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:
Jun. 10, 2008
Filed:
Jul. 30, 2004
Graziano Castaldi, Briona, IT;
Pietro Allegrini, San Donato Milanese, IT;
Gabriele Razzetti, Sesto S. Giovanni, IT;
Alberto Bologna, Crema, IT;
Marcello Rasparini, Pieve Ligure, IT;
Vittorio Lucchini, San Donato Milanese, IT;
Graziano Castaldi, Briona, IT;
Pietro Allegrini, San Donato Milanese, IT;
Gabriele Razzetti, Sesto S. Giovanni, IT;
Alberto Bologna, Crema, IT;
Marcello Rasparini, Pieve Ligure, IT;
Vittorio Lucchini, San Donato Milanese, IT;
Dipharma S.p.A., Mereto Di Tomba, IT;
Abstract
A process for the preparation of phenyltetrazole derivatives of formula (II) wherein R and Y are as defined in the disclosure, by direct ortho-metallation of (tetrazol-5-γl)benzene. The compounds of formula (II) are useful intermediates for the preparation of angiotensin II antagonists.