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Article
Parallel Kinetic Resolution Approach to the Cyathane and Cyanthiwigin Diterpenes Using a Cyclopropanation/Cope Rearrangement
Angewandte Chemie International Edition (2009)
  • Laura C. Miller, University of California - Berkeley
  • Mania J. Ndungu, University of California - Berkeley
  • Richmond Sarpong, University of California - Berkeley
Abstract

Stereodivergent parallel kinetic resolution of a racemic mixture of dienes using Davies' [Rh2{(S)-dosp}4] or [Rh2{(R)-dosp}4] catalysts promotes a tandem vinyl diazoacetate cyclopropanation/Cope rearrangement sequence to afford two diastereomeric, enantioenriched cycloheptadienes, which correspond to the natural antipodes of the title diterpenoids (see scheme).

Keywords
  • Diterpenes,
  • kinetic resolution,
  • natural products,
  • stereodivergent synthesis
Disciplines
Publication Date
2009
Publisher Statement
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Citation Information
Laura C. Miller, Mania J. Ndungu and Richmond Sarpong. "Parallel Kinetic Resolution Approach to the Cyathane and Cyanthiwigin Diterpenes Using a Cyclopropanation/Cope Rearrangement" Angewandte Chemie International Edition Vol. 48 Iss. 13 (2009)
Available at: http://works.bepress.com/laura_millerconrad/5/