Mono complexes indium

Scheme 37 shows a reaction sequence leading to a mono(amidinato) indium bia(arylimido) complex. Subsequent treatment of the latter with Ti(NMe2)4 resulted in formation of the heterobimetallic In/Ti complex [But(NPr )2]In /t-NCgH3Pri-2,6 2Ti(NMe2)2 (cf. Sections 111.B.2 and V.A.l)." ... 

In 2004 an indium-NHC complex was reported which was prepared from an air stable imidazolium salt precursor.29 Reaction of one equivalent of imidazolium salt with InMe3 affords (NHC)InMe2Cl 18 (Scheme 12). The indium-NHC bond distance of 2.267(2) A is shorter than that of InH3(NHC), though longer than the bis-NHC InBr3(NHC)2. Mono-triflate (19) and bis-triflate (20) complexes can also be prepared by treatment of 18 with trimethyl silyl triflate and treatment of 19 with triflic acid respectively. 

Mono-, bis-, and tris-monothio-/ -diketonate complexes of In(III) have been prepared. The crystal structure of In(PhCSC(H)COPh)3 (35) shows that the indium has a distorted octahedral coordination with a fac arrangement of the S and O ligand atoms. 

New catalysts have heen recently developed for promoting the aldol-type addition of acetate-derived silyl ketene acetals with high efficiency 10-methylacridinium perchlorate (5 mol %), cationic mono- and dinuclear iron complexes (5 mol %), t-hutyldimethylsilyl chloride-indium(III) chloride (10 mol %), [l,2-henzenediolato(2—)-0,0 ]oxotitanium(20 mol%), phos-phonium salts (7 mol%), and trityl salts (5-20 mol%). ... 

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