Journal of the Chemical Society. Chemical communications p. 1705 - 1706 (1984)
Update date:2022-08-04
Topics:
Hatanaka, Minoru
Yamamoto, Yuichi
Ishimaru, Toshiyasu
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 nocardin; desulphurization of this compound afforded the nocardicin nucleus (10).
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(1961)
