Additions to cyclobutenes: synthesis of
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Donald H. Aue; Hisashi lwahashi; Dale F. Shellhamer
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Article
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1973
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Elsevier Science
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French
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As part of a study on additions to strained olefins and synthesis of strained nitrogen heterocycles, we have found that addition of methoxycsrbonylnitrene to 1,2dimethylcyclobutene, 2, and l-methylcyclobutene, 2, provides a convenient synthesis of the corresponding 5-azabicyclo[2.l.O]pentanes 2a and