The Synthesis of Cyclic Enol Ethers via Molybdenum Alkylidene-Catalyzed Ring-Closing Metathesis
An efficient method for the construction of five- and six-membered cyclic vinyl ethers from unsaturated esters using stoichiometric titanium reagents to convert the esters to acyclic olefinic enol ethers which are then transformed to the desired products by catalytic ring-closing olefin metathesis with a molybdenum alkylidene complex is described.
Fujimura, Osamu,Fu, Gregory C.,Grubbs, Robert H.
p. 4029 - 4031
(2007/10/02)
An efficient synthesis of ketone enol ethers mediated by N-(1-alkoxyalkyl)benzotriazoles
A new general method for the transformation of ketones into their enol ethers in good yield is developed via elimination of benzotriazole from N-(1-alkoxyalkyl)benzotriazole intermediates.
Katritzky,Bayyuk,Rachwal
p. 279 - 283
(2007/10/02)
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