(19)
(11) EP 4 558 486 A1

(12)

(43) Date of publication:
28.05.2025 Bulletin 2025/22

(21) Application number: 23842539.1

(22) Date of filing: 19.07.2023
(51) International Patent Classification (IPC): 
C07D 239/42(2006.01)
C07C 209/84(2006.01)
 C07C 211/14(2006.01)
(52) Cooperative Patent Classification (CPC):
C07C 209/84; C07B 2200/13; C07C 209/62; C07C 253/30; C07C 269/06
 
C-Sets:
  1. C07C 209/84, C07C 211/14;
  2. C07C 209/62, C07C 211/14;
  3. C07C 253/30, C07C 255/25;
  4. C07C 269/06, C07C 271/20;
(86) International application number:
PCT/IB2023/057358
(87) International publication number:
WO 2024/018394 (25.01.2024 Gazette 2024/04)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 19.07.2022 IN 202241041141

(71) Applicant: Biophore India Pharmaceuticals Pvt. Ltd
Telangana, Hyderabad 500033 (IN)

(72) Inventors:
  • PULLAGURLA, Manik Reddy
    Telangana Hyderabad 500033 (IN)
  • KOTHAKONDA, Kiran Kumar
    Telangana Hyderabad 500033 (IN)
  • PITTA, Bhaskar Reddy
    Telangana Hyderabad 500033 (IN)
  • BOGE, Rajesham
    Telangana Hyderabad 500033 (IN)
  • RANGISETTY, Jagadeesh Babu
    Telangana Hyderabad 500033 (IN)

(74) Representative: AWA Denmark A/S 
Strandgade 56
1401 Copenhagen K
1401 Copenhagen K (DK)

   


(54) A PROCESS FOR THE PREPARATION OF CRYSTALLINE FORM A OF N, N'-BIS(2-AMINOETHYL)-1,2-ETHANEDIAMINE TETRAHYDROCHLORIDE