Reaktion #470273

ord-64fc31d5b51a4d3083c827563583fd55

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    Sonstigeevaporated
  2. 2
    Sonstigechromatographed on silica gel

Vorschrift

To triphenylphosphine (1.0 equivalent) in tetrahydrofuran (THF) at −78° C. is added diethyl azodicarboxylate (1.0 equivalent) in THF. To this mixture is added a solution of hydrazoic acid in benzene (2.0 equivalents) and then the resultant compound from Example 16D (1.0 equivalent). After one hour the mixture was warmed to room temperature, stirred until the reaction is judged complete by TLC analysis, evaporated and chromatographed on silica gel to afford the title product.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US06310095B1uspto-grants-2001_10