Synthesis of cyclic dienamide using ruthenium-catalyzed ring-closing metathesis of ene-ynamide |
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Authors: | Saito Nozomi Sato Yukako Mori Miwako |
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Institution: | Graduate School of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan. |
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Abstract: | reaction: see text] Ring-closing metathesis of ene-ynamide using the second-generation Grubbs' catalyst produced nitrogen-containing heterocycles, which have dienamide moieties, in high yields. Diels-Alder reaction of the cyclized product and dienophile proceeded smoothly to afford a bi- or tricyclic compound. |
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