Aldoximes are readily dehydrated to nitriles with Raney nickel in refluxing 2-propanol. ... Aldoximes are readily dehydrated to nitriles with Raney nickel in refluxing 2-propanol. ... Raney nickel is a well-known heterogeneous catalyst for effecting functional group transformations, particularly hydrogenation reactions. [ 1-3 View all references ] We and others have employed Raney nickel in catalytic transfer hydrogenations (CTH) using 2-propanol as a hydrogen donor to ...