WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |
PATENTSCOPE

Search International and National Patent Collections
World Intellectual Property Organization
Search
 
Browse
 
Translate
 
Options
 
News
 
Login
 
Help
 
Machine translation
1. (WO2005063753) PROCESS FOR THE PREPARATION OF TRIAZOLOPYRIMIDINES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2005/063753    International Application No.:    PCT/EP2004/014596
Publication Date: 14.07.2005 International Filing Date: 22.12.2004
IPC:
A01N 43/90 (2006.01), C07D 487/04 (2006.01)
Applicants: DOW AGROSCIENCES LLC [US/US]; 9330 Zionsville Road, Indianapolis, IN 46268 (US) (For All Designated States Except US).
GEBHARDT, Joachim [DE/DE]; (DE) (For US Only)
Inventors: GEBHARDT, Joachim; (DE)
Priority Data:
03029728.7 23.12.2003 EP
60/531,613 23.12.2003 US
Title (EN) PROCESS FOR THE PREPARATION OF TRIAZOLOPYRIMIDINES
(FR) PROCEDE DE PREPARATION DE TRIAZOLOPYRIMIDINES
Abstract: front page image
(EN)Process for the preparation of unsubstituted or substituted 2-amino-[1,2,4]triazolopyrimidines which comprises combining A) 2-amino-pyrimidine or its derivatives with alkyloxycarbonyl isothiocyanate or aryloxycarbonyl isothiocyanate with B) hydroxyl ammonium salt and a base wherein the reaction is carried out in a polar aprotic organic solvent in the temperature range of from 40 to 150 °C.
(FR)L'invention concerne un procédé de préparation de 2-amino-[1,2,4]triazolopyrimidines substituées ou non substituées consistant à combiner : A) une 2-amino-pyrimidine ou ses dérivés et un alkyloxycarbonyl isothiocyanate ou un aryloxycarbonyl isothiocyanate avec B) un sel d'hydroxylammonium et une base, la réaction étant effectuée dans un solvant organique aprotique polaire dans la plage de températures comprise entre 40 et 150 °C.
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, SM, 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, IS, IT, LT, 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)