Phenoxy-imine/-amide aluminum complexes with pendant or coordinated pyridine moieties: Solvent effects on structural type and catalytic capability for the ROP of cyclic esters
作者:Youshu Jiang、Wenjuan Zhang、Mingyang Han、Xing Wang、Gregory A. Solan、Rui Wang、Yanping Ma、Wen-Hua Sun
DOI:10.1016/j.polymer.2022.124602
日期:2022.3
Depending on the solvent employed, the dimeric aluminum phenoxyamide complexes [2-O,4-R4C6H3CHMeN(3′-R1,4′-R2,5′-R3C5HN)]2Al2Me2 (R1 = Me, R2 = R3 = R4 = H Al1; R2 = Me, R1 = R3 = R4 = H Al2; R3 = Me, R1 = R2 = R4 = H Al3; R1 = R2 = R3 = R4 = H Al4; R1 = Me, R4 = OMe, R2 = R3 = H Al5) or their monoaluminum phenoxyimine counterparts, [2-O-C6H4CH = N(3′-R1,4′-R2,5′-R3C5HN)]AlMe2 (R1 = Me, R2 = R3 = H
根据所使用的溶剂,二聚苯氧酰胺铝络合物 [2-O,4-R 4 C 6 H 3 CHMeN(3'-R 1 ,4'-R 2 ,5'-R 3 C 5 HN)] 2 Al 2我2 (R 1 = 我, R 2 = R 3 = R 4 = H Al1 ; R 2 = 我, R 1 = R 3 = R 4 = H Al2 ; R 3 = 我, R 1 = R 2 = R 4 = H铝3 ; R 1 = R 2 = R 3 = R 4 = H Al4;R 1 = Me, R 4 = OMe, R 2 = R 3 = H Al5 ) 或它们的单铝苯氧亚胺对应物,[2-OC 6 H 4 CH = N(3'-R 1 ,4'-R 2 ,5' -R 3 C 5 HN)]AlMe 2 (R 1 = Me, R 2 = R 3 = H Al6 ; R 2 = Me, R 1