| bis(5-methoxy-1-methylindol-3-yl)methylium ion |  | E Param.: -6.90 |    | J. Org. Chem. 2015, 80, 8643-8656 10.1021/acs.joc.5b01298
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| bis(1,2-dimethylindol-3-yl)methylium ion |  | E Param.: -10.23 |    | J. Org. Chem. 2015, 80, 8643-8656 10.1021/acs.joc.5b01298
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| ethyl 3-nitro-1H-indole-1-carboxylate |  | E Param.: -14.10 |   | Chem. Commun. 2021, 57, 10071-10074 10.1039/d1cc04074j
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| 3-nitro-1-tosyl-1H-indole |  | E Param.: -14.87 |    | Chem. Commun. 2021, 57, 10071-10074 10.1039/d1cc04074j
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| 4-bromo-3-nitro-1-tosyl-1H-indole |  | E Param.: -14.60 |   | Chem. Commun. 2021, 57, 10071-10074 10.1039/d1cc04074j
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| 3,6-dinitro-1-tosyl-1H-indole |  | E Param.: -12.90 |    | Chem. Commun. 2021, 57, 10071-10074 10.1039/d1cc04074j
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| 4-phenylbut-3-yn-2-one |  | E Param.: -16.90 |  | Angew. Chem. Int. Ed.  2019, 58, 17704-17708 10.1002/anie.201909803
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| hex-3-yn-2-one |  | E Param.: -17.90 |  | Angew. Chem. Int. Ed.  2019, 58, 17704-17708 10.1002/anie.201909803
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| butynone |  | E Param.: -16.60 |  | Angew. Chem. Int. Ed.  2019, 58, 17704-17708 10.1002/anie.201909803
 | 
| Umemoto I (triflate) |  | E Param.: -13.08 |    | Eur. J. Org. Chem. 2024, 27, e202400085 10.1002/ejoc.202400085
 | 
| Umemoto I (tetrafluoroborate) |  | E Param.: -13.39 |    | Eur. J. Org. Chem. 2024, 27, e202400085 10.1002/ejoc.202400085
 | 
| Umemoto II (triflate) |  | E Param.: -12.80 |    | Eur. J. Org. Chem. 2024, 27, e202400085 10.1002/ejoc.202400085
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| (E)-6-(4-nitrobenzylidene)benzo[d][1,3]dioxol-5(6H)-one |  | E Param.: -13.15 |    | Chem. Eur. J. 2025, 31, e202403785 10.1002/chem.202403785
 | 
| (E)-6-(4-(trifluoromethyl)benzylidene)benzo[d][1,3]dioxol-5(6H)-one |  | E Param.: -13.54 |    | Chem. Eur. J. 2025, 31, e202403785 10.1002/chem.202403785
 | 
| (E)-6-(3-fluorobenzylidene)benzo[d][1,3]dioxol-5(6H)-one |  | E Param.: -14.00 |    | Chem. Eur. J. 2025, 31, e202403785 10.1002/chem.202403785
 | 
| (E)-6-(4-chlorobenzylidene)benzo[d][1,3]dioxol-5(6H)-one |  | E Param.: -13.99 |    | Chem. Eur. J. 2025, 31, e202403785 10.1002/chem.202403785
 | 
| (E)-6-benzylidenebenzo[d][1,3]dioxol-5(6H)-one |  | E Param.: -14.47 |    | Chem. Eur. J. 2025, 31, e202403785 10.1002/chem.202403785
 | 
| (E)-6-(4-methylbenzylidene)benzo[d][1,3]dioxol-5(6H)-one |  | E Param.: -14.85 |    | Chem. Eur. J. 2025, 31, e202403785 10.1002/chem.202403785
 | 
| (E)-6-(4-methoxybenzylidene)benzo[d][1,3]dioxol-5(6H)-one |  | E Param.: -15.20 |    | Chem. Eur. J. 2025, 31, e202403785 10.1002/chem.202403785
 | 
| (E)-6-(4-(dimethylamino)benzylidene)benzo[d][1,3]dioxol-5(6H)-one |  | E Param.: -16.07 |    | Chem. Eur. J. 2025, 31, e202403785 10.1002/chem.202403785
 |