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Palladium-catalyzed peripheral arylation of 5-pyrazolones via enolizable bond protection

Title
Palladium-catalyzed peripheral arylation of 5-pyrazolones via enolizable bond protection
Authors
Bin H.-R.Bae Y.S.Kim G.Lee K.-I.
Ewha Authors
배윤수
SCOPUS Author ID
배윤수scopus
Issue Date
2011
Journal Title
Synthesis
ISSN
0039-7881JCR Link
Citation
no. 11, pp. 1783 - 1791
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Peripheral cross-coupling of the enol form of the 5-pyrazolone scaffold with arylboronic acids promoted by [PdCldppf)] afforded the arylated products in good yields. In this coupling, the protection of the enolizable hydroxyl group of pyrazolone is a prerequisite for ensuring the Suzuki-Miyaura cross-coupling. A particular feature of this process is that it enables the synthesis of 5-hydroxy-3-biphenyl and -terphenylpyrazole derivatives with structural diversity. © Georg Thieme Verlag Stuttgart - New York.
DOI
10.1055/s-0030-1260018
Appears in Collections:
자연과학대학 > 생명과학전공 > Journal papers
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