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. 24, 2005
Filed:
Apr. 10, 2001
Applicants:
Maria Argese, Milan, IT;
Marino Brocchetta, Milan, IT;
Giuseppe Manfredi, Milan, IT;
Fabrizio Rebasti, Milan, IT;
Giorgio Ripa, Milan, IT;
Inventors:
Maria Argese, Milan, IT;
Marino Brocchetta, Milan, IT;
Giuseppe Manfredi, Milan, IT;
Fabrizio Rebasti, Milan, IT;
Giorgio Ripa, Milan, IT;
Assignee:
Bracco International BV, Amsterdam, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D241/36 ;
U.S. Cl.
CPC ...
Abstract
A process for the preparation of compound of formula (I A), decahydro-2a,4a,6a,8a-tetraazacyclopent[fg]accnaphthylene and the corresponding functionalized compounds of general formula (I), intermediates for the preparation of 1,4,7,10-tetraazacyclododecane (II A) and corresponding derivatives (II), by preparation of compounds of general formula (III) and subsequent reduction thereof.