Immobilized TiO2 nanoparticles on carbon nanotubes: an efficient heterogeneous catalyst for the synthesis of chromeno[b]pyridine derivatives under ultrasonic irradiation-Reference-Cited by-同舟云学术

Immobilized TiO2 nanoparticles on carbon nanotubes: an efficient heterogeneous catalyst for the synthesis of chromeno[b]pyridine derivatives under ultrasonic irradiation

Published:2019 Issue:71 Volume:9 Page:41868-41876
ISSN:2046-2069
Container-title:RSC Advances
language:en
Short-container-title:RSC Adv.

Author:

Abdolmohammadi Shahrzad¹²³⁴⁵^ORCID,Mirza Behrooz¹⁶³⁷⁵,Vessally Esmail¹⁸⁴⁵^ORCID

Affiliation:

1. Department of Chemistry

2. East Tehran Branch

3. Islamic Azad University

4. Tehran

5. Iran

6. Karaj Branch

7. Karaj

8. Payame Noor University

Abstract

A new synthesis of chromeno[b]pyridines is described via reaction of 4-aminocoumarin, aromatic aldehydes and malononitrile catalyzed by TiO₂ nanoparticles immobilized on CNTs as an efficient heterogeneous catalyst under ultrasonic irradiation.

Funder

Islamic Azad University

Publisher

Royal Society of Chemistry (RSC)

Subject

General Chemical Engineering,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2019/RA/C9RA09031B

Reference59 articles.

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2. G. P.Ellis , The Chemistry of Heterocyclic Compounds Chromenes, Chromanes and Chromones , ed. A.Weissberger and E. C.Taylor , John Wiley , New York , 1977 , ch. 2, pp. 11–139

3. Nitriles in Heterocyclic Synthesis: Novel Synthesis of Benzo[c]coumarin and of Benzo[c]pyrano[3,2-c]quinoline Derivatives