Vanadium dodecylamino phosphate: A novel efficient catalyst for synthesis of polyhydroquinolines

A novel vanadium dodecylamino phosphate was synthesised by an instant reaction between phosphoric acid and vanadyl acetylacetonoate using dodecylamine as the structure-directing agent at ambient temperature. The physicochemical characteristics of the material were investigated by a variety of analyt...

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Bibliographic Details
Published in:Chemical papers 2014-02, Vol.68 (2), p.170-179
Main Authors: Rajini, Anumula, Nookaraju, Muralasetti, Reddy, Ingala Ajit Kumar, Narayanan, Venkatathri
Format: Article
Language:English
Subjects:
Biochemistry
Biotechnology
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
dodecylamine
Hantzsch condensation
Industrial Chemistry/Chemical Engineering
Materials Science
Medicinal Chemistry
Original Paper
polyhydroquinolines
vanadium
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Summary:A novel vanadium dodecylamino phosphate was synthesised by an instant reaction between phosphoric acid and vanadyl acetylacetonoate using dodecylamine as the structure-directing agent at ambient temperature. The physicochemical characteristics of the material were investigated by a variety of analytical techniques. XRD studies revealed the presence of vanadium phosphate and hydrated vanadium phosphate phases in the framework of the material. The catalytic application of this material toward in the synthesis of polyhydroquinolines via Hantzsch condensation was investigated at ambient temperature. This method affords high yields within short reaction times. The influence of various reaction parameters such as different solvents, catalyst dosage, effect of aldehydes, and reusability was studied and a plausible mechanism proposed.
ISSN:0366-6352
1336-9075
1336-9075
DOI:10.2478/s11696-013-0441-6