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This review continues our interest in the intriguing reports of a variety of new racemic natural products (at least 11 in the past 4 years). These include the polyphenolic racemate galewone, the polycyclic prenylated acylphloroglucinol garcinielliptone; variecolortide, a combination of an anthraquinone and a isochinulin‐type alkaloid; the isoindoline alkaloid irpexine, the new hybrid phenylproanoid...
In this brief review on Koji Nakanishi's remarkable career in natural products chemistry, we have highlighted a number of his accomplishments that illustrate the broad diversity of his interests. These include the isolation, structure determination, and biological mechanism of action of many natural products including the triterpenoid pristimerin; the diterpenoid ginkgolides; insect and crustacean...
Racemic natural products are rarely produced in plants and microorganisms and are thought to be the result of nonenzymatic, spontaneous reactions. These compounds are often highly complex with multiple contiguous chiral centers that present a challenge to organic synthesis. Formation of these racemates often occurs by cyclization reactions that can generate multiple stereocenters from achiral precursors...
Reviewed here are some recent examples of medically important protein targets for which stereoselective drugs have been identified. These include heat shock protein 90 (Hsp90) inhibitors as anticancer agents; transient receptor potential vanilloid type 1 antagonists as new analgesics; stereospecific inhibition of human mutT homolog MTH1 for cancer treatment; the stereoselective binding of R‐ and S‐propranolol...
Selected examples of natural product and drug atropisomers that exhibit stereoselectivity towards receptor and enzyme targets are reviewed. The atropisomeric preference of the receptors and enzyme binding domains makes these agents attractive molecules for drug development in the treatment of various diseases. Included are commonly recognized atropisomers containing a chiral biaryl axis along with...
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