1.1
Reagents:
PyBOP
Solvents:
Dimethylformamide
;
5 min, 0 °C
1.2
Reagents:
Diisopropylethylamine
,
Ammonium chloride
Solvents:
Dimethylformamide
;
30 min, 0 °C; 0 °C → rt; 16 h, rt
1.3
Reagents:
Sodium hydroxide
Solvents:
Water
;
pH 9