That Natural Product Chemist

Examples / Structure in view

See the structure.
Study how we know.

Examples keep a selected compound visible from the beginning and show what each technique contributes, why it was chosen, and how the evidence supports the interpretation.

01

worked example

Comparing two commercial ampicillin products by 1H NMR

A worked example showing how a single proton spectrum separates a clean ampicillin sodium salt from a less pure product — and why that difference matters when ampicillin is used as a selection marker.