Antibiotics and derivatives thereof having .beta.-lactamase...

Details Antibiotics and derivatives thereof having .beta.-lactamase... Antibiotics and derivatives thereof having .beta.-lactamase...

C - Chemistry, Metallurgy

12

P

260/299, 195/96,

C12P 17/10 (2006.01) C07D 477/20 (2006.01) C07D 487/04 (2006.01)

Patent

CA 1113872

Abstract of the Disclosure A novel antibiotic substance of the formula Image (I) wherein R1 is CH3 and R2 is -CH2-CH2- or R1 is H and R2 is -CH-CH; and R3 represents hydrogen, lower alkyl or triphenylmethyl, and including the salts of the compound of formula (I) wherein R3 is hydrogen, said antibiotic substance having strong antibiotic activity and .beta.-lactamame inhibiting effect, and a method for producing the same by aerobic cultivation of Streotomyces A271.

313287

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