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1. (WO2004002990) SYNTHESIS OF PURINE DERIVATIVES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2004/002990    International Application No.:    PCT/EP2003/006568
Publication Date: 08.01.2004 International Filing Date: 23.06.2003
Chapter 2 Demand Filed:    10.12.2003    
IPC:
C07D 473/00 (2006.01), C07D 473/34 (2006.01)
Applicants: F. HOFFMANN-LA ROCHE AG [CH/CH]; Grenzacherstrasse 124, CH-4070 Basel (CH)
Inventors: HAMMARSTROEM, Lars, G., J.; (US).
KRAUSS, Nancy, Elisabeth; (US).
LABADIE, Sharada, Shenvi; (US).
SMITH, David, Bernard; (US).
TALAMAS, Francisco, Xavier; (US)
Agent: RAUBER, Beat; Grenzacherstrasse 124, CH-4070 Basel (CH)
Priority Data:
60/392,081 27.06.2002 US
Title (EN) SYNTHESIS OF PURINE DERIVATIVES
(FR) SYNTHESE DE DERIVES DE LA PURINE
Abstract: front page image
(EN)The present invention provides a process for producing highly substituted purine compounds from pyrimidine compounds. Furthermore, processes of the present invention allow preparation of a library of purine compounds. Specifically the invention claims a process for the preparation of a substituted purine compound of the formula (I), wherein R1, R2, R3, R4, and R5 are as described herein.
(FR)La présente invention a trait à un procédé destiné à produire des composés puriques à forte substitution à partir de composés pyrimidiques. Les procédés selon la présente invention permettent également la préparation d'une banque de composés puriques. L'invention concerne précisément un procédé de préparation d'un composé purique substitué représenté par la formule (I), dans laquelle R1, R2, R3, R4, et R5 sont tels que définis dans le descriptif de l'invention.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, 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, NO, NZ, OM, PH, PL, PT, RO, RU, SD, SE, SG, SK, SL, TJ, TM, TN, TR, TT, TZ, UA, UG, UZ, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (GH, GM, KE, LS, MW, MZ, 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, 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)