C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/111, 260/118
C07D 499/00 (2006.01)
Patent
CA 1297870
Abstract of the disclosure : The present invention provides a process for preparing a penicillanic acid derivative of the formula Image (II) which comprises reacting lead with a halogenated penicillanic acid derivative of the formula Image (I) wherein X, Y, Z and R' are defined in the specification. The reaction is conducted more advantageously in the presence of a metal having higher ionization tendency than lead.
576581
Kase Kenji
Kawahara Ichiro
Matsumura Kiyotoshi
Nakai Akira
Sasaoka Michio
Kase Kenji
Kawahara Ichiro
Marks & Clerk
Matsumura Kiyotoshi
Nakai Akira
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