Electrophiles
	
    
    
        | Name | Solvent | Reactivity Parameters
 | Classification | Reference (title or
           year)
 | 
    
| (4-MeO,4-Me)-tritylium ion |  | E Param.: -2.13 |  | J. Am. Chem. Soc. 2003, 125, 286-295 10.1021/ja021010y
 | 
| (4-MeO)2-tritylium ion |  | E Param.: -3.04 |  | J. Am. Chem. Soc. 2003, 125, 286-295 10.1021/ja021010y
 | 
| (4-MeO)3-tritylium ion |  | E Param.: -4.35 |  | J. Am. Chem. Soc. 2003, 125, 286-295 10.1021/ja021010y
 | 
| (4-NMe2)-tritylium ion |  | E Param.: -7.93 |  | J. Am. Chem. Soc. 2003, 125, 286-295 10.1021/ja021010y
 | 
| (4-NMe2)2-tritylium ion (= Malachite green) |  | E Param.: -10.29 |  | J. Am. Chem. Soc. 2003, 125, 286-295 10.1021/ja021010y
 | 
| (4-NMe2)3-tritylium ion (= Crystal violet) |  | E Param.: -11.26 |  | J. Am. Chem. Soc. 2003, 125, 286-295 10.1021/ja021010y
 | 
| 1,3,5-trinitrobenzene |  | E Param.: -13.19 |    | J. Org. Chem. 2005, 70, 6242-6253 10.1021/jo0505526
 | 
| 6-nitro-tetrazolo[1,5a]pyridine |  | E Param.: -9.05 |    | J. Org. Chem. 2005, 70, 6242-6253 10.1021/jo0505526
 | 
| dicarbonyl(cyclopentadienyl)propene-iron(II) |  | E Param.: -11.20 |    | Helv. Chim. Acta 2005, 88, 1754-1768 10.1002/hlca.200590137
 | 
| 4-nitro-6-(trifluoromethylsulfonyl)benzofuroxan |  | E Param.: -4.91 |    | J. Org. Chem. 2005, 70, 6242-6253 10.1021/jo0505526
 |