英语词汇“penicillanic”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	penicillanic
释义	penicillanic, a. Chem.\|pɛnɪsɪˈlænɪk\| [f. as prec. + -an- + -ic.] *penicillanic acid: an acid, C₈H₁₁NO₂S, whose molecular structure is the nucleus of the various penicillins and consists of a β-lactam ring fused to a molecule of 5,5-dimethylthiazolidine-4-carboxylic acid. 1953J. C. Sheehan et al.* in Jrnl. Amer. Chem. Soc. LXXV. 3293 By a cyclization procedure we have synthesized a β-lactamthiazolidine (VI)... We have chosen to call this compound methyl phthalimidopenicillanate. [Note] As a convenience in naming VI and similar analogs of the penicillins we suggest the terms ‘penam’ and ‘penicillanic acid’ for the following ring system and substituted ring system.1959Times 27 Oct. 6/7 The new penicillin, which is the potassium salt of 6-(-α-phenoxypropionamido) penicillanic acid, has the same range of antibacterial activity as previous penicillins.1969Adv. Appl. Microbiol. XI. 26 (heading) Antistaphylococcal activity of 6-substituted penicillanic acid derivatives.
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