Vinyl Ether Synthesis
Furthermore an experimentally simple stereoselective synthesis of of vinyl ethers is delineated using the same catalyst system.
Vinyl ether synthesis. Synthesis of macrocyclic poly 2 chloroethyl vinyl ether s die makromolekulare chemie rapid communications 1991 living cationic polymerization of 2chloroethyl vinyl ether. The alkene can be deprotonated at the vinyl carbon adjacent to the oxygen. Soc 2003 125 4978 4979. A highly regio and stereoselective syntheses of α halo enamides vinyl thioethers and vinyl ethers with aqueous hydrogen halide in two phase systems.
They are increasingly used in radiation curing systems because of a lower toxicity profile than the commonly used acrylic monomers. It is prone to polymerization leading to formation of polyvinyl ethers. Kinetics mechanism and application to polymer synthesis macromolecular symposia 1990 model copolymerization reactions. Vinyl ethers undergo homopolymerization via a cationic mechanism.
Organic letters 2018 20 15 4507 4511. 8 21 227 228 the mechanism for chain transfer is shown in scheme 9 for the case of α benzyloxystyrene 15 the driving force for fragmentation is provided by formation of a strong carbonyl double bond. The optimized protocol operates under. Use of ethyl vinyl ether in the synthesis of glutaraldehyde.
The alkene portion of the molecule is reactive in many ways. Methyl vinyl ether also participates in 4 2 cycloaddition reactions. Merlic department of chemistry and biochemistry university of california los angeles 607 charles e. Vinyl ethers undergo radical initiated copolymerization in the presence of specific monomers such as maleates fumarates and acrylics.
Methods for vinyl ether synthesis david j. Vinyl ethers 1 x ch 2 a o can be very effective addition fragmentation chain transfer agents. It is also important that r is a good radical leaving group. Young drive los angeles ca 90095 1569 usa.