Ferrocenyl zinc complex

Ferrocenyl-containing zinc complexes 64 and 65 were analyzed by El mass spectrome-try57"58 For 64, the intact M+ has been recorded at 70 eV gj mass spectra for the other heterometallic compounds, such as Zn F. containing mixed-valence Mn Fjy[n( 7... 

Parallel to the behavior previously described for the corresponding cobalt, nickel, copper, and zinc complexes, the thiosemicarbazonate complex C5H4CHN(N) = C(S)NH2)]2Cd also undergoes a reversible, ferrocenyl-centered, two-electron oxidation E° = -t-0.46 V) in acetonitrile [120],... 

A ferrocenyl-based aldimine chelated dimethylzinc with its imino and oxygen atom to produce the tetrahedral dimethylzinc complex 44. Both zinc-carbon bonds are equidistant (1.974(2) A) and the zinc-oxygen donor bond (2.381(2) A) is substantially longer than the zinc-nitrogen counterpart (2.213(2) A) (Scheme 37).91... 

Bolm found that chiral ferrocenyl hydroxy oxazoline 24 is also a good catalyst (88% ee). When the zinc species is prepared from a 1 2 mixture of diphenylzinc and diethylzinc, enantioselectivity is dramatically improved (97% ee) (Scheme 11) [36]. Extremely high enantioselectivity was also achieved by using planar chiral q5-cyclopentadienylrhenium tricarbonyl complex 25 [37]. 

Ferrocenyl ligands, via zinc reagents, 9, 120 Ferrocenylmethyl phosphonium salts, with gold(I), 2, 274 Ferrocenylmonophosphine, in styrene asymmetric hydrosilylation, 10, 817 Ferrocenyl oxazolines, synthesis, 6, 202 Ferrocenylphosphines with chromium carbonyls, 5, 219 in 1,3-diene asymmetric hydrosilylation, 10, 824-826 preparation, 6, 197 various complexes, 6, 201 Ferrocenylselenolates, preparation, 6, 188 Ferrocenyl-substituted anthracenes, preparation, 6, 189 Ferrocenyl terpyridyl compounds, phenyl-spaced, preparation 6, 188 Ferrocifens... 

In contrast to the square planar geometry of the corresponding nickel (ii) and palladium(ii) complexes, the zinc atom displays a distorted tetrahedral coordination. Both of the two ferrocenyl molecules assume an eclipsed configuration. 

Figure 5. Structures of some functional dendrimers A. Dendrimer with lanthanide ion as the central core with dendrons as ligands B. Dendrimer based on metal complex C. Silicon-based ferrocenyl dendrimer and D. Dendrimer with zinc-porphyrin core...

As detailed in earlier sections. Beer and co-workers (1469,1470) prepared a range of complexes in which two zinc bis(dithiocarbamate) centers are incorporated into macrocycles (Fig. 255). The terphenyl-based macrocycles 477 bind bidentate Lewis bases in their cavities (as discussed in Section IV.H.l.a), while 478 containing the well-known [Ru(bpy)3] " subunit has been utilized in anion-binding studies. The same group have also prepared a number of ferrocenyl-containing macrocycles 479-481, containing up to six iron(II) centers, probing their electrochemical properties (see later) (1468). 

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