Phosphorus sulfide (P2S5) → 3-Methylquinoxaline-2-thiol

HRID 5817Notes

Reaction equation

HRID 5817 reaction equation
O[C:2]1[C:11]([CH3:12])=[N:10][C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[N:3]=1.P12(SP3(SP(SP(S3)(S1)=S)(=S)S2)=S)=[S:14]>N1C=CC=CC=1>[SH:14][C:2]1[C:11]([CH3:12])=[N:10][C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[N:3]=1

Participants

4

Reactant 2

HCID 14817Phosphorus sulfide (P2S5)HCID 178418588HCID 178418588, compound

Product 1

HCID 1784186273-Methylquinoxaline-2-thiol

Reagents, catalysts & solvents 1

HCID 1049PyridineSolvent

Procedure

2-Hydroxy-3-methylquinoxaline (2 g) and phosphorus pentasulphide (3.05 g) were stirred together in 40 ml of pyridine and the reaction mixture heated to reflux.

Workup

  1. temperaturethe reaction mixture heated to reflux

Sources & evidence

ORD record
ord-7070d8bc971546909aeafe6e08288d5c
Source dataset
uspto-grants-1993_09
Patent number
US05246933

Reaction notes

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