US 12,454,536 B2
Deuterated 7-(3-(4-(2-([18F]fluoro)ethoxy)phenyl)propyl)-2-(furan-2-yl)-7H- pyrazolo [4,3-e][1,2,4]triazolo[1,5-C]pyrimidine-5-amine derivatives
Thu Hang Lai, Dresden (DE); Rodrigo Teodoro, Dresden (DE); Magali Toussaint, Dresden (DE); Daniel Gündel, Dresden (DE); Winnie Deuther-Conrad, Dresden (DE); Sladjana Dukic-Stefanovic, Dresden (DE); Susann Schröder, Dresden (DE); Rares-Petru Moldovan, Dresden (DE); and Peter Brust, Dresden (DE)
Assigned to HELMHOLTZ-ZENTRUM DRESDEN-ROSSENDORF E.V., Dresden (DE); and ROTOP PHARMAKA GMBH, Dresden (DE)
Appl. No. 17/620,848
Filed by HELMHOLTZ-ZENTRUM DRESDEN-ROSSENDORF E.V., Dresden (DE); and ROTOP PHARMAKA GMBH, Dresden (DE)
PCT Filed Jun. 22, 2020, PCT No. PCT/EP2020/067343
§ 371(c)(1), (2) Date Dec. 20, 2021,
PCT Pub. No. WO2020/260196, PCT Pub. Date Dec. 30, 2020.
Claims priority of application No. 10 2019 116 986.0 (DE), filed on Jun. 24, 2019.
Prior Publication US 2023/0095104 A1, Mar. 30, 2023
Int. Cl. C07D 487/14 (2006.01)
CPC C07D 487/14 (2013.01) [C07B 2200/05 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A compound of general formula I

OG Complex Work Unit Chemistry
wherein residues X1a, X1b, X2a, and X2b each are deuterium and residues X3a, X3b, X4a, X4b, X5a, and X5b each are hydrogen.