SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
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Aleksei Yevgrafovich Favorsky (1860-1945), Russian-Soviet chemist. Favorsky was born at Pavlovo and studied at Saint Petersburg. He is best known for two reactions. The Favorsky rearrangement is a reaction of cyclopropanones with a base that results in the contraction of the cyclic ring from six to five carbon atoms. The Favorsky reaction involves treating an alkyne with an organic hydroxide or alkoxide to form a propargyl alcohol. From 1897 Favorsky worked in the inorganics department at Saint Petersburg University. His work helped in the development of a synthetic rubber compound, for which he was awarded the Stalin Prize in 1941.
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