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Allyl alcohol is converted mainly to glycidol, which is a chemical intermediate in the synthesis of glycerol, glycidyl ethers, esters, and amines. Also, a variety of polymerizable esters are prepared from allyl alcohol, e.g. diallyl phthalate. [5] Allyl alcohol has herbicidal activity and can be used as a weed eradicant [9]) and fungicide. [8]
In 1844, Theodor Wertheim isolated an allyl derivative from garlic oil and named it "Schwefelallyl ". [3] [4] The term allyl applies to many compounds related to H 2 C=CH−CH 2, some of which are of practical or of everyday importance, for example, allyl chloride. Allylation is any chemical reaction that adds an allyl group to a substrate. [1]
An allylic rearrangement or allylic shift is an organic chemical reaction in which reaction at a center vicinal to a double bond causes the double bond to shift to an adjacent pair of atoms: It is encountered in both nucleophilic and electrophilic substitution , although it is usually suppressed relative to non-allylic substitution.
Katakana: ヒヒイロカネ or kanji: 緋々色金 It is a red-orange fantasy metal that is common in Japanese fiction. Hyperium: Giants: One of three stable transuranic elements predicted by the new science of nucleonics in James P. Hogan's Giants series. Not naturally occurring outside of neutron stars, but trace amounts are created in the ...
Many works of fiction have incorporated into their world the existence of beverages or drinks – liquids made for popular consumption – which may create a sense of the world in which the story takes place, and in some cases may serve to advance the plot of the story.
If Y is sulfur, the product can be treated with a thiophil to generate an allylic alcohol in what is known as the Mislow–Evans rearrangement. A [2,3]-rearrangement may result in carbon-carbon bond formation. It can also be used as a ring-expansion reaction. [2]
Allylic alcohols can be formed from β-hydroxy phenyl sulfoxides that contain a β’-hydrogen through an E i mechanism, tending to give the β,γ-unsaturation. [ 11 ] 1,3-Dienes were found to be formed upon the treatment of an allylic alcohol with an aryl sulfide in the presence of triethylamine . [ 12 ]
For example, reaction between sterically hindered t-butyl acrylate and benzaldehyde with catalytic DABCO in the absence of solvent required 4 weeks to give moderate conversion to the final product. In aprotic solvents, the reaction rate is even slower, although recovery is possible with protic additives (e.g. alcohols and carboxylic acids). [15]