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- Title
A highly efficient and green protocol for the synthesis of 3,3′-(arylmethylene)-bis(2-hydroxynaphthoquinone) derivatives catalyzed by a dicationic molten salt.
- Authors
Zare, Abdolkarim; Ghobadpoor, Aysoda
- Abstract
A highly efficient and green protocol for the synthesis of 3,3′-(arylmethylene)-bis(2-hydroxynaphthoquinone) {3,3′-(arylmethylene)-bis(2-hydroxynaphthalene-1,4-dione)} derivatives has been developed. The reaction of 2-hydroxynaphthoquinone (2-hydroxynaphthalene-1,4-dione) (2 eq.) and arylaldehydes (1 eq.) in the presence of the dicationic molten salt N,N,N′,N′-tetramethylethylenediaminium bis-hydrogensulfate ([TMEDAH2][HSO4]2) under solvent-free conditions afforded the mentioned compounds in high yields and relatively short reaction times.
- Subjects
FUSED salts
- Publication
Zeitschrift für Naturforschung B: A Journal of Chemical Sciences, 2021, Vol 76, Issue 2, p91
- ISSN
0932-0776
- Publication type
Article
- DOI
10.1515/znb-2020-0174