Reaktion #335114

ord-82fcabae568841aabce0bc219bfb2314

Lösungsmittel

Reaktionsbedingungen

Temperatur
0°CELSIUS
Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    SonstigeThe product, 2.58 g, is obtained as cream crystals

Vorschrift

The title compound is prepared by the procedure of Example 20 using 2.5 g of product from Example 21, 10 ml acetonitrile, 2.11 g of phosphorus tribromide and 0.339 g of pyridine. The reaction is cooled for 10 minutes at 0° C., followed by stirring at room temperature for 1 hour. The product, 2.58 g, is obtained as cream crystals.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US05208247uspto-grants-1993_05