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1. (WO2005014560) A PROCESS FOR THE PREPARATION OF PHENYLTETRAZOLE DERIVATIVES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2005/014560    International Application No.:    PCT/EP2004/008576
Publication Date: 17.02.2005 International Filing Date: 30.07.2004
IPC:
C07F 3/02 (2006.01)
Applicants: DIPHARMA S.P.A. [IT/IT]; Via XXIV Maggio, 40, I-33036 Mereto di Tomba (IT) (For All Designated States Except US).
CASTALDI, Graziano [IT/IT]; (IT) (For US Only).
ALLEGRINI, Pietro [IT/IT]; (IT) (For US Only).
RAZZETTI, Gabriele [IT/IT]; (IT) (For US Only).
BOLOGNA, Alberto [IT/IT]; (IT) (For US Only).
RASPARINI, Marcello [IT/IT]; (IT) (For US Only).
LUCCHINI, Vittorio [IT/IT]; (IT) (For US Only)
Inventors: CASTALDI, Graziano; (IT).
ALLEGRINI, Pietro; (IT).
RAZZETTI, Gabriele; (IT).
BOLOGNA, Alberto; (IT).
RASPARINI, Marcello; (IT).
LUCCHINI, Vittorio; (IT)
Agent: MINOJA, Fabrizio; Bianchetti Bracco Minoja S.r.l., Via Plinio, 63, I-20129 Milano (IT)
Priority Data:
MI2003A001638 08.08.2003 IT
MI2004A000929 07.05.2004 IT
Title (EN) A PROCESS FOR THE PREPARATION OF PHENYLTETRAZOLE DERIVATIVES
(FR) PROCEDE DE PREPARATION DE DERIVES DE PHENYLTETRAZOLE
Abstract: front page image
(EN)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-ϝl)benzene. The compounds of formula (II) are useful intermediates for the preparation of angiotensin II antagonists.
(FR)L'invention concerne un procédé de préparation de dérivés de phényltétrazole de formule (II), dans laquelle R et Y ont la signification indiquée dans la description, par ortho-métallation directe de (tétrazol-5-yl)benzène. Lesdits composés de formule (II) sont des intermédiaires utiles pour la préparation d'antagonistes de l'angiotensine II.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)