Wagner–Meerwein type rearrangement in 5-oxohomoadamantane series

文献情報

出版日 2019-12-17

DOI 10.1039/C9OB02060H

インパクトファクター 3.876

著者

Ilya M. Tkachenko, Polina A. Mankova, Victor B. Rybakov, Evgeniy V. Golovin, Yuri N. Klimochkin

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要旨

Efficient methods for introducing various substituents into the α-position of ethyl 5-oxohomoadamantyl-4-carboxylate are reported. An unexpected acid-catalysed 1,2-alkyl shift in the series of synthesized α,α-bis-substituted 5-oxohomoadamantanes, and also in the hydroxy derivatives of homoadamantane was found. Such a retropinacol-like rearrangement leads to tetra- or pentacyclic mono- or bis-lactones containing a homoadamantane moiety. This new transformation opens access to the synthesis of previously unknown 2,4-di and 2,3,4-trisubstituted derivatives of homoadamantane. The resulting caged γ-butyro- and δ-valerolactones could be considered as potential synthetic or metabolic precursors of conformationally restricted GABA and δ-aminovaleric acid analogues.

掲載誌

Organic & Biomolecular Chemistry

CiteScore: 3.4

自己引用率: 10.3%

年間論文数: 1041

Organic & Biomolecular Chemistry (OBC) publishes original and high impact research and reviews in organic chemistry. We welcome research that shows new or significantly improved protocols or methodologies in total synthesis, synthetic methodology or physical and theoretical organic chemistry as well as research that shows a significant advance in the organic chemistry or molecular design aspects of chemical biology, catalysis, supramolecular and macromolecular chemistry, theoretical chemistry, mechanism-oriented physical organic chemistry, medicinal chemistry or natural products. Articles published in the journal should report new work which makes a highly-significant impact in the field. Routine and incremental work is generally not suitable for publication in the journal. More details about key areas of our scope are below. In all cases authors should include in their article clear rationale for why their research has been carried out.

Wagner–Meerwein type rearrangement in 5-oxohomoadamantane series

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