| Me2C=C=N(+)Me2 |  | E Param.: -2.80 |  | Synthesis 2025, , eFirst 10.1055/a-2649-1999
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| Ph2C=C=N(+)Me2 |  | E Param.: -1.90 |  | Synthesis 2025, , eFirst 10.1055/a-2649-1999
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| indolecarboxylate derived iminium ion | dichloromethane | E Param.: -9.50 |   | Angew. Chem. Int. Ed. 2009, 48, 5034-5037 10.1002/anie.200900933
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| (S,E)-2,2,3-trimethyl-4-oxo-5-((perfluorophenyl)methyl)-1-((E)-3-phenylallylidene)imidazolidin-1-ium | dichloromethane | E Param.: -6.00 |   | Angew. Chem. Int. Ed. 2013, 52, 7967-7971 10.1002/anie.201301864
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| (S,E)-2,2,3-trimethyl-4-oxo-1-((E)-3-phenylallylidene)-5-(3,4,5-trimethoxybenzyl)imidazolidin-1-ium | dichloromethane | E Param.: -7.00 |   | Angew. Chem. Int. Ed. 2013, 52, 7967-7971 10.1002/anie.201301864
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| (S,E)-5-benzyl-2,2,3-trimethyl-1-((E)-3-(4-nitrophenyl)allylidene)-4-oxoimidazolidin-1-ium | dichloromethane | E Param.: -5.90 |   | Asian J. Org. Chem. 2014, 3, 550-555 10.1002/ajoc.201402009
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| (S,E)-5-benzyl-1-((E)-3-(4-cyanophenyl)allylidene)-2,2,3-trimethyl-4-oxoimidazolidin-1-ium | dichloromethane | E Param.: -6.00 |   | Asian J. Org. Chem. 2014, 3, 550-555 10.1002/ajoc.201402009
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| (S,E)-5-benzyl-1-((E)-3-(4-(dimethylamino)phenyl)allylidene)-2,2,3-trimethyl-4-oxoimidazolidin-1-ium | dichloromethane | E Param.: -10.60 |   | Asian J. Org. Chem. 2014, 3, 550-555 10.1002/ajoc.201402009
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| (S,E)-5-benzyl-2,2,3-trimethyl-4-oxo-1-((E)-3-(p-tolyl)allylidene)imidazolidin-1-ium | dichloromethane | E Param.: -7.20 |   | Asian J. Org. Chem. 2014, 3, 550-555 10.1002/ajoc.201402009
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| (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
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