2-(Ethoxymethylene)propanedinitrile → HCID 6401133, compound

HRID 1413927Notes

Reaction equation

HRID 1413927 reaction equation
[Cl:1][C:2]1[N:3]=[N:4][C:5]([NH:8][NH2:9])=[CH:6][CH:7]=1.C(O[CH:13]=[C:14]([C:17]#[N:18])[C:15]#[N:16])C>C(O)C>[Cl:1][C:2]1[N:3]=[N:4][C:5]([N:8]2[C:17]([NH2:18])=[C:14]([C:15]#[N:16])[CH:13]=[N:9]2)=[CH:6][CH:7]=1

Participants

4

Reactant 2

HCID 671522-(Ethoxymethylene)propanedinitrileHCID 1007873-Chloro-6-hydrazinopyridazine

Product 1

HCID 6401133HCID 6401133, compound

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

A mixture of 4.35 g. (30 mmoles) of 3-chloro-6-pyridazinylhydrazine, 3.96 g. (30 mmoles) of ethoxymethylenemalononitrile and 60 ml. of ethanol is heated and refluxed for 2 hours. After cooling the separated crystals are filtered, washed with ethanol and dried. Yield: 5.85 g. (88.5%); m.p.: 250°-252° C.

Workup

  1. additionA mixture of 4.35 g
  2. temperaturerefluxed for 2 hours
  3. temperatureAfter cooling the separated crystals
  4. filtrationare filtered
  5. washwashed with ethanol
  6. customdried

Sources & evidence

ORD record
ord-e6fec5f6214248f6983b5c330dbc2c7d
Source dataset
uspto-grants-1981_02
Patent number
US04251658

Reaction notes

Loading…