4.7 Article

Pd(OAc)2/S=PPh3 accelerated activation of gem-dichloroalkenes for the construction of 3-arylchromones

Journal

CHEMICAL COMMUNICATIONS
Volume 51, Issue 99, Pages 17576-17579

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5cc06334e

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Funding

  1. National Natural Science Foundation of China [21573057, 21205029]
  2. PhD Programs Foundation of Ministry of Education of China [20114104120003, 20124104120004]
  3. China Postdoctoral Science Foundation [2014M552005, 2015T80770]

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The Pd-catalyzed regioselective intramolecular nucleophilic substitution of gem-dichloroalkene derivatives with salicylaldehydes leading to the synthesis of 3-arylchromones has been developed. Pd(OAc)(2)/S=PPh3 could activate gem-dichloroalkenes and undergo nucleophilic substitution by salicylaldehydes with the aid of a base.

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