CHELATE-CONTROLLED DIASTEREOSELECTIVE HYDROGENATION WITH HETEROGENEOUS CATALYST

A hydrogenation catalyst, preferably palladium on a support, preferably alumina or activated charcoal support, is used in the presence of lithium salts, with salts such as the borates being preferred. This provides hydrogenation of precursors to give rise to a stereoselective, such as diastereoselec...

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Hauptverfasser: SUTTON, Howard Winston Tyrrell, ROGAN, Yulia, GIBBINGS, Matthew Richard, HUTCHINGS, Lian, ANDERSON, Craig, GRANT, Simon Jonathon, GAMBOA MARTINEZ, Sergio Aaron, DUNN, David, DALY, John Ing Chuan, RIBIERE, Patrice Georges Antonin
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A hydrogenation catalyst, preferably palladium on a support, preferably alumina or activated charcoal support, is used in the presence of lithium salts, with salts such as the borates being preferred. This provides hydrogenation of precursors to give rise to a stereoselective, such as diastereoselective bias in the product of alkene hydrogenation using the catalyst.