interaction of two equivalents of AlMe3 and AlEt3 afforded the corresponding binuclear complexes [(AlMe2)2L] (4) and [(AlEt2)2L] (5), respectively, and no methyl or hydrogen migration was found. The solid-state structures of aluminum complexes 1–3 were determined by single-crystal X-ray diffraction. It was found that complexes 2–5 show a very effective catalytic activity for the cycloaddition of epoxides and
通过烷基铝与六齿萨伦型席夫碱的反应合成了不同的铝配合物。的反应Ñ,Ñ ' -双(3,5-二-叔-butylsalicylidene)-2,2' - (亚乙二氧基)
二苯胺(LH 2)与一种当量。在100°C下通过
甲苯消除AlMe 3在
甲烷中的反应生成中间体甲基络合物[AlMeL](1),然后在分子内进行甲基甲基迁移,从而生成铝络合物[AlL'](2)[L'=(2 -O-3,5- t Bu 2 C 6 H 2)CH NC 6 H 4 OCH 2CH 2 OC 6 H 4 NCH(Me)(2'-O-3',5'- t Bu 2 C 6 H 2)]。在相同的实验条件下,相同
配体与AlEt 3的反应涉及
乙烷的消除,
乙烯的消除和分子内氢的迁移,并导致形成复合物[AlL'](3)[L''=(2-O-3, 5- t Bu 2 C 6 H 2)CH NC 6 H 4 OCH 2 CH 2 OC 6 H 4 NCH