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Pub. No.:    WO/2012/119507    International Application No.:    PCT/CN2012/071280
Publication Date: 13.09.2012 International Filing Date: 17.02.2012
Chapter 2 Demand Filed:    08.01.2013    
C07C 323/52 (2006.01), C07C 319/06 (2006.01)
Applicants: BEIJING TIANQING CHEMICALS CO., LTD. [CN/CN]; No. 2 Lin, Juhe West Road, Pinggu Pinggu District, Beijing 101200 (CN) (For All Designated States Except US).
XIAO, Haihuan [CN/CN]; (CN) (For US Only).
ZHANG, Xiaolin [CN/CN]; (CN) (For US Only).
JIN, Yuechun [CN/CN]; (CN) (For US Only)
Inventors: XIAO, Haihuan; (CN).
ZHANG, Xiaolin; (CN).
JIN, Yuechun; (CN)
Agent: INSIGHT INTELLECTUAL PROPERTY LIMITED; Suite 19A, 19B, Tower A, InDo Building No. 48A Zhichun Road, Haidian District Beijing 100098 (CN)
Priority Data:
201110059175.6 08.03.2011 CN
(ZH) 3-巯基丙酸酯的制备
Abstract: front page image
(EN)Disclosed is a method for preparing 3-mercaptopropionate which comprises the addition of Na2SO3 in course of the reaction of H2S and S2R2, wherein R = -CH2CH2COOR1, and R1 is selected from C1-8 alkyl, aryl, C1-8 alkyl or C1-8 Naphthenic Base. The process has high yield, high recovery rate of materials and reduced operation danger.
(FR)L'invention concerne un procédé de préparation de 3-mercaptopropionate qui comprend l'ajout de Na2SO3 au cours de la réaction d'H2S et S2R2, avec R = -CH2CH2COOR1 et R1 choisi parmi alkyle en C1-8, aryle, alkyle en C1-8 ou base naphténique en C1-8. Le procédé a un rendement élevé, un taux de récupération des matériaux élevé et un danger opérationnel réduit.
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, QA, RO, RS, RU, RW, 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, RW, 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, RS, 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: Chinese (ZH)
Filing Language: Chinese (ZH)