Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: Chloro(1,5-cyclooctadiene)(pentamethylcyclopentadienyl)ruthenium, is researched, Molecular C18H28ClRu, CAS is 92390-26-6, about Activation of a water molecule under mild conditions by ruthenacyclopentatriene: mechanism of hydrative cyclization of diynes.Product Details of 92390-26-6.
A ruthenium cyclic biscarbene complex reacted with a H2O mol. under mild conditions to produce η5-oxapentadienyl complex, that proved to be the intermediate in the catalytic hydrative cyclization of a diyne.
In addition to the literature in the link below, there is a lot of literature about this compound(Chloro(1,5-cyclooctadiene)(pentamethylcyclopentadienyl)ruthenium)Product Details of 92390-26-6, illustrating the importance and wide applicability of this compound(92390-26-6).
Reference:
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method