(19)
(11)EP 3 612 533 A1

(12)

(43)Date of publication:
26.02.2020 Bulletin 2020/09

(21)Application number: 18723156.8

(22)Date of filing:  19.04.2018
(51)International Patent Classification (IPC): 
C07D 487/04(2006.01)
(86)International application number:
PCT/US2018/028253
(87)International publication number:
WO 2018/195245 (25.10.2018 Gazette  2018/43)
(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: 20.04.2017 US 201762487695 P

(71)Applicant: Immunogen, Inc.
Waltham, MA 02451 (US)

(72)Inventors:
  • GÉRARD, Baudouin
    Belmont MA 02478 (US)
  • SILVA, Richard, A.
    Needham MA 02492 (US)
  • MILLER, Michael, Louis
    Framingham MA 01701 (US)
  • SHIZUKA, Manami
    Belmont MA 02478 (US)

(74)Representative: McNab, Donald C. 
Marks & Clerk LLP 40 Torphichen Street
Edinburgh EH3 8JB
Edinburgh EH3 8JB (GB)

  


(54)METHODS OF PREPARING INDOLINOBENZODIAZEPINE DERIVATIVES