Reaction of 1-(het)aryl-3-bromoprop-2-ynones with furans in solid metal oxides or salts: cross-coupling or cycloaddition?

Denis N. Tomilin; Lyubov N. Sobenina; Maxim D. Gotsko; Igor A. Ushakov; Boris A. Trofimov

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Reaction of 1-(het)aryl-3-bromoprop-2-ynones with furans in solid metal oxides or salts: cross-coupling or cycloaddition?

机译：1-（HET）芳基-3-溴丙醇-2- ynones在固体金属氧化物或盐中的呋喃的反应：交叉偶联或环加成？

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1-(Het)aryl-3-bromoprop-2-ynones react with 2-(2-furyl)pyrrole in the Al2O3or K2CO3dispersion (room temperature, 1 h) to afford the cross-coupling products either at the furan or pyrrole rings. Furan and 2-methylfuran with 3-bromo-1-phenylprop-2-ynone under the same conditions give the Diels–Alder cycloadducts, while furan-2-carbaldehyde andits acetals are inactive.

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显示省略 1-（het）芳基-3-溴丙醇-2- ynones与2-（2- Al 2 O 3 或K 2> 2 CO 3 分散（室温，1小时），可以在呋喃或吡咯环处提供交叉耦合产品。呋喃和2-甲基呋喃与3-溴-1-苯基丙戊二醇-2-炔酮，在相同条件下给予Diels-Alder环绕体，而Furan-2-碳醛和缩醛是无活性的。 ]]>

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《Mendeleev Communications》 |2018年第1期|共2页
作者
Denis N. Tomilin; Lyubov N. Sobenina; Maxim D. Gotsko; Igor A. Ushakov; Boris A. Trofimov;
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A. E. Favorsky Irkutsk Institute of Chemistry Siberian Branch of the Russian Academy of Sciences;

A. E. Favorsky Irkutsk Institute of Chemistry Siberian Branch of the Russian Academy of Sciences;

A. E. Favorsky Irkutsk Institute of Chemistry Siberian Branch of the Russian Academy of Sciences;

A. E. Favorsky Irkutsk Institute of Chemistry Siberian Branch of the Russian Academy of Sciences;

A. E. Favorsky Irkutsk Institute of Chemistry Siberian Branch of the Russian Academy of Sciences;

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机译：1-（HET）芳基-3-溴丙醇-2- ynones在固体金属氧化物或盐中的呋喃的反应：交叉偶联或环加成？
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Reaction of 1-(het)aryl-3-bromoprop-2-ynones with furans in solid metal oxides or salts: cross-coupling or cycloaddition?

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