B84
Reaction:
(H2N)2C=S + Mu ®
(H2N)2C(SMu)
Type
of reaction: addition to C=S with Mu added to S atom
a)
Barnabas, M.V., Venkateswaran, K. and Walker, D.C. Can. J. Chem., 1989,
67, 120.
kM
= 5 x 107 dm3mol-1s-1 at
pH = 7.0
b)
Barnabas, M.V. and Walker, D.C. Can. J. Chem., 1991, 69,
1252.
kM
= 2 x 109 dm3mol-1s-1
at
pH = 1.0
(strong influence of pH)
KIE
= kM / kH = 5 x 107 / 6 x 109 =
0.008
at pH = 7.0
KIE
= kM / kH = 2 x 109 / 6 x 109 =
0.33
at pH = 1.0
kH
= 6 x 109 dm3mol-1s-1
from:
www.rcdc.nd.edu/compilations/HAtom/H.htm
Muonium
reactions in the micellar systems
kM
»
8 x 108 dm3mol-1s-1 in the CTAB
micelles
kM
»
5.6 x 107 dm3mol-1s-1 in the SOS
micelles
from: Barnabas, M.V. and Walker, D.C., Can. J. Chem.
1999, 69, 1252.