Selective Dehydrogenative Silylation–Hydrogenation Reaction of Divinyldisiloxane with Hydrosilane Catalyzed by an Iron Complex
摘要:
A hydride and a silyl group of hydrosilane is introduced into 1,3-divinyldisiloxane in the presence of a catalytic amount of (eta(5)-C5H5)Fe(CO)(2)Me. Instead of the product expected from the well-known hydrosilylation reaction, the product obtained is that characteristic of dehydrogenative silylation at one vinyl group and hydrogenation at the other vinyl group of 1,3-divinyldisiloxane. Based on deuterium labeling experiments, a catalytic cycle for this new reaction has been proposed.
The mechanism of (1,3) sigmatropic shift in η5-C5H5Fe(CO)(L)(η1-allyl) complexes
作者:Myron Rosenblum、Paul Waterman
DOI:10.1016/s0022-328x(00)83472-5
日期:1981.2
CpFe(CO)[P(OCH2)3CCH3](η1-allyl) complexes undergo (1,3) sigmatropicshift of the FeC bond at rates considerably lower than those observed for the corresponding CpFe(CO)2(η1-allyl) complexes. The mechanism of this process is not intramolecular, as shown by crossover experiments. The results are in accord with a radical chain process, involving the CpFe(CO)(L) radical as chain carrying species and
A novel preparative method for heterobimetallic µ-η<sup>2</sup>-(C,C)-ketene complexes, Fp–CH<sub>2</sub>CO–ML<sub>n</sub>[Fp =(η<sup>5</sup>-C<sub>5</sub>H<sub>5</sub>)Fe(CO)<sub>2</sub>]
作者:Munetaka Akita、Atsuo Kondoh、Yoshihiko Moro-oka
DOI:10.1039/c39860001296
日期:——
A variety of heterobimetallic µ-η2-(C,C)-ketene complexes, FpâCH2COâMLn, are prepared through acylation of metal anions, MLnâ, by FpâCH2COâCl.