β-Lactam

A β-lactam (beta-lactam) ring is a four-membered lactam. (A lactam is a cyclic amide). It is named as such because the nitrogen atom is attached to the β-carbon atom relative to the carbonyl. The simplest β-lactam possible is 2-azetidinone.

单词	Beta lactams
释义	Beta lactams 原声例句科学60秒-科学美国人 2022年6月合集 Methicillin and penicillin belong to the so-called " beta lactam" family of antibiotics. 甲氧西林和青霉素都属于所谓的“β-内酰胺”抗生素族。科学60秒-科学美国人 2022年6月合集 " Staph aureus bacteria that carry these genes are therefore resistant to most beta lactam antibiotics." “因此，携带这些基因的金黄色葡萄球菌对大多数β-内酰胺抗生素有耐药性。” 英语百科 β-Lactam A β-lactam (beta-lactam) ring is a four-membered lactam. (A lactam is a cyclic amide). It is named as such because the nitrogen atom is attached to the β-carbon atom relative to the carbonyl. The simplest β-lactam possible is 2-azetidinone.
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Beta lactams

β-Lactam