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- W2951736750 abstract "The asymmetric syntheses of all the known defense alkaloids of the ant Tetraponera sp. tetraponerines T-1 to T-8 have been accomplished in five or six steps with 20−45% overall yields. The synthesis involved in the cross-condensation of (R)-piperidin-2-ylacetaldehyde with 4-aminobutyraldehyde which upon quenching by cyanide ion gave a stable tricyclic amino nitrile 3 with both a high yield and complete diastereoselectivity. This amino nitrile is the common precursor of four tetraponerines. A similar synthesis using (R)-pyrrolidine-2-ylacetaldehyde provided the tricyclic amino nitrile 2 precursor of the four other tetraponerines." @default.
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- W2951736750 date "1996-01-01" @default.
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- W2951736750 title "Concise and Stereoselective Syntheses of the Eight Natural Ant Defense Alkaloids (+)-Tetraponerine-1 to (+)-Tetraponerine-8 According to the CN(<i>R</i>,<i>S</i>) Strategy" @default.
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- W2951736750 doi "https://doi.org/10.1021/jo960398a" @default.
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