1.1
Reagents:
Sodium hydroxide
Solvents:
Water
;
rt
1.2
Solvents:
Tetrahydrofuran
,
Water
;
cooled; 2 h, pH 7.5 - 8.5, 0 °C; 24 h, pH 7.5 - 8.5, rt
1.3
Reagents:
Hydrochloric acid
Solvents:
Water
;
pH 2


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