The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Bromoferrocene, is researched, Molecular C10BrFe, CAS is 1273-73-0, about N,N’-Diferrocenyl-N-heterocyclic Carbenes and Their Derivatives, the main research direction is crystal structure ferrocenyl imidazolidine imidazolidinethione imidazolinium imidazolinethione silver imidazolinylidene; mol structure ferrocenyl imidazolidine imidazolidinethione imidazolinium imidazolinethione silver imidazolinylidene; silver ferrocenylimidazolinylidene complex preparation structure; imidazolinylidene ferrocenyl silver complex preparation structure; imidazolinium ferrocenyl preparation structure electrochem reaction; imidazolinylium ferrocenyl preparation structure electrochem reaction; imidazolidine ferrocenyl preparation structure electrochem reaction; imidazolidinethione preparation; imidazolinethione preparation structure electrochem; carbene nitrogen heterocyclic silver complex preparation structure; electrochem ferrocenyl imidazolidine imidazolidinethione imidazolinium imidazolinethione silver imidazolinylidene; ferrocenyl imidazolidine imidazolidinethione imidazolinium imidazolinethione imidazolium imidazolinylidene preparation structure.Application of 1273-73-0.
In continuation of the authors’ work on Wanzlick/Arduengo carbenes containing redox-active ferrocenyl substituents the synthesis of N,N’-diferrocenyl imidazol(in)ium salts as precursors of imidazol(in)-2-ylidenes is reported. The necessary starting material for this chem. is aminoferrocene, which was prepared by an improved and large-scale synthesis by the sequence solid lithioferrocene, iodoferrocene, N-ferrocenylphthalimide, aminoferrocene. The preparation of N,N’-diferrocenyl heterocycles involves condensation of aminoferrocene with glyoxal to afford N,N’-diferrocenyldiazabutadiene [Fc-DAB], reduction, condensation with formaldehyde, and oxidation with trityl salts to yield N,N’-diferrocenylimidazol(in)ium salts. In situ deprotonation and trapping with electrophiles yielded the expected metal complexes and derivatives in some cases [Ag+ or S8], but attempted reaction with other transition metals [e.g., Pd(II)] failed to give the corresponding complexes, due to (i) steric hindrance by the two N-ferrocenyl substituents, (ii) reduced acidity of the imidazol(in)ium precursors, and (iii) inaccessibility of the free carbenes. Spectroscopic [IR, Raman, UV-visible, MS, NMR (1H, 13C, 109Ag)], structural [x-ray], and electrochem. [CV] properties are reported and compared to those of other N-heterocyclic carbene derivatives
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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com