1.1
Reagents:
Borax (B4Na2O7.10H2O)
Solvents:
Water
;
1 h, rt
1.2
Reagents:
Sodium hydroxide
Solvents:
Water
;
12 h, rt
1.3
Reagents:
Sulfuric acid
;
1 h, pH 2, rt
2.1
Reagents:
Triethylamine
Solvents:
Acetonitrile
;
1.5 h, 0 °C
2.2
Reagents:
Hydrochloric acid
Solvents:
Water
2.3
Reagents:
p-Toluenesulfonic acid
Catalysts:
Tetrakis(triphenylphosphine)palladium
Solvents:
Tetrahydrofuran
,
Water
;
1 h, rt
3.1
Reagents:
1-Ethyl-3-(3′-dimethylaminopropyl)carbodiimide hydrochloride
Catalysts:
4-(Dimethylamino)pyridine
Solvents:
Acetonitrile
;
16 h, rt
3.2
Reagents:
Ammonium chloride
Solvents:
Water
;
rt
4.1
Reagents:
Thiophenol
,
Cesium carbonate
Solvents:
Acetonitrile
;
0 °C; 3.5 h, rt
4.2
Reagents:
Ammonium chloride
Solvents:
Water
;
rt