Table 3.

Solvent parameters

Solvent	π*	β	α
Methanol	0.60	0.62	0.93
Ethanol	0.54	0.77	0.83
Propan-1-ol	0.52	0.83	0.78
Propan-2-ol	0.48	0.95	0.76
Butan-1-ol	0.47	0.88	0.79
Butan-2-ol	0.40	0.80	0.69
2-Methyl propan-2-ol	0.41	1.01	0.68
Ethane-1,2-diol	0.92	0.52	0.90
2-Propan-2-yloxypropane	0.27	0.49	0
Oxolane	0.58	0.55	0
Dimethyl sulfoxide	1.00	0.76	0
Methyl acetate	0.60	0.42	0
Ethyl acetate	0.55	0.45	0
N,N-Dimethyl- -formamide	0.88	0.69	0
N,N-Dimethyl- -acetamide	0.88	0.76	0