Aztreonam. (The square is the beta-lactam. There is a second thiazole ring, but it is not fused to the beta-lactam ring)

Tigemonam

Monobactams are beta-lactam compounds wherein the beta-lactam ring is alone and not fused to another ring (in contrast to most other beta-lactams, which have at least two rings). They work only against Gram-negative bacteria.^{[citation needed]}

The only commercially available monobactam antibiotic is aztreonam.

Other examples of monobactams are tigemonam,^[1] nocardicin A, and tabtoxin.

[edit] References

[edit] External links

• MeSH Monobactams

This antibiotic-related article is a stub. You can help Wikipedia by expanding it. v • d • e