1.1
Reagents:
Triethylamine
,
Methanesulfonyl chloride
Solvents:
Dichloromethane
;
0 °C; 4 h, 0 °C; 11 h, rt
1.2
Reagents:
Sodium azide
Solvents:
Dimethylformamide
;
16 h, 80 °C

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