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April 27, 2011
Off the Beaten Track. Way, Way, Off.
Now here's a structure that you don't see every day. A company called RadioRx is developing compounds as radiotherapy sensitizers for oncology, designed to release reactive free radicals and intensify the cell-killing effects of ionizing radiation. And these compounds are not from the usual sources. As they put it:
In collaboration with a major defense contractor, RadioRx is developing its first lead candidate, RRx-001, a best-in-class small molecule, adapted from an energetic solid rocket propellant. The development candidate is scheduled to enter first-in-man phase 1 clinical studies by Q1 2011.
I've been forwarded a report that this is the structure of their compound, which would make their defense-contractor partner Thiokol (the assignee where that compound appears in the patent literature). (Here's one of RadioRx's own patents in this area). And I truly have to salute these guys for going forward with such an out-there structure. Can anyone doubt that this is the first gem-dinitroazetidine to reach the clinic? And with a bromoamide on the other end of it, yet?
It's easy to look at something like this and mutter "Only in oncology", but at the same time, it takes some nerve and imagination to go forward with compounds this odd. I hope that they work - and I hope that everyone else looks at their own chemical matter and decides that hey, maybe there's more to life than Suzuki couplings and benzo-fused heterocycles.
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