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(11)

EP 3 728 185 A1

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(43) Date of publication: 28.10.2020 Bulletin 2020/44 (21) Application number: 18833637.4 (22) Date of filing: 19.12.2018

(51) International Patent Classification (IPC):  C07C 305/04(2006.01) C07C 229/12(2006.01) C07F 9/54(2006.01) (86) International application number: PCT/EP2018/085892 (87) International publication number: WO 2019/121946 (27.06.2019 Gazette 2019/26)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 20.12.2017 EP 17208990 (71) Applicant: Freie Universität Berlin 14195 Berlin (DE)	(72) Inventors: HAAG, Rainer 12209 Berlin (DE) GAO, Lingyan 14197 Berlin (DE) LI, Mingjun 14195 Berlin (DE) (74) Representative: Maikowski & Ninnemann Patentanwälte Partnerschaft mbB  Postfach 15 09 20 10671 Berlin 10671 Berlin (DE)