Reaktion #486232

ord-f3463eabf5a645538349ae96395ae908

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    SonstigeThe ethyl acetate extracts were evaporated to a solid
  2. 2
    workup.ADDITIONAddition of cyclohexane and filtration

Vorschrift

Same procedure followed as described in Example 5. The following amounts were used: 1H-indazole-3-carboxylic acid (1.49 g, 9.2 mmol), 1,1'-carbonyldiimidazole (1.49 g, 9.2 mmol) and the intermediate from Preparation 5 (1.62 g, 9.2 mmol). The ethyl acetate extracts were evaporated to a solid. Addition of cyclohexane and filtration provided 2.73 g of solid. Mass spectrum, m+ =321.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US05817676uspto-grants-1998_10