In:
Advanced Synthesis & Catalysis, Wiley, Vol. 364, No. 16 ( 2022-08-16), p. 2748-2752
Kurzfassung:
While elemental sulfur has been largely used as oxidant or sulfurating agent, its role as a catalyst has not been developed. We report here its catalytic activity in the oxidative condensation of o ‐phenylenediamines with acetophenones in DMSO to provide quinoxalines. The method was also extended to α‐tetralones, propiophenones (R=Me) as well as higher homologues (R=Et, n ‐Pr) in place of acetophenones, leading to a wide range of naphthoquinoxalines and 3‐substituted 2‐arylquinoxalines. magnified image
Materialart:
Online-Ressource
ISSN:
1615-4150
,
1615-4169
DOI:
10.1002/adsc.v364.16
DOI:
10.1002/adsc.202200527
Sprache:
Englisch
Verlag:
Wiley
Publikationsdatum:
2022
ZDB Id:
2041384-1
ZDB Id:
2033084-4