1.1 Reagents: Triethylamine Solvents: Tetrahydrofuran ;  0 °C; 12 h, 22 °C
1.2 Solvents: Dichloromethane ;  12 h, 50 °C; 50 °C → 22 °C
1.3 Reagents: Lithium aluminum hydride Solvents: Tetrahydrofuran ;  0 °C; 30 min, 0 °C; 14 h, 80 °C; 80 °C → 22 °C
1.4 Reagents: Potassium sodium tartrate Solvents: Water ;  cooled; 4 h, 22 °C
1.5 Reagents: Hydrochloric acid Solvents: Diethyl ether ,  Methanol ;  30 min, 0 °C
1.6 Solvents: Toluene ;  14 h, 90 °C; 90 °C → 22 °C
1.7 Reagents: Potassium hexafluorophosphate Solvents: Water ;  2 h, 22 °C