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1. (WO2018032356) PROCESS FOR PREPARATION OF LACTONE DERIVATIVES AND INTERMEDIATES THEREOF
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2018/032356 International Application No.: PCT/CN2016/095527
Publication Date: 22.02.2018 International Filing Date: 16.08.2016
IPC:
C07D 307/33 (2006.01) ,C07D 263/26 (2006.01)
Applicants: PHARMARESOURCES (SHANGHAI) CO., LTD.[CN/CN]; Building 2, No. 299 Kaiqing Road, Pudong New District Shanghai 201201, CN
Inventors: CHEN, Ping; CN
PENG, Shaoping; CN
LI, Yinqiang; CN
LI, Dafeng; CN
DONG, Xuejun; CN
Agent: BEYOND ATTORNEYS AT LAW; F6, Xijin Centre 39 Lianhuachi East Rd., Haidian District Beijing 100036, CN
Priority Data:
Title (EN) PROCESS FOR PREPARATION OF LACTONE DERIVATIVES AND INTERMEDIATES THEREOF
(FR) PROCÉDÉ DE PRÉPARATION DE DÉRIVÉS DE LACTONE ET DE SES INTERMÉDIAIRES
Abstract:
(EN) A novel process for the preparation of lactone derivatives, and intermediates thereof is described. The lactone derivatives are important precursors for the synthesis of anti-hepatitis C virus agents, including sofosbuvir.
(FR) La présente invention concerne un nouveau procédé pour la préparation de dérivés de lactone et de ses intermédiaires. Les dérivés de lactone sont des précurseurs importants pour la synthèse d'agents anti-virus de l'hépatite C, y compris le sofosbuvir.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, 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, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 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 (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)