1.1
Reagents:
Sodium hydride
Solvents:
Tetrahydrofuran
;
10 min, rt
1.2
rt → -10 °C; -10 °C → rt
1.3
Reagents:
Water
;
rt
1.4
Reagents:
Acetic acid
Solvents:
Water
;
< pH 7, rt