Anderson TE, Chabuka BK, Alabugin IV, Thamattoor DM, Phillips DL. Generation and interception of bicyclo[3.2.1]oct-2-yne: an experimental and theoretical mechanistic study.
Chem Commun (Camb) 2024. [PMID:
39470010 DOI:
10.1039/d4cc03048f]
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Abstract
Bicyclo[3.2.1]oct-2-yne was generated from the Fritsch-Buttenberg-Wiechell rearrangement of 2-norbornylidene carbene. The rearrangement preferentially involves migration of a tertiary carbon over a secondary carbon, a trend that contrasts with rearrangements of acyclic carbenes and which may be attributable to hyperconjugative effects promoted by the bridged structure of the carbene.
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