Journal
APPLIED ORGANOMETALLIC CHEMISTRY
Volume 26, Issue 11, Pages 570-575Publisher
WILEY
DOI: 10.1002/aoc.2900
Keywords
arylhydrazines; 1-aryl-1?H-pyrazoles; ss-bromo-a; ss-unsaturated ketones; C-N bond formation; palladium catalyst
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Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2012-0002856]
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beta-Bromo-alpha,beta-unsaturated ketones are condensed with arylhydrazines to form hydrazones, which are in situ intramolecularly cyclized into 3-substituted 1-aryl-1?H-pyrazoles under a catalytic system of Pd(OAc)2/1,3-bis(diphenylhosphino)propane (dppp)/NaOtBu. Copyright (c) 2012 John Wiley & Sons, Ltd.
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