Synthetic study reveals a carbon dioxide-promoted photocatalytic pathway for constructing tetra-substituted furans, highlighting a new route for complex heterocycle assembly.
could be incorporated at the diketone enolic OH position, which was key to enabling the cleavage of a C-O bond during the rearrangement of a cyclopropane intermediate. This method allows for the same-pot construction of two isomers of the high-value tetra-substituted furan scaffold. The synthetic scope and preliminary mechanistic investigations are presented.
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Tian et al. (2021) studied this question.
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