as-Triazine, 5-(4-chlorophenyl)-3-hydrazino- → 7-(4-Chlorophenyl)[1,2,4]triazolo[4,3-b][1,2,4]triazine

HRID 237084Notes

Reaction equation

HRID 237084 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:9]=[C:10]([NH:14][NH2:15])[N:11]=[N:12][CH:13]=2)=[CH:4][CH:3]=1.[CH:16]([O-])([O-])OCC>>[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2[CH:13]=[N:12][N:11]3[CH:16]=[N:15][N:14]=[C:10]3[N:9]=2)=[CH:6][CH:7]=1

Participants

3

Reactant 2

HCID 3042263as-Triazine, 5-(4-chlorophenyl)-3-hydrazino-HCID 53630039Ethylorthoformate

Product 1

HCID 30545017-(4-Chlorophenyl)[1,2,4]triazolo[4,3-b][1,2,4]triazine

Procedure

A mixture of 4.4 g. of 5-(p-chlorophenyl)-3-hydrazino-1,2,4-triazine and 20 ml. of ethyl orthoformate is refluxed for 4 hours cooled and filtered giving the desired product as light yellow plates, m.p. >300° C.

Workup

  1. additionA mixture of 4.4 g
  2. temperaturecooled
  3. filtrationfiltered

Sources & evidence

ORD record
ord-e00eec14fde643ef97859100b1a5f108
Source dataset
uspto-grants-1979_06
Patent number
US04159375

Reaction notes

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