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- Title
Nanocrystalline TiO-HClO catalyzed three-component preparation of derivatives of 1-amidoalkyl-2-naphthol, 1-carbamato-alkyl-2-naphthol, 1-(α-aminoalkyl)-2-naphthol, and 12-aryl-8,9,10,12-tetrahydrobenzo[ a]-xanthen-11-one.
- Authors
Shaterian, Hamid; Mohammadnia, Majid
- Abstract
1-Amidoalkyl-2-naphthols, 1-carbamatoalkyl-2-naphthols, and 1-(α-aminoalkyl)-2-naphthols have been prepared by three-component reaction of 2-naphthol, aromatic aldehydes, and NH compounds, i.e. amides, carbamates, and secondary amines, respectively, in the presence of a catalytic amount of nanocrystalline TiO-HClO. In addition, 12-aryl-8,9,10,12-tetrahydrobenzo[ a]-xanthen-11-one derivatives have been synthesized by reaction of 2-naphthol, aromatic aldehydes, and dimedone in the presence of the same nano catalyst. These reactions were studied under solvent-free conditions. This white acidic heterogeneous catalyst is very stable under the reaction conditions and was reused several times without significant loss of activity.
- Subjects
NANOCRYSTALS; CHEMICAL reactions; HETEROGENEOUS catalysts; TITANIUM oxides; NAPHTHOL derivatives; XANTHENE
- Publication
Research on Chemical Intermediates, 2013, Vol 39, Issue 9, p4221
- ISSN
0922-6168
- Publication type
Article
- DOI
10.1007/s11164-012-0938-6