Abstract

AbstractA Prins bicyclization strategy for the stereoselective synthesis of trans‐fused hexahydropyrano[3,4‐c]chromene derivatives in good to excellent yields has been developed. The synthetic versatility of this approach has been demonstrated in the synthesis of calyxin I and J analogues. This is the first example of the synthesis of hexahydropyrano[3,4‐c]chromene derivatives from (E)‐3‐[2‐(benzyloxy)phenyl]‐5‐phenylpent‐4‐en‐1‐ol (4b) and aldehydes.

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