Synthesis of 7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylates: the olivanic acid ring system
- 1 January 1979
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 5,p. 236-237
- https://doi.org/10.1039/c39790000236
Abstract
The β-lactams prepared from penta-1,4-diene and cyclohexa-1,4-diene by reaction with chlorosulphonyl isocyanate can be readily converted into the 7-oxo-1-azabicyclo[3.2.0]hept-2-ene ring system, using an intramolecular Witting reaction to form the 2,3-double bond.Keywords
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