Ammonia → 4,5-Pyrimidinediamine, 6-chloro-

HRID 447680

Reaction equation

HRID 447680 reaction equation
[NH2:1][C:2]1[C:3](Cl)=[N:4][CH:5]=[N:6][C:7]=1[Cl:8].[NH3:10]>>[Cl:8][C:7]1[N:6]=[CH:5][N:4]=[C:3]([NH2:10])[C:2]=1[NH2:1]

Participants

3

Conditions

Temperature
118 °C

Procedure

A suspension of 5-Amino-4,6-dichloropyrimidine (3 g, 0.02 mol) in ammonia (25 mL, 7N/MeOH, 0.175 mole) was heated at 118° C. overnight(under pressure). The reaction was cooled to 23° C., filtered and washed with ethanol to obtain 1.92 g (70%).

Workup

  1. temperatureThe reaction was cooled to 23° C.
  2. filtrationfiltered
  3. washwashed with ethanol
  4. customto obtain 1.92 g (70%)

Sources & evidence

ORD record
ord-b09411bf28e54028a37863fd5808ffc7
Source dataset
uspto-grants-2013_07
Patent number
US08481550B2

Linked notes

Loading…