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Table 2 Cyanation of aldehydes via solventless TiO2@CuO@Chromite NCs-catalyzed reaction

From: Rapid ecosynthesis of TiO2@CuO@Chromite nanocatalyst for environmentally friendly applications: solventless cyanation of aldehydes and high efficient treatment of sewage waters

EntrySubstrateProductTime (min)Yield (%)aTON
1C6H5CHOC6H5CN25961920
24-MeC6H4CHO4-MeC6H4CN30951900
34-MeOC6H4CHO4-MeOC6H4CN30951900
42-MeC6H4CHO2-MeC6H4CN30931860
52-MeOC6H4CHO2-MeOC6H4CN30951900
64-FC6H4CHO4-FC6H4CN45881760
74-ClC6H4CHO4-ClC6H4CN45901800
84-OHC6H4CHO4-OHC6H4CN50921840
94-CHOC5H4N4-CNC5H4N45881760
103-CHOC5H4N4-CNC5H4N45851700
111,4-(CHO)2C6H41,4-(CN)2C6H455861720
  1. Reactions were performed on a 1.0-mmol scale with aldehyde (1.0 mmol), TiO2@CuO@Chromite NCs (5.0 mol %), K4Fe(CN)6 (1.0 mmol) in solventless system at room temperature
  2. aIsolated yield