Anagram & Information om | Engelska ordet KETENES

Exempel på hur man kan använda KETENES i en mening

• The Bellus–Claisen rearrangement is the reaction of allylic ethers, amines, and thioethers with ketenes to give γ,δ-unsaturated esters, amides, and thioesters.
• A variety of substituted 1,3-Cyclobutanediones form upon spontaneous dimerization of disubstituted ketenes.
• Ketene cycloadditions are the reactions of the pi system of ketenes with unsaturated compounds to provide four-membered or larger rings.
• Jacobsen at Harvard University and worked with then-graduate student Abigail Doyle to develop an enantioselective substitution of silyl ketenes onto an alkoxy chloride via an oxocarbenium ion using a novel thiourea organocatalyst.
• The most common synthesis for substituted alkylidene ketenes is via the thermolysis of an alkylidene derivative of Meldrum's acid.

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