Tetrahedron Letters p. 6687 - 6690 (1987)
Update date:2022-07-29
Topics:
Bremner, David H.
Ringan, Neil S.
Smith, Alistair D. M.
Addition of Michael acceptors to the C-4 position in ceph-3-ems followed by oxidation, de-esterification, and de-carboxylation results in the formation of new 4-monosubstituted ceph-3-ems; an unusually mild de-oxygenation process for ceph-2-em sulphoxides is also described.
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