HCID 19421430, compound → HCID 19421437, compound

HRID 744002Notes

Reaction equation

HRID 744002 reaction equation
[Cl:1][C:2]1[C:3]([NH:15][NH:16][C:17]([C:19]([O:21][CH2:22][CH3:23])=[O:20])=O)=[N:4][C:5]2[C:10]([N:11]=1)=[CH:9][C:8]([N+:12]([O-:14])=[O:13])=[CH:7][CH:6]=2>P(Cl)(Cl)(Cl)=O>[Cl:1][C:2]1[C:3]2[N:4]([C:17]([C:19]([O:21][CH2:22][CH3:23])=[O:20])=[N:16][N:15]=2)[C:5]2[C:10]([N:11]=1)=[CH:9][C:8]([N+:12]([O-:14])=[O:13])=[CH:7][CH:6]=2

Participants

3

Reactant 1

HCID 19421430HCID 19421430, compound

Product 1

HCID 19421437HCID 19421437, compoundYield 90%

Reagents, catalysts & solvents 1

HCID 24813Phosphorus oxychlorideSolvent

Conditions

Temperature
50 °C

Procedure

A mixture of 2.0 g (~5.9 mmol) of 3-chloro-2-(2-ethoxalylhydrazino)-6-nitroquinoxaline and 20 ml of phosphorus oxychloride was refluxed for 90 min. After cooling to 50° C. the reaction mixture was poured into ice-water to give 1.7 g (~90%) of the title compound as a precipitate.

Workup

  1. temperaturewas refluxed for 90 min

Sources & evidence

ORD record
ord-8ce6420103404093b74fabc1e54ca92d
Source dataset
uspto-grants-1996_09
Patent number
US05559106

Reaction notes

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