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Cyclopropanone equivalents. Formation of 1-pyrrolizidione by a dicyclopropyl imine rearrangement. |
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| Authors: | Harry H. Wasserman Robert P. Dion |
| Affiliation: | Department of Chemistry, Yale University, New Haven, Connecticut 06511 U.S.A. |
| Abstract: | A dicyclopropyl ketimine may be formed by the addition of cyclopropyllithium to 1-cyano-1-piperidinocyclopropane. Rearrangement of the ketimine takes place under acid catalysis to form 1-pyrrolizidinone. |
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