Organic Solutes in Aqueous Solutions

B86

B90

Valine

Barnabas, M.V. and Walker, D.C.

Can. J. Chem., 1991, 69, 1252.

Reaction: (CH3)2CH-C(H)(NH2)-C(=O)OH + Mu ® MuH + ?

Type of reaction: H abstraction proposed

kM = 5 x 106 dm3mol-1s-1   

KIE = kM / kH = 5 x 106 / 1.2 x 107 = 0.4

kH = 1.2 x 107 dm3mol-1s-1  pH = 7.0   from: www.rcdc.nd.edu/compilations/HAtom/H.htm

 

Muonium reactions in the micellar systems

kM » 108 dm3mol-1s-1 in the CTAB micelles

kM » 5 x 107 dm3mol-1s-1 in the SOS micelles

from: Barnabas, M.V. and Walker, D.C., Can. J. Chem. 1999, 69, 1252.


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