Abstract

Kynurenic allyl ester reacts readily with [CpRu(NCCH3)3]PF6 in dry acetone to yield the RuIV allyl. The complex is an effective catalyst for the hydrolysis of methyl allyl carbonate in aqueous solution in air yet decomposes rapidly in aerobic solutions of methanol. Kinetic studies are consistent with rate-limiting attack of water (or methanol) on the RuIV allyl as a key step. A polystyrene-supported version of the catalyst was active for the catalytic hydrolysis of methylallyl carbonate, but kinetic studies indicate that the Ru leaches from polystyrene upon repeated catalytic cycles.

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