1.1
Reagents:
N-Bromosuccinimide
Catalysts:
Azobisisobutyronitrile
Solvents:
Dichloromethane
;
24 h, reflux; reflux → 0 °C
1.2
Reagents:
Diethyl phosphite
,
Diisopropylethylamine
;
1 h, 0 °C; 1 h, rt
1.3
Reagents:
Potassium carbonate
Solvents:
Water
2.1
Reagents:
Diisopropylethylamine
Solvents:
Toluene
,
Tetrahydrofuran
,
N-Methyl-2-pyrrolidone
;
rt; 6 h, 40 °C; 40 °C → rt
2.2
Solvents:
Water
;
2 h, rt

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