(S,E)-5-((1H-indol-3-yl)methyl)-2,2,3-trimethyl-4-oxo-1-((E)-3-phenylallylidene)imidazolidin-1-ium |
dichloromethane | E Param.: -7.30 | | Asian J. Org. Chem. 2014, 3, 550-555 10.1002/ajoc.201402009 |
MacMillan-iminium ion (1st generation) |
MeCN | E Param.: -7.37 | | Angew. Chem. Int. Ed. 2011, 50, 9953-9956 10.1002/anie.201103683 |
diarylallylium ion (4-NMe2)2 |
| E Param.: -7.50 | | J. Org. Chem. 2011, 76, 9391-9408 10.1021/jo201668w |
MacMillan-iminium ion (spiro) |
MeCN | E Param.: -7.67 | | Angew. Chem. Int. Ed. 2011, 50, 9953-9956 10.1002/anie.201103683 |
(pyr)2CH+ |
| E Param.: -7.69 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |
1-methyl-3-((julolidin-9-yl)methylene)-3H-indol-1-ium ion |
| E Param.: -7.79 | | J. Org. Chem. 2015, 80, 8643-8656 10.1021/acs.joc.5b01298 |
(4-NMe2)-tritylium ion |
| E Param.: -7.93 | | J. Am. Chem. Soc. 2003, 125, 286-295 10.1021/ja021010y |
(S,E)-5-benzyl-1-((E)-3-(4-methoxyphenyl)allylidene)-2,2,3-trimethyl-4-oxoimidazolidin-1-ium |
dichloromethane | E Param.: -8.00 | | Asian J. Org. Chem. 2014, 3, 550-555 10.1002/ajoc.201402009 |
Jorgensen/Hayashi-iminium ion |
| E Param.: -8.20 | | Angew. Chem. Int. Ed. 2008, 47, 8723-8726 10.1002/anie.200802889 |
(thq)2CH+ |
| E Param.: -8.22 | | J. Am. Chem. Soc. 2001, 123, 9500-9512 10.1021/ja010890y |