Reaction #7728

ord-8cdd1682398d44799c23b12882d311f3

Solvents

Conditions

Detailed conditions
See reaction.notes.procedure_details.

Workup

  1. 1
    FiltrationThe mixture is filtered off with suction
  2. 2
    Concentrationthe mother liquor is concentrated to half the original volume
  3. 3
    OtherA solid crystallizes out, which
  4. 4
    Filtrationis filtered off with suction
  5. 5
    ConcentrationThe mother liquor is concentrated
  6. 6
    Filtrationthe product is filtered off

Procedure

30.0 g (0.20 mol) of 2,4-dichloropyrimidine, 30.9 g (0.20 mol) of ethyl N-methylglycinate and 61.0 g (0.60 mol) of triethylamine in 200 ml of dioxane are stirred at 50° C. for 10 min. The mixture is filtered off with suction and the mother liquor is concentrated to half the original volume. A solid crystallizes out, which is filtered off with suction. The mother liquor is concentrated, the residue is stirred with petroleum ether and the product is filtered off.

Source

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07087616B2uspto-grants-2006_08