Environmental Sciences Europe

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

Entry	Substrate	Product	Time (min)	Yield (%)^a	TON
1	C₆H₅CHO	C₆H₅CN	25	96	1920
2	4-MeC₆H₄CHO	4-MeC₆H₄CN	30	95	1900
3	4-MeOC₆H₄CHO	4-MeOC₆H₄CN	30	95	1900
4	2-MeC₆H₄CHO	2-MeC₆H₄CN	30	93	1860
5	2-MeOC₆H₄CHO	2-MeOC₆H₄CN	30	95	1900
6	4-FC₆H₄CHO	4-FC₆H₄CN	45	88	1760
7	4-ClC₆H₄CHO	4-ClC₆H₄CN	45	90	1800
8	4-OHC₆H₄CHO	4-OHC₆H₄CN	50	92	1840
9	4-CHOC₅H₄N	4-CNC₅H₄N	45	88	1760
10	3-CHOC₅H₄N	4-CNC₅H₄N	45	85	1700
11	1,4-(CHO)₂C₆H₄	1,4-(CN)₂C₆H₄	55	86	1720

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
^aIsolated yield

Back to article page