NDLI: Pd/C as an efficient heterogeneous catalyst for carbonylative four-component synthesis of 4(3<i>H</i>)-quinazolinones

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Pd/C as an efficient heterogeneous catalyst for carbonylative four-component synthesis of 4(3H)-quinazolinones

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Catalysis Science & Technology Vol - 5 Issue - 8

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Pd/C as an efficient heterogeneous catalyst for carbonylative four-component synthesis of 4(3H)-quinazolinones

Content Provider	Royal Society of Chemistry (RSC)
Author	Natte, Kishore Neumann, Helfried Wu, Xiao-Feng
Copyright Year	2015
Abstract	Quinazolinones are of interest in the fields of pharmaceuticals and medicinal chemistry. The application of palladium on activated charcoal (Pd/C) as a heterogeneous catalyst was investigated for the carbonylation of 2-iodoanilines with trimethyl orthoformate and amines via a multicomponent reaction approach, which provided excellent yields of 4(3H)-quinazolinones. It avoids the use of expensive phosphine ligands with an additional advantage of catalyst recovery. Furthermore, >5 new quinazolinone scaffolds containing the trifluoroethyl group were introduced by this procedure; gram scale experiments were successfully performed as well.
Starting Page	4474
Ending Page	4480
Page Count	7
File Format	HTM / HTML PDF
ISSN	20444753
Volume Number	5
Issue Number	9
Journal	Catalysis Science & Technology
DOI	10.1039/c5cy00907c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Heterogeneous catalysis Medicinal chemistry Carbonylation Trimethyl orthoformate Phosphine Activated carbon Gram Quinazolinone Multi-component reaction
Content Type	Text
Resource Type	Article
Subject	Catalysis

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Pd/C as an efficient heterogeneous catalyst for carbonylative four-component synthesis of 4(3H)-quinazolinones

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