Ammonia → 2-Amino-4,6-difluoropyrimidine

HRID 1085881

Reaktionsgleichung

Reaktionsgleichung von HRID 1085881
[NH3:1].F[C:3]1[N:8]=[C:7]([F:9])[CH:6]=[C:5]([F:10])[N:4]=1>C(O)C>[NH2:1][C:3]1[N:8]=[C:7]([F:9])[CH:6]=[C:5]([F:10])[N:4]=1

Komponenten

4

Versuchsvorschrift

This entailed, in the first stage of the synthesis, absolute ethanol being saturated with ammonia at 0° C., and a solution of 2,4,6-trifluoropyrimidine (II) and ethanol then being added to the solution obtained in this way. It was possible, after elaborate separation of the isomers, to isolate 2-amino-4,6-difluoropyrimidine IVa' in 54.9% yield.

Aufarbeitung

  1. customobtained in this way
  2. customafter elaborate separation of the isomers

Quellen und Nachweise

ORD-Eintrag
ord-9c9f0f8f7cec4a7a99036410dd7420a8
Quelldatensatz
uspto-grants-1991_04
Patentnummer
US05011927

Verknüpfte Notizen

Wird geladen…