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Priority claimed from DE200410025071external-prioritypatent/DE102004025071B4/en
Priority claimed from DE102005010770Aexternal-prioritypatent/DE102005010770A1/en
Application filed by Sanofo Aventis Deutschland GmbfiledCriticalSanofo Aventis Deutschland Gmb
Priority claimed from EP05747892Aexternal-prioritypatent/EP1756049B1/en
Publication of SI1756049T1publicationCriticalpatent/SI1756049T1/en
Producing 1,4-diphenylazetidinone derivatives useful as cholesterol resorption inhibitors from protected beta-substituted amino amides comprises using a quaternary phosphonium salt catalyst