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Polycyclic Aromatic Compounds Volume 40, 2020 - Issue 3
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Original Articles

CeCl3-Catalyzed a Highly Efficient and Eco-friendly Synthesis of New and Densely Functionalized Thiazolo[3,2-a]Pyrimidins via Biginelli-type Reaction

Tayebeh JazinizadehDepartment of Chemistry, Faculty of Science, University of Sistan and Baluchestan, Zahedan, Iran; View further author information
,
Afshin Yazdani-Elah-AbadiDepartment of Biology, Science and Art University, Yazd, Iran; ;Department of Chemistry, Payame Noor University, Tehran, Iran; ;Research Center of Environmental Chemistry, Payame Noor University, Ardakan, Yazd, IranView further author information
,
Malek Taher MaghsoodlouDepartment of Chemistry, Faculty of Science, University of Sistan and Baluchestan, Zahedan, Iran; Correspondence[email protected] [email protected]
View further author information
&
Reza HeydariDepartment of Chemistry, Faculty of Science, University of Sistan and Baluchestan, Zahedan, Iran; View further author information
Pages 732-742 | Received 25 Dec 2017, Accepted 19 May 2018, Published online: 31 Oct 2018
 
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Abstract

5-Carboxanilide-dihydropyrimidinone derivatives were prepared by three-component Biginelli reaction of acetoacetanilide, aromatic aldehydes and thiourea in the presence of CeCl3 as an expedient catalyst and used as key intermediates for the highly efficient and eco-friendly synthesis of new and densely functionalized thiazolo[3,2-a]pyrimidin derivatives with use of dimethyl and diethyl acetylenedicarboxylate in ethanol at ambient temperature (conventional magnetic stirring).

Additional information

Funding

We gratefully appreciate the financial support from the Research Council of University of Sistan and Baluchestan.

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