Table 18.

Binding constants of amines to compounds 248a and 248b in ethyl acetate.

Amine	Keq (249a) [M−1]	Keq (249b) [M−1]
1-propylamine	195	210
1,2-diaminoethane	30000	5000
1,3-diaminopropane	26000	3500
1,4-diaminobutane	13000	700