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1. (WO2011012620) PROCESSES FOR THE ALKYLATION OF PYRAZOLES
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2011/012620    International Application No.:    PCT/EP2010/060884
Publication Date: 03.02.2011 International Filing Date: 27.07.2010
IPC:
C07D 231/14 (2006.01), C07D 409/12 (2006.01)
Applicants: SYNGENTA PARTICIPATIONS AG [CH/CH]; Schwarzwaldallee 215 CH-4058 Basel (CH) (For All Designated States Except US).
WANG, Linhua [US/US]; (US) (For US Only).
EBERT, Jefferson Thomas [US/US]; (US) (For US Only)
Inventors: WANG, Linhua; (US).
EBERT, Jefferson Thomas; (US)
Agent: THWAITE, Jonathan; Syngenta Crop Protection Münchwilen AG Patent Department Schaffhauserstrasse CH-4332 Stein (CH)
Priority Data:
61/230,134 31.07.2009 US
61/361,570 06.07.2010 US
Title (EN) PROCESSES FOR THE ALKYLATION OF PYRAZOLES
(FR) TRAITEMENTS POUR L'ALKYLATION DE PYRAZOLES
Abstract: front page image
(EN)The invention provides a process for the preparation of a compound of formula (I) in particular, wherein a compound of formula (II) is reacted with a dialkylsulphate. R1 is C1-C4haloalkyl; R2 is optionally substituted alkyl, optionally substituted aryl or optionally substituted heteroaryl; and R3 is methyl or ethyl.
(FR)La présente invention concerne un traitement permettant l'élaboration d'un composé représenté par la formule (I), et consistant en l'occurrence à faire réagir avec un dialkyl-sulfate un composé représenté par la formule (II). Dans ces formules, R1 est C1-C4 haloalkyle, R2 est alkyle éventuellement substitué, aryle éventuellement substitué ou hétéroaryle éventuellement substitué, et R3 est méthyle ou éthyle.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PE, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, 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 (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, SE, SI, SK, SM, 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)