Ethyl Vinyl Ether Synthesis

An efficient method chemoselectively converts benzyl alcohols into their methyl or ethyl ethers in the presence of aliphatic or phenolic hydroxyl groups using 2 4 6 trichloro 1 3 5 triazine tct and dimethyl sulfoxide in methanol or ethanol.

Ethyl vinyl ether synthesis.

View information documentation regarding ethyl vinyl ether including cas msds more. Ethyl vinyl ether stabilised with potassium hydroxide for synthesis synonym. 150000008127 vinyl sulfides chemical class 0 000 title claims description 5 qykiqeunhzkybp uhfffaoysa n vinyl ether chemical class synthesis. As a similar protecting function the 1 ethoxyethyl ether formed by reaction of the alcohol with ethyl vinyl ether was introduced scheme 28.

Methods for vinyl ether synthesis david j. Young drive los angeles ca 90095 1569 usa. While vinyl ethyl ether can be produced by either 1 2 h or 1 2 ethoxy shift in the carbine both theoretical calculations and deuterium labeling experiments supported the 1 2 h route. Ethyl vinyl ether stabilized with koh 純度 試験方法.

Polymerization is typically initiated with lewis acids such as boron trifluoride. Ethyl vinyl ether is made by reaction of acetylene and ethanol in presence of a base. Allyl vinyl ethers are typically prepared by either mercury or acid catalyzed vinyl ether exchange with allylic alcohols or acid catalyzed vinylation of allylic alcohols with acetals 29 however yields in these reactions are often low and the use of mercury is not without concerns. Li synthesis 2008 3487 3488.

It displayed advantageous properties for the construction of oligonucleotides since it could be cleaved with 5 acetic acid without affecting the internucleotide bond. Sigma aldrich offers a number of ethyl vinyl ether products. Advanced search structure search cert of analysis. The alkene portion of the molecule is reactive in many ways.

It is prone to polymerization leading to formation of polyvinyl ethers. Download high res image 70kb.