Diethyl Oxalate → HCID 178517238, compound

HRID 1578072Notes

Reaction equation

HRID 1578072 reaction equation
[Cl:1][C:2]1[C:7]([Cl:8])=[CH:6][C:5]([NH2:9])=[C:4]([NH2:10])[CH:3]=1.[C:11](OCC)(=[O:17])[C:12](OCC)=[O:13]>>[Cl:1][C:2]1[CH:3]=[C:4]2[C:5](=[CH:6][C:7]=1[Cl:8])[N:9]=[C:12]([OH:13])[C:11]([OH:17])=[N:10]2

Participants

3

Reactant 2

HCID 7268Diethyl OxalateHCID 792974,5-Dichloro-1,2-phenylenediamine

Product 1

HCID 178517238HCID 178517238, compound

Procedure

4,5-dichloro-o-phenylenediamine and diethyl oxalate were reacted by the procedure of Cheeseman [J.C.S., (1962), p. 1174] to obtain 6,7-dichloroquinoxaline-2,3-diol which was reacted with phosphorus oxychloride/phosphorus pentachloride to form 2,3,6,7-tetrachloroquinoxaline.

Sources & evidence

ORD record
ord-2fc9905c334f461a9a3a6f679f35bece
Source dataset
uspto-grants-1981_09
Patent number
US04291033

Reaction notes

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