C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/101, 260/271
C07D 463/00 (2006.01) B01J 19/12 (2006.01) C07D 501/18 (2006.01) C07D 505/00 (2006.01)
Patent
CA 2005166
X-7741 Abstract A process for photochemically converting 3-exomethylene cephams (or 1-carba(1-dethia)cephams or 1-oxa(1-dethia)cephams) from the corresponding 3-alkyl- 3-cephem (or 1-carba(1-dethia)cephem or 1-oxa(1- dethia)cephem) is provided. Further provided are 3-cephams useful as intermediates to 3-cephem compounds.
Hertel Larry W.
Morin John M. Jr.
Vasileff Robert T.
Eli Lilly And Company
Gowling Lafleur Henderson Llp
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