- “Crystalline Sodium Salt of Telmisartan and the Use of the same as an Angiotensin Antagonist”; K. Donsbach; I. Hof; WO/2003/037876; United States Patent 6737432, US 20040162327 (2003)
- “Process for preparing macrocyclic compounds”, J. Brandenburg; K. Donsbach; H.-D. Ecker; R.P. Frutos; F. Gallou; D. Gutheil; N. Haddad; R. Hagenkoetter; D. Kemmer; J. Kroeber; T. Nicola; J. Schnaubelt; M. Schul; R.D. Simpson; X. Wei; E. Winter; Y. Xu; N.K. Yee; WO/2004/092203, US 7148347 B2 (2004)
- “Process for making 5,11-Dihydro-11-ethyl-5-methyl-8{2-{(1-oxido-4-quinolinyl)oxy} ethyl}-6H-di pyrido[3,2-b:2′,3′-e][1,4]diazepin-6-one”; S. Ahmad; R. F. Boswell, Jr.; J. D. Brown; C. M. Davis; K. O. Donsbach; B. F. Gupton; C. P. Johnson III; A. Khodabocus; V. R. Kulkarni; and Y. S. Lo, US 7,282,583 B2 (2007)
- “Process of removing transition metals”, M. Brenner; K. Donsbach; T. Nicola; T. Wirth WO/2005/075502, US7449591 B2 (2008)
- “Enantioselective biocatalytic preparation of 4-cyano-substituted 1-aminoindane and ozanimod”; J. Löwe; F. Uthoff; C. Harms, H. Gröger, K. Donsbach, EP3775253A1, US20210108245A1 (2018)
- “A process for the preparation of ozanimod and its intermediate (S)-l-Amino-2,3-dihydro-1H-indene-4-carbonitrile”: K. Donsbach, J. A. Parihar, S. Pratha, C. S. Satyavarapu, L. K. Nalluri, P. Matturti, EP3849965A1, US20210340115A1 (2019)
- “Method for preparing periodates”; S. R. Waldvogel, S. Arndt, D. Weis, K. Donsbach, WO2021110928A1, US20230053763A1 (2020)
- “Verfahren zur Hydroxylierung von Steroiden”, N. Staunig, K. O. Donsbach, EP3875596A1, US20240240221A1 (2020)
- “Verfahren zur Hydroxylierung von Steroiden”, N. Staunig, K. O. Donsbach, EP4114961A1, US20240209410A1 (2020)
- “Regioselective oxidation of heterocyclic alpha-amino amides”; S. R. Waldvogel, S. Arndt, D. Weis, K. Donsbach, A. M. Nauth, T. Opatz, WO2021214278A3, US20230159452A1 (2021)
- Other patents in preparation
