Sotorasib, also known as AMG-510, is an experimental KRAS inhibitor being investigated for the treatment of KRAS G12C mutant non-small cell lung cancer, colorectal cancer, and appendix cancer. It is used in adults to treat non-small cell lung cancer who have already been treated with at least one other cancer medicine. Sotorasib is given when the cancer has progressed or has spread to other parts of the body or when surgery is not an option.
Synthesis Analysis
In the development of Sotorasib, an axially chiral biaryl moiety proved a critical structural element in engaging a “cryptic” protein binding pocket and enhancing inhibitor potency. The decision to develop sotorasib as a single-atropisomer drug gave rise to a range of analytical and synthetic challenges. The synthetic challenge centered on the large-scale synthesis of an atropisomerically pure building block comprising the central azaquinazolinone and pyridine rings of sotorasib.
Chemical Reactions Analysis
Sotorasib demonstrated a 10-fold difference in potency due to restricted rotation about the axis of chirality, giving rise to configurationally stable atropisomers. The resolution process was subsequently refined to enable thermal recycling of the undesired atropisomer.
Physical And Chemical Properties Analysis
Sotorasib has a molecular formula of C30H30F2N6O3 and a molecular weight of 560.606. It should be stored at room temperature in a dry place.
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