Fast Racemisation of Chiral Amines and Alcohols by Using Cationic Half??Sandwich Ruthena??and Iridacycle Catalysts
T Jerphagnon, AJA Gayet, F Berthiol…
Index: Jerphagnon, Thomas; Gayet, Arnaud J.A.; Berthiol, Florian; Ritleng, Vincent; Mrsic, Natasa; Meetsma, Auke; Pfeffer, Michel; Minnaard, Adriaan J.; Feringa, Ben L.; De Vries, Johannes G. Chemistry - A European Journal, 2009 , vol. 15, # 46 p. 12780 - 12790
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Citation Number: 42
Abstract
Abstract The lipase-catalysed resolution of alcohols and amines yields only 50% of the desired enantiopure product. However, addition of a racemisation catalyst leads to 100% yield in what is called a dynamic kinetic resolution (DKR). There is a need for new racemisation catalysts that are fast and compatible with the conditions of the enzymatic reaction. We show that cationic half-sandwich ruthena-and iridacycle complexes are ...
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