Mayr's Database of Reactivity Parameters

Ylides

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Name Solvent Reactivity
Parameters
Classification Reference
(title or year)
Meldrum's acid iodonium ylide (in CH2Cl2)
*
dichloromethane

N  Param.: 4.36

sN Param.: 1.06
***J. Am. Chem. Soc. 2016, 138, 10304-10313
10.1021/jacs.6b05768
Dimedone iodonium ylide (in CH2Cl2)
*
dichloromethane

N  Param.: 6.18

sN Param.: 0.81
***J. Am. Chem. Soc. 2016, 138, 10304-10313
10.1021/jacs.6b05768
N,N-Dimethylbarbituric acid iodonium ylide (in CHCl2)
*
dichloromethane

N  Param.: 7.98

sN Param.: 0.71
***J. Am. Chem. Soc. 2016, 138, 10304-10313
10.1021/jacs.6b05768
6-methyl-3-(phenyl-l3-iodanylidene)dihydro-2H-pyran-2,4(3H)-dione (in CH2Cl2)
*
dichloromethane

N  Param.: 4.67

sN Param.: 0.92
***J. Am. Chem. Soc. 2016, 138, 10304-10313
10.1021/jacs.6b05768
Ph3P=CH-CHO (in MeCN)
C20H17OP*
MeCN

N  Param.: 9.09

sN Param.: 0.74
***J. Am. Chem. Soc. 2016, 138, 11272-11281
10.1021/jacs.6b06264
Ph3P=CH-C(O)Me (in MeCN)
C21H19OP*
MeCN

N  Param.: 10.27

sN Param.: 0.83
***J. Am. Chem. Soc. 2016, 138, 11272-11281
10.1021/jacs.6b06264
2-ethoxy-2-oxo-1-(pyridin-1-ium-1-yl)ethan-1-ide (in DMSO)
C9H12NO2*
DMSO

N  Param.: 26.71

sN Param.: 0.37
***J. Am. Chem. Soc. 2013, 135, 15216-15224
10.1021/ja407885h
2-(diethylamino)-2-oxo-1-(pyridin-1-ium-1-yl)ethan-1-ide (in DMSO)
C11H17N2O*
DMSO

N  Param.: 27.45

sN Param.: 0.38
***J. Am. Chem. Soc. 2013, 135, 15216-15224
10.1021/ja407885h
cyano(pyridin-1-ium-1-yl)methanide (in DMSO)
C7H7N2*
DMSO

N  Param.: 25.94

sN Param.: 0.42
***J. Am. Chem. Soc. 2013, 135, 15216-15224
10.1021/ja407885h
2-oxo-1-(pyridin-1-ium-1-yl)propan-1-ide (in DMSO)
C8H10NO*
DMSO

N  Param.: 20.24

sN Param.: 0.60
***J. Am. Chem. Soc. 2013, 135, 15216-15224
10.1021/ja407885h