Topic
Methyl vinyl ketone
About: Methyl vinyl ketone is a research topic. Over the lifetime, 1510 publications have been published within this topic receiving 26839 citations. The topic is also known as: 3-buten-2-one & gamma-oxo-alpha-butylene.
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TL;DR: In this article, 3,5-Di-substituted 1,2-thiaphospholes were efficiently prepared by treating 2,9-dithia-1-phosphabicyclo[4.3.0]nona-3,7-diene 1-sulfides with n-Bu3P.
Abstract: 3,5-Di-substituted 1,2-thiaphospholes were efficiently prepared by treating 2,9-dithia-1-phosphabicyclo[4.3.0]nona-3,7-diene 1-sulfides with n-Bu3P. The thiaphospholes reacted thermally with norbornadiene, norbornene or diethyl azodicarboxylate to produce the 1 : 2 double Diels–Alder cycloadducts. With a mixture of norbornadiene and methyl acrylate or acrylonitrile, the crossed double Diels–Alder cycloadducts were obtained. In the presence of a Lewis acid, the thiaphospholes underwent, at the initial step, the Diels–Alder reaction with acrylic esters, methyl vinyl ketone or acrylonitrile, followed in tandem by the Michael addition of the 1 : 1 cycloadducts to another molecule of the reactant.
11 citations
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TL;DR: Condensation of enol ether with methyl vinyl ketone led easily to ketoaldehyde 7 whose cyclisation afforded the azaspiranic enone 8, a key intermediate for the synthesis of the title alkaloids as discussed by the authors.
11 citations
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TL;DR: Despite the bulkiness of the neopentyl group, the isopropyl group with an alpha-branch has a better stereoinducing effect.
11 citations
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TL;DR: A number of phosphonium tosylates have been investigated as solvents for the Diels-Alder reactions of cyclopentadiene with methyl vinyl ketone and methyl acrylate as mentioned in this paper.
Abstract: A number of phosphonium tosylates have been investigated as solvents for the Diels–Alder reactions of cyclopentadiene with methyl vinyl ketone and methyl acrylate.
11 citations
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TL;DR: In this paper, 1-Alkynyltrialkylborates readily available from trialkylbors and lithium acetylides react with methyl vinyl ketone in the presence of titanium tetrachloride followed by hydrogen peroxide oxidation under neutral conditions to give corresponding δ-diketones.
Abstract: 1-Alkynyltrialkylborates readily available from trialkylboranes and lithium acetylides react with methyl vinyl ketone in the presence of titanium tetrachloride followed by hydrogen peroxide oxidation under neutral conditions to give corresponding δ-diketones.
11 citations