[CpRu(IV)(π‐C₃H₅)(2‐quinolinecarboxylato)]PF₆ Complex: A Robust Catalyst for the Cleavage and Formation of Allyl Ethers

Abstract

Abstract A facile and efficient method for the quantitative synthesis of [CpRu(IV)(π‐C 3 H 5 )(2‐quinolinecarboxylato)]PF 6 from [CpRu(CH 3 CN) 3 ]PF 6 , 2‐quinolinecarboxylic acid, and 2‐propen‐1‐ol has been established. The cationic Ru(IV) complex is air‐ and moisture‐stable, and can be stored in a vial for at least six months. This complex realizes a simple and easy operation for both the deallylation of allyl ethers in methanol and the dehydrative allylation of alcohols. Furthermore, with removal of the volatile allyl methyl ether co‐product from the reaction system, the robust catalyst can attain a turnover of 10000 cycles of allyl ether cleavage.