US 12,466,903 B2
Catalysts and process for olefins and polar vinyl monomers copolymerization and olefins homopolymerization
Barbara Milani, Gradisca d'Isonzo (IT); Anna Dall'Anese, Vittorio Veneto (IT); Cyril Godard, Els Pallaresos Tarragona (ES); and Myriam Yasmine Souleymanou, Terragona Tarragona (ES)
Assigned to UNIVERSITA' DEGLI STUDI DI TRIESTE, Trieste (IT)
Appl. No. 17/796,897
Filed by UNIVERSITA' DEGLI STUDI DI TRIESTE, Trieste (IT)
PCT Filed Feb. 17, 2020, PCT No. PCT/EP2020/054037
§ 371(c)(1), (2) Date Aug. 2, 2022,
PCT Pub. No. WO2021/164844, PCT Pub. Date Aug. 26, 2021.
Prior Publication US 2023/0053987 A1, Feb. 23, 2023
Int. Cl. C08F 4/70 (2006.01); C07C 251/08 (2006.01); C08F 10/02 (2006.01)
CPC C08F 4/7006 (2013.01) [C08F 10/02 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A compound of formula (II) below, intermediate in the preparation of a palladium-based catalyst:

OG Complex Work Unit Chemistry
wherein R1 is selected from hydrogen and methyl, R2 is selected from methyl and isopropyl and n is an integer from 1 to 4.