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Asymmetric synthesis of trifluoromethylated derivative of ent‐fragransin C1 was reported. The installation of contiguous stereochemistries across the tetrahydrofuran scaffold was achieved through stereocontrolled conjugate addition, aldol reaction, and a protection‐free intramolecular C‐O bond formation (furan ring formation) via chemoselective generation of the benzylic carbocation.
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