BENZYL VINYL ETHER

ORGANIC CHEMISTRY SELECT

Green Chem., 2016, Advance Article

DOI: 10.1039/C5GC02977E, Communication

Ryosuke Matake, Yusuke Adachi, Hiroshi Matsubara

A convenient preparation of vinyl ethers from alcohols with calcium carbide was developed. This protocol is an alternative to the Favorskii-Reppe reaction without any high pressure device.

Vinyl ethers are important and useful synthetic building blocks. Using a test tube with a screw cap, a convenient preparation of vinyl ethers from alcohols with calcium carbide under superbasic catalytic conditions (KOH/DMSO) was developed. The vinylation of primary and secondary alcohols was successfully achieved, affording the desired products in good yields. The gram-scale preparation of a vinyl ether was also demonstrated. In this reaction, calcium carbide acts as an acetylene source, constituting a safer alternative to acetylene gas.

 F. de Nanteuil, E. Serrano, D. Perrotta and J. Waser, J. Am…

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