Antibiotic ps-5 and derivatives having beta-lactamase...

Details Antibiotic ps-5 and derivatives having beta-lactamase... Antibiotic ps-5 and derivatives having beta-lactamase...

C - Chemistry, Metallurgy

12

P

260/299, 195/96,

C12P 17/10 (2006.01) C07D 477/20 (2006.01) C07D 487/00 (2006.01)

Patent

CA 1123767

ABSTRACT OF THE DISCLOSURE The invention provides a novel antibiotic substance and derivatives thereof, having strong antibiotic activity and .beta.-lactamase inhibiting effect and a method for producing the same by aerobic cultivation of Streptomyces A271. The novel antibiotic has the formula Image wherein R1 represents hydrogen, lower alkyl or triphenylmethyl.

300097

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