Journal
ACS CATALYSIS
Volume 3, Issue 2, Pages 178-181Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cs300733s
Keywords
Pd catalyst; azidoalkyne; aminocyclization; C-C triple bond cleavage; oxidation
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Funding
- 973 Program of China [973-2009CB825300]
- National Science Foundation of China [21202185, 20972175, 20923005]
- Open Project Program of the Key Laboratory of Functional Small Organic Molecule, Ministry of Education, Jiangxi Normal University [KLFS-KF-201202]
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Described herein is a new transformation of azidoalkynes by using a palladium catalyst, which involves a tandem process of aminopalladation of the alkyne and oxidative rearrangement. The reaction affords a variety of 4H-benzo[d][1,3]oxazin-4-ones. Mechanism studies support a Pd-catalyzed aminopalladation/oxidation/Baeyer-Villiger fragmentary sequence.
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