Synthesis of 1,5-disubstituted (E)-pent-2-en-4-yn-1-ones
摘要：
The condensation of 3-arylpropynals with aryl methyl ketones in the presence of sodium hydroxide in 50% aqueous ethanol at 0A degrees C (Claisen-Schmidt reaction) afforded up to 89% of the corresponding (E)-1,5-diarylpent-2-en-4-yn-1-ones. The E configuration of the double C=C bond and cis conformation of the enone fragment in the products in crystal and CDCl3 solution were determined by X-ray analysis and H-1 NMR spectroscopy.
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关键词：
2-FURYL)CARBENE COMPLEXES CATALYTIC CYCLOPROPANATION CONJUGATE ADDITION CARBONYL-COMPOUNDS ALKENES 1-BENZOYL-CIS-1-BUTEN-3-YNE TANDEM
DOI：
10.1134/S1070428013090030
被引量：
年份：
2013
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