The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: Chloro(1,5-cyclooctadiene)(pentamethylcyclopentadienyl)ruthenium( cas:92390-26-6 ) is researched.Synthetic Route of C18H28ClRu.Fagan, Paul J.; Mahoney, Wayne S.; Calabrese, Joseph C.; Williams, Ian D. published the article 《Structure and chemistry of the complex tetrakis(η5-pentamethylcyclopentadienyl)tetrakis(μ3-chloro)tetraruthenium(II): a useful precursor to (pentamethylcyclopentadienyl)ruthenium(0), -(II), and -(IV) complexes》 about this compound( cas:92390-26-6 ) in Organometallics. Keywords: crystal mol structure pentamethylcyclopentadienylruthenium chloride complex; ruthenium pentamethylcyclopentadienyl preparation reaction; diene ruthenium halide anion complex; butadieneruthenium iodide preparation crystal mol structure. Let’s learn more about this compound (cas:92390-26-6).
A single crystal x-ray structural anal. of the complex [Cp*Ru(μ3-Cl)]4 (I, Cp* = η5-pentamethylcyclopentadienyl) has been performed. The complex contains a distorted cubic array of Ru and Cl atoms. I is a useful precursor to Ru(0), Ru(II), and Ru(IV) pentamethylcyclopentadienyl complexes. Reaction of I with donor ligands yields Cp*RuL2Cl complexes (L = CO, PMe3). With dienes, I yields the complexes Cp*Ru(η4-diene)Cl (diene = 1,3-butadiene, 1,3-ptenadiene, trans-2,trans-4-hexadiene, 2,3-dimethyl-1,3-butadiene, 2,3-diphenyl-1,3-butadiene, 1,3-cyclohexadiene, 1,3-cycloheptadiene, 1,5-cyclooctadiene, norbornadiene) which in turn can be reduced with Li to yield the corresponding anionic diene complexes Cp*Ru(η4-diene)-Li+·DME (DME = 1,2-dimethoxyethane). The complex [Cp*Ru(μ3-I)]4 has also been prepared and reacts with 1,3-butadiene to yield Cp*Ru(η4-s-cis-1,3-butadiene)I, which has been structurally characterized by a single crystal x-ray anal. Reaction of I with ethylene yields the complex [Cp*Ru(η2-C2H4)Cl]x which can be converted to the complex Cp*Ru(η2-C2H4)2Li. With allyl chloride, I yields the oxidative addition product Cp*Ru(η2-C2H4)Cl2.
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Reference:
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method