1.1
Reagents:
Tosyl chloride
,
Triethylamine
,
Trimethylammonium chloride
Solvents:
Dichloromethane
;
1 h, 0 °C → rt
1.2
Reagents:
Sodium azide
Solvents:
Dimethylformamide
;
3 h, rt → 60 °C
1.3
Reagents:
Triphenylphosphine
Solvents:
Tetrahydrofuran
,
Water
;
10 h, rt

2881489226 








