Catalysts function by providing an alternate reaction mechanism that has a lower activation energy than would be found in the absence of the catalyst. In some cases, the catalyzed mechanism may include additional steps.In a article, 1271-19-8, molcular formula is C10Cl2Ti, introducing its new discovery. SDS of cas: 1271-19-8
Alkynyltitanocene Chlorides, Dialkynyltitanocene Derivatives. (nu5-C2H5)2TiCl2 (1a) reacts with one equivalent of Li-C<*>C-Si(CH3)3 to yield the mono alkynyl-substituted titanocene complex (nu5-C2H5)2Ti(Cl)(C<*>-Si(CH3)3) (2).The reaction of 2 with another equivalent of Li-C<*>C-SI(CH3)3 gives disubstituted compound (nu5-C2H5)2Ti(C<*>C-Si(CH3)3)2 (3f).In general, complexes of the (nu-C5H4R)2Ti(C<*>C-R’)2 (R = H, CH3, Si(CH3)3; R’ = C6H5, C2H5, nC3H7, nC4H9, ‘C4H9, Si(CH3)3), 3-5, can be prepared by the reaction of (nu5-C5H4R)2TiCl2 (1) and two moles of E-C<*>C-R'(E = BrMg, Na, Li; R, R’ = see above) to give the compounds 3-5 in yields of up to 95percent.The reaction of 2-5 with X2 or HX yields the appropriate compounds (nu5-C5H4R)2TiX2 (X = F, Cl, Br) and H-C<*>C-R’ or X-C<*>C-R’.
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Reference:
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI