The Journal of Antibiotics
Online ISSN : 1881-1469
Print ISSN : 0021-8820
ISSN-L : 0021-8820
SYNTHESIS OF 6-AMINOPENICILLANIC ACID DERIVATIVES. III1)
6-(3-SUBSTITUTED-SYDNONE-4-CARBOXAMIDO)-PENICILLANATES
TAKAYUKI NAITO, SUSUMU NAKAGAWA, KIYOSHI TAKAHASHI, KENJI MASUKO, KEI-ICHI FUJISAWA, HIROSHI KAWAGUCHI
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1968 Volume 21 Issue 4 Pages 290-299

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Abstract
The preparation and properties of a new series of penicillins, 6-(3-substi tuted sydnone-4-carboxamido)penicillanates, are described. Those of the new penicillins having an aryl group at 3-position of sydnone ring showed activity against a penicillinase-producing organism. These penicillins are, however, not very resistant to penicillinase when compared with oxacillin.
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© Japan Antibiotics Research Association
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The Journal of Antibiotics, Series A

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