1.1
Reagents:
Cesium carbonate
Solvents:
Dimethylformamide
;
14 h, rt
1.2
Reagents:
Sodium hydroxide
Solvents:
Ethanol
,
1,2-Dimethoxyethane
,
Water
;
rt - 50 °C
1.3
Reagents:
Hydrochloric acid
Solvents:
Water
;
acidified

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