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.

Date of Patent:
Aug. 02, 2011

Filed:

Feb. 12, 2009
Applicants:

Matteo Andreini, Siena, IT;

Emanuele Gabellieri, Siena, IT;

Wolfgang Guba, Muellheim, DE;

Guido Marconi, Siena, IT;

Robert Narquizian, Saint Louis, FR;

Eoin Power, Siena, IT;

Massimiliano Travagli, Siena, IT;

Thomas Woltering, Freiburg, DE;

Wolfgang Wostl, Grenzach-Wyhlen, DE;

Inventors:

Matteo Andreini, Siena, IT;

Emanuele Gabellieri, Siena, IT;

Wolfgang Guba, Muellheim, DE;

Guido Marconi, Siena, IT;

Robert Narquizian, Saint Louis, FR;

Eoin Power, Siena, IT;

Massimiliano Travagli, Siena, IT;

Thomas Woltering, Freiburg, DE;

Wolfgang Wostl, Grenzach-Wyhlen, DE;

Assignees:

Hoffman-La Roche Inc., Nutley, NJ (US);

Siena Biotech S.p.A., Siena, IT;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/421 (2006.01); A61K 31/506 (2006.01); A61K 31/4439 (2006.01); A61K 31/538 (2006.01); C07D 263/28 (2006.01); C07D 413/10 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a compounds of formula I wherein R, R, R, R, R, X, Ar, and m are as defined in the specification and claims and pharmaceutically active acid addition salts thereof. Compounds of the invention have Asp2 (β-secretase, BACE 1 or Memapsin-2) inhibitory activity and are useful for the treatment of diseases characterized by elevated β-amyloid levels or β-amyloid deposits, particularly Alzheimer's disease.


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