Structural studies of Schiff-base [2 + 2] macrocycles derived from 2,2′-oxydianiline and the ROP capability of their organoaluminium complexes
作者:Wenxue Yang、Ke-Qing Zhao、Timothy J. Prior、David L. Hughes、Abdessamad Arbaoui、Mark R. J. Elsegood、Carl Redshaw
DOI:10.1039/c6dt01997h
日期:——
of alkyl groups and isolation of the complexes [(AlR′2)4L1′–3′] (R = L2′, R′ = Me (11); L3′, R′ = Me (12); L1′, R′ = Et (13); L2′, R′ = Et (14); L3′, R′ = Et (15)), where L1′–3′ is the macrocycle resulting from double alkyl transfer to imine, namely [2-(O)-5-(R)C6H2-1-(CH)-3-C(R′)H][(O)(2-(N)-2′-C6H4N)2]}2. Molecular structures of complexes 7·2¼MeCN, 8, 9·4toluene, 10·5MeCN and 11·1¾toluene·1¼hexane
[2 + 2] Schiff碱大环[2-(OH)-5-(R)-C 6 H 2 -1,3-(CH)2 ] [O( 2-C 6 H 4 N)2 ]} 2(R = Me L 1 H 2,t Bu L 2 H 2,Cl L 3 H 2),是通过2,6-二羧基-4-R-苯酚与2,2'-二氨基二苯醚(2- aminophenylether),(2-NH 2 C ^ 6 ħ 4)2 O,已被确定。L n的反应ħ 2与为AlR两个当量' 3(R'=甲基,乙基),得到双核络合物烷基铝[(ALR' 2)2大号1-3〕(R = R'=我(1)中,R =吨卜,R ′= Me(2),R = Cl,R′= Me(3),R = Me,R′= Et(4),R = t Bu,R′= Et(5),R = Cl,R′ = Et(6))。对于对比研究,为AlR'的两个当量的反应3与2,2'- ethylenedianiline和2