← EPO Patent Bulletin

METHOD FOR PRODUCING DIHYDROXYINDOLES

Grant EP3689852B1 Kind: B1 Mar 18, 2026

Inventors

ITO Norihiro, NAKAMOTO Masayoshi

IPC Classifications

C07D 209/08 20060101AFI20210503BHEP C07D 209/42 20060101ALI20210503BHEP

Designated 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