Addition Reactions of Me<sub>3</sub>SiCN with Aldehydes Catalyzed by Aluminum Complexes Containing in their Coordination Sphere O, S, and N Ligands
作者:Zhi Yang、Yafei Yi、Mingdong Zhong、Sriman De、Totan Mondal、Debasis Koley、Xiaoli Ma、Dongxiang Zhang、Herbert W. Roesky
DOI:10.1002/chem.201505162
日期:2016.5.10
β‐diketiminate ligand) with two equivalents of 2‐mercapto‐4,6‐dimethylpyrimidine hydrate resulted in LAl[(μ‐S)(m‐C4N2H)(CH2)2]2 (2) in good yield. Similarly, when N‐2‐pyridylsalicylideneamine, N‐(2,6‐diisopropylphenyl)salicylaldimine, and ethyl 3‐amino‐4,5,6,7‐tetrahydrobenzo[b]thiophene‐2‐carboxylate were used as starting materials, the corresponding products LAl[(μ‐O)(o‐C6H4)CN(C5NH4)]2 (3), LAlH[(μ‐O)(o‐C4H4)CN(2
一当量的LAlH 2(1 ; L = HC(CMeNAr)2,Ar = 2,6 - i Pr 2 C 6 H 3,β-二酮配体)与两当量的2-巯基-4,6-反应二甲基嘧啶水合物可产生高收率的LAl [(μS)(m - C 4 N 2 H)(CH 2)2 ] 2(2)。同样,当N -2-吡啶基水杨亚胺,N-(2,6-二异丙基苯基)水杨醛亚胺和3-氨基-4,5,6,7-四氢苯并乙基[ b]噻吩-2-羧酸盐用作原料,相应的产物LAl [(μ-O)(o - C 6 H 4)CN(C 5 NH 4)] 2(3),LAlH [(μ-O) (o- C 4 H 4)CN(2,6- i Pr 2 C 6 H 3)](4)和LAl [(μ-NH)(o - C 8 SH 8)(COOC 2 H 5)]分离出2(5)。化合物2 – 5通过1 H和13 C NMR光谱以及单晶X射线结构分析来表征。出乎意料的是,化合物2