US 11,739,108 B2
Diphosphites having an open, 2,4-methylated outer unit
Anna Chiara Sale, Recklinghausen (DE); Robert Franke, Marl (DE); Alexander Brächer, Haltern am See (DE); Dirk Fridag, Haltern am See (DE); and Johannes Knossalla, Gahlen (DE)
Assigned to EVONIK OPERATIONS GMBH, Essen (DE)
Filed by EVONIK OPERATIONS GMBH, Essen (DE)
Filed on Sep. 20, 2021, as Appl. No. 17/479,144.
Claims priority of application No. 20197484 (EP), filed on Sep. 22, 2020.
Prior Publication US 2022/0089623 A1, Mar. 24, 2022
Int. Cl. C07C 45/50 (2006.01); C07F 9/6574 (2006.01); B01J 31/18 (2006.01)
CPC C07F 9/65746 (2013.01) [B01J 31/185 (2013.01); B01J 2231/321 (2013.01); B01J 2531/821 (2013.01); B01J 2531/822 (2013.01); B01J 2531/827 (2013.01); B01J 2531/845 (2013.01)] 10 Claims
 
1. A compound having structure (I):

OG Complex Work Unit Chemistry
where R1 and R3 are selected from: —H, —(C1-C12)-alkyl or —O—(C1-C12)-alkyl and where R2 and R4 are selected from: —H or —O—(C1-C12) alkyl.