C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/100
C07D 501/04 (2006.01) C07D 501/00 (2006.01)
Patent
CA 2037688
ABSTRACT OF THE DISCLOSURE Cephalosporin intermediates having a replacable organosulfonlyoxy or heterocyclothio group in the 3-position undergo a carbon alkylation process with organocopper reagents to provide 3-hydrocarbon substituted cephalosporin antibiotics.
Kant Joydeep
Sapino Chester Jr.
Bristol-Myers Squibb Company
Gowling Lafleur Henderson Llp
LandOfFree
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