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  • Title: A facile two-step synthesis of 2-arylbenzofurans based on the selective cross McMurry couplings.
    Author: Duan XF, Zeng J, Zhang ZB, Zi GF.
    Journal: J Org Chem; 2007 Dec 21; 72(26):10283-6. PubMed ID: 18027967.
    Abstract:
    A novel two-step synthesis of 2-arylbenzofurans has been developed. It involves a selective cross McMurry coupling of a salicylaldehyde or substituted salicylaldehyde with an aromatic aldehyde and a sequential oxidative cyclization of the resulting ortho-vinylphenols. Utilizing this synthetic protocol, a variety of 2-arylbenzofurans including cicerfuran have been efficiently synthesized.
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