Journal of Physical Organic Chemistry p. 721 - 730 (1995)
Update date:2022-08-11
Topics:
Moutou, G.
Taillades, J.
Benefice-Malouet, S.
Commeyras, A.
Messina, G.
Mansani, R.
The equilibrium constant, Kan(H2CO), for the formation of α-aminoacetonitrile from formaldehyde, ammonia and hydrogen cyanide was evaluated at 25 deg C.A first estimation of Kan(H2CO) was obtained from extrathermodynamic relationships of the type log K' vs Σ?*.The final value was then obtained from a comparison of the experimental and calculated pH dependences of α-hydroxy- and α-aminoacetonitrile concentrations.From these results, it appears that, after equilibrium, the ratio between the concentrations of the two precursors glycine and hydroxyethanoic acid, is a linear function of the concentration of free ammonia, i.e.
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