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A dimeric constrained‐geometry titanium complex linked by double Ti–CH2–Al–CH2 heterocycles
Authors:Khalil A Abboud  Peter N Nickias  Eugene Y‐X Chen
Abstract:In the structure of bis({N‐di­methyl(1η5‐2,3,4,6‐tetra­methyl­in­den­yl)­silyl]­cyclo­hexyl­amido‐1κN}(methyl‐3κC)‐di‐μ3‐methyl­ene‐1:2:3κ3C;1:3:3′κ3C‐tris(pentafluorophenyl‐2κC)titanium) benzene disolvate, Me2Si(η5‐2,3,4,6‐Me4C9H2)(C6H11N)]Ti(μ3‐CH2)Al(C6F5)3]AlMe(μ3‐CH2)]2 or Ti2(C21H7AlF15)2(C21H31NSi)2]·2C6D6, the dimer is located on an inversion center, and the two Ti centers are linked by double Ti(μ3‐CH2)Al(C6F5)3AlMe(μ3‐CH2) heterocycles. The electron‐deficient Ti centers are further stabilized by two α‐agostic interactions between Ti and one H atom of each bridging methyl­ene group.
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