1.1
Reagents:
Thionyl chloride
Solvents:
Ethanol
;
0 °C; overnight, 0 °C → reflux; reflux → rt
1.2
Reagents:
Sodium hydroxide
Solvents:
Water
;
15 min, 0 °C
1.3
Reagents:
Nitric acid
Solvents:
Methanol
;
0 °C; 30 min, 0 °C

2851296953 


