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Polycyclic Aromatic Compounds Volume 39, 2019 - Issue 5
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Articles

A Green One-Pot Synthesis of New and Known 5-Oxatetracene Derivatives Using Carboxylated Multiwall Carbon Nanotubes

Saeed KhodabakhshiYoung Researchers and Elite Club, Robatkarim Branch, Islamic Azad University, Robatkarim, IranCorrespondence[email protected]
,
Bahareh Abdol Pour MoriYoung Researchers and Elite Club, Robatkarim Branch, Islamic Azad University, Robatkarim, Iran
,
Mojtaba BaghernejadYoung Researchers and Elite Club, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran
&
Sajad KianiYoung Researchers and Elite Club, Robatkarim Branch, Islamic Azad University, Robatkarim, Iran
Pages 434-442 | Received 28 Oct 2015, Accepted 05 Jun 2017, Published online: 05 Jul 2017
 
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ABSTRACT

5-oxatetracene derivatives including five fused rings have been synthesized by the use of carboxylated multiwall carbon nanotubes (CMWCNTs) as powerful nanocatalysts. The CMWCNTs showed a high efficiency under solvent-free conditions and a good recyclability. Catalyst loadings can be as low as 0.008 g to give corresponding products at 110°C. Using a standard catalyst, avoidance of toxic organic solvents, simple work-up procedure, short reaction times, and high yield of products are the major advantages of the present method.

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