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EP 3 781 698 A2

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(88) Date of publication A3: 12.12.2019 (43) Date of publication: 24.02.2021 Bulletin 2021/08 (21) Application number: 19722803.4 (22) Date of filing: 17.04.2019

(51) International Patent Classification (IPC):  C12P 41/00(2006.01) C08F 124/00(2006.01) C12P 17/18(2006.01) C07D 493/04(2006.01) C12P 7/62(2006.01) (86) International application number: PCT/EP2019/060005 (87) International publication number: WO 2019/202038 (24.10.2019 Gazette 2019/43)

(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: 19.04.2018 GB 201806402 14.05.2018 GB 201807794 (71) Applicants: University of Tartu 50090 Tartu (EE) Tallinn University of Technology 19086 Tallinn (EE) National Institute of Chemical Physics And Biophysics 12618 Tallinn (EE)

(72) Inventors: PARVE, Jaan 19086 Tallinn (EE) VARES, Lauri 50090 Tartu (EE) PEHK, Tõnis 12618 Tallinn (EE) GATHERGOOD, Nicholas 19086 Tallinn (EE) PARVE, Omar 19086 Tallinn (EE) JANNASCH, Patric 50090 Tartu (EE) MATT, Livia 50090 Tartu (EE) (74) Representative: Williams Powell  11 Staple Inn London WC1V 7QH London WC1V 7QH (GB)