C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/101, 260/108
C07D 499/42 (2006.01) C07D 499/00 (2006.01) C07D 501/18 (2006.01)
Patent
CA 1059117
ABSTRACT A derivative of 6-aminopenicillanic acid or 7-amino- cephalosporanic acid is produced by a process which comprises chlorinating or brominating a 6-thioacylaminopenicillanic acid or 7-thioacylaminocephalosporanic acid compound to obtain a corresponding iminothiohalide compound, and then solvolyzing the iminothiohrlide compound. The process is novel and industrially feasible one for production of the amino compound, which is not accompanied with "reconversion reaction".
216195
Matsumoto Norichika
Numata Mitsuo
Tsushima Susumu
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