METHOD FOR THE PRODUCTION OF ALKANE SULFONIC ACIDS

• Main Authors: DÍAZ-URRUTIA, Christian, BIERTÜMPEL, Ingo, OTT, Timo
• Format: Patent
• Language: English
• Published: 27.08.2019
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

relMSA% MSA >% yield >99% selectivity B CH 4 (100 bar) SO 3 (100%) pre-cat H 2 SO 4 /MSA recycling stream (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 16 August 2018 (16.08.2018) WIP0 1 PCT omit VIII °nolo Holum lull 10110111110 oimIE (10) International Publication Number WO 2018/146153 Al < 1 mol% pre-cat , 50 C ° ca. 100 bar solv: H2SO4 CH3SO3H 9 9 pre-cat: R-S-O-O-S-R 0 0 R = H, OH, Me (51) International Patent Classification: C07C 303/06 (2006.01) C07C 309/04 (2006.01) (21) International Application Number: PCT/EP2018/053081 (22) International Filing Date: 07 February 2018 (07.02.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 17154935.5 07 February 2017 (07.02.2017) EP (71) Applicant: GRILLO-WERKE AG [DE/DE]; Weseler StraBe 1, 47169 Duisburg (DE). (72) Inventors: OTT, Timo; c/o Grillo-Werke AG, Weseler StraBe 1, 47169 Duisburg (DE). DIAZ-URRUTIA, Chris- tian; c/o Grillo-Werke AG, Weseler StraBe 1, 47169 Duis- burg (DE). BIERTUMPEL, Ingo; c/o Grillo-Werke AG, Weseler StraBe 1, 47169 Duisburg (DE). (74) Agent: DOMPATENT VON KREISLER SELTING WERNER - PARTNERSCHAFT VON PATENTAN- WALTEN UND RECHTSANWALTEN MBB; Deich- mannhaus am Dom, Bahnhofsvorplatz 1, 50667 Koln (DE). (81) Designated States (unless otherwise indicated, for every kind of national protection available): 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, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, 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. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (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), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: - with international search report (Art. 21(3)) (54) Title: METHOD FOR THE PRODUCTION OF ALKANE SULFONIC ACIDS Fig. 1 A SCI l -3 + CH4 1-1 (57) : The present invention relates to methods for the production of alkane sulfonic acids, especially methane sulfonic acid, el from alkane, especially methane, in which a carbocation, particularly a carbenium ion, is formed, as well as to the use of carbocations, O particularly carbenium ions, for the production of alkane sulfonic acids, especially methane sulfonic acid.