Reaktion #552945

Reaktionsgleichung

2-(2-(((1,1-Dimethylethyl)dimethylsilyl)oxy)ethyl)-3-(((1,1-dimethylethyl)dimethyl-silyl)oxymethyl)-1-O-methanesulfonylcyclobutanol

lithium azide

→

title compound

Ausbeute 73.2%

2-(2-(((1,1-Dimethylethyl)dimethylsilyl)oxy)ethyl)-3-(((1,1-dimethylethyl)dimethylsilyl)oxymethyl)-1-azidocyclobutane

Ausbeute 73.2%

Lösungsmittel

DMF

Reaktionsbedingungen

Aufarbeitung

1. 1
   Einengenthen concentrated in vacuo
2. 2
   SonstigeThe residue was purified on a silica gel column
3. 3
   Wascheneluted with 5% ethyl acetate in hexane

Vorschrift

2-(2-(((1,1-Dimethylethyl)dimethylsilyl)oxy)ethyl)-3-(((1,1-dimethylethyl)dimethyl-silyl)oxymethyl)-1-O-methanesulfonylcyclobutanol (180 mg, 0.41 mmol) was mixed with 200 mg (4.1 mmol) of lithium azide in 4 mL of DMF. The reaction mixture was heated at 80° C. for 2 h then concentrated in vacuo. The residue was purified on a silica gel column eluted with 5% ethyl acetate in hexane to give 120 mg (73% yield) of the title compound; MS DCI-NH3M/Z: 400 (M+H)+, 417 (M+NH4)+.

Quelle