6-(o-Chlorophenyl)-3-hydrazino-1,2,4-triazine → 6-(o-Chlorophenyl)-1,2,4-triazolo[4,3-b]-1,2,4-triazine

HRID 237102Notes

Reaction equation

HRID 237102 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:8]1[N:13]=[N:12][C:11]([NH:14][NH2:15])=[N:10][CH:9]=1.[CH:16]([O-])([O-])OCC>>[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[C:8]1[CH:9]=[N:10][C:11]2[N:12]([CH:16]=[N:15][N:14]=2)[N:13]=1

Participants

3

Reactant 2

HCID 125812896-(o-Chlorophenyl)-3-hydrazino-1,2,4-triazineHCID 53630039Ethylorthoformate

Product 1

HCID 125812976-(o-Chlorophenyl)-1,2,4-triazolo[4,3-b]-1,2,4-triazine

Procedure

A mixture of 4.45 g. of 6-(o-chlorophenyl)-3-hydrazino--1,2,4-triazine and 50 ml. of ethyl orthoformate is refluxed for 4 hours and then cooled, giving the desired product as yellow crystals, m.p. 145°-148° C.

Workup

  1. additionA mixture of 4.45 g
  2. temperaturecooled

Sources & evidence

ORD record
ord-2f8cfbbae69543b69dcaf1ff7360182f
Source dataset
uspto-grants-1979_06
Patent number
US04159375

Reaction notes

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