Cephalosporins

The cephalosporins are a class of β-lactam antibiotics originally derived from the fungus Acremonium, which was previously known as Cephalosporium. Together with cephamycins, they constitute a subgroup of β-lactam antibiotics called cephems. See also Cephalosporin.

(β-lactam ring is in salmon) was a lead compound for the discovery and production of many other cephalosporins.

See also:

• Cephalosporin acylase
• Cephalosporin C deacetylase