Synthesis of tricyclic cephalosporins
- 1 January 1984
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 24,p. 1705-1706
- https://doi.org/10.1039/c39840001705
Abstract
Cephalosporin 3′-triphenylphosphonium ylide (1) reacted with acrylaldehyde to give the C-3,C-4 tricyclic compound (3), while the sulphoxide of the ylide (1) upon similar treatment gave the C-2,C-3 tricyclic compound (4) which was converted into the ring-fused analogue (7) of nocardicin; desulphurization of this compound afforded the nocardicin nucleus (10)Keywords
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