Sodium Azide → HCID 19076487, compound

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Reaction Steps

0.339 g of sodium azide is added to a solution of 0.560 g of the compound obtained in step B or B' in 20 ml of acetonitrile and the mixture is refluxed for 30 minutes. The solvent is evaporated off under vacuum and the residue is taken up with water, extracted with AcOEt, washed with a saturated solution of NaCl, with water and with a 5% aqueous solution of sodium dithionite, re-extracted with DCM, dried over sodium sulfate and evaporated under vacuum. The residue is chromatographed on silica using DCM and then a DCM/AcOEt mixture (95/5; v/v) as the eluent to give 0.377 g of the expected product. Infrared spectrum in DCM: 3440 cm-1, 2100 cm-1, 1745 cm-1.

Provenance & Evidence