Where do the atoms go?
Short stories from green chemistry: the painkillers, the decaf, the drugs and the solvents that got cleaner, and what it took to get there.
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The enzyme that replaced a rhodium catalyst
Sitagliptin is a type 2 diabetes drug, sold by Merck as Januvia. Making it involves a…
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Your decaf might have been made with fizzy-drink gas
The first commercial decaffeinated coffee came out of Germany in the early 1900s. Ludwig Roselius, a…
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How ibuprofen got cleaner: a lesson in atom economy
Chemists used to judge a reaction mostly by its yield. If you started with a mole…
