Table 4 Predicted reaction conditions for the aza-Diels-Alder reaction illustrated in Fig. 6A
Rank | Reagent(s) | Solvent(s) | Temperature (\(^{\circ }{} {\textbf {C}}\)) |
|---|---|---|---|
1(\(\checkmark \)) | Magnesium bromide | Dichloromethane | 19.3 |
2 | Yttrium(III) trifluoromethanesulfonate | Acetonitrile | 21.9 |
3 | Magnesium bromide | Acetonitrile; dichloromethane | 18.5 |
4 | Yttrium(III) trifluoromethanesulfonate | Dichloromethane | 20.3 |
5 | Magnesium bromide | Dichloromethane | 21.0 |
6 | Magnesium bromide | Acetonitrile | 19.2 |
7 | Magnesium bromide; yttrium(III) trifluoromethanesulfonate | Acetonitrile | 22.3 |
8 | Yttrium(III) trifluoromethanesulfonate | Acetonitrile; dichloromethane | 20.4 |
9 | Magnesium bromide; yttrium(III) trifluoromethanesulfonate | Acetonitrile; dichloromethane | 21.0 |