C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/104.1
C07D 501/36 (2006.01) C07D 311/22 (2006.01)
Patent
CA 1144157
Abstract of the disclosure: Novel cephalosporin compounds of the general formula: Image wherein R1 represents a substituted or unsubstituted nitrogen- containing heterocyclic-thio group, R2 represents hydrogen or hydroxy, and R3, R4 and R5 each represents hydrogen, hydroxy or acyloxy, and their salts, and processes for the preparation thereof. The novel compounds and their salts have antibacterial activity.
353756
Kanai Takeo
Katsu Kanemasa
Kitoh Kyosuke
Machida Yoshimasa
Nagasu Takeshi
Eisai Co. Ltd.
Marks & Clerk
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