1.1
Reagents:
Trifluoroacetic acid
;
0 °C; 0 °C → 23 °C; 1 h, 23 °C
1.2
Solvents:
Acetic acid
;
23 °C → 5 °C
1.3
Reagents:
Sodium acetate
,
Sodium nitrite
,
Sodium chloride
Solvents:
Water
;
15 min, < 7 °C
1.4
Solvents:
Water
;
5 min, cooled


2195228001