US 12,030,899 B2
Pt-biphenyl-iodine complex and Pt-biphenyl-bromine complex
Carolin Schneider, Monheim am Rhein (DE); Ralf Jackstell, Rostock (DE); Matthias Beller, Ostseebad Nienhagen (DE); and Robert Franke, Marl (DE)
Assigned to EVONIK OXENO GMBH & CO. KG, Marl (DE)
Filed by EVONIK OPERATIONS GMBH, Essen (DE)
Filed on Dec. 13, 2022, as Appl. No. 18/064,953.
Claims priority of application No. 21215366 (EP), filed on Dec. 17, 2021.
Prior Publication US 2023/0192743 A1, Jun. 22, 2023
Int. Cl. C07F 15/00 (2006.01); B01J 31/22 (2006.01); C07C 45/50 (2006.01)
CPC C07F 15/0093 (2013.01) [B01J 31/2208 (2013.01); C07C 45/505 (2013.01)] 11 Claims
 
1. A complex comprising:
a) Pt;
b) a ligand corresponding to formula (I):

OG Complex Work Unit Chemistry
where R1, R2, R3 and R4 are selected from: —(C1-C12)-alkyl or —O—(C1-C12)-alkyl, and R5, R6, R7, R8, R9, R10, R11 and R12 are selected from: —H, —(C1-C12)-alkyl, —O—(C1-C12)-alkyl or —(C6-C20)-aryl;
c) an iodine ligand or a bromine ligand.