Andreas Bathe, Darmstadt, DE;
Bernd Helfert, Ober-Ramstadt, DE;
Karl-August Ackermann, Ober-Ramstadt, DE;
Rudolf Gottschlich, Reinheim, DE;
Ingeborg Stein, Rodgau, DE;
Jens Budak, Darmstadt, DE;
Assignee:
Merck Patent GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; A01N 1/00 ;
U.S. Cl.
CPC ...
C07D / ; A01N 1/00 ;
Abstract
The invention relates to a novel process for the alternative preparation of N-methyl-N-[(1S)-1-phenyl-2-((3S)-3-hydroxypyrrolidin-1-yl)ethyl]-2,2-diphenylacetamide or N-methyl-N-[(1R)-1-phenyl-2-((3R)-3-hydroxypyrrolidin-1-yl)ethyl]-2,2-diphenylacetamide, and the novel compounds N-methyl-N-[(1S)-1-phenyl-2-((3S)-3-hydroxypyrrolidin-1-yl)ethane] and N-methyl-N[(1R)-1-phenyl-2-((3R)-3-hydroxypyrrolidin-1-yl) ethane], which are prepared as intermediates.