Intramolecular ene reaction of a chiral bicyclic lactam |
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Authors: | Resek James E |
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Institution: | Department of Chemistry, Colorado State University, Fort Collins, Colorado 80503, USA. resek_j@ricerca.com |
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Abstract: | The preparation of bicylic lactam 2 is described, employing an acetoacetate-based synthesis of 1,4-ketoacid 3. The lactam 2 was shown to undergo a thermal ene reaction at 280-300 degrees C to afford tricycle 7. Reduction of the ene product followed by removal of the chiral auxiliary fragment provided the unusual lactam system 9 in highly enantioenriched form. |
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