Total Synthesis of Gambierol, a Marine Polycyclic Ether

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Abstract

The first total synthesis of gambierol, a marine polycyclic ether toxin, has been achieved. Highly efficient synthesis of the ABC and EFGH ring fragments allowed us to prepare those two advanced intermediates in multi-gram quantities. The key feature of the present total synthesis is the B-alkyl Suzuki-Miyaura coupling tactics, which culminated in the union of the advanced intermediates and convergent synthesis of the octacyclic polyether core. Introduction of the sensitive triene side chain via Pd(PPh3) 4/CuCl/LiCl-promoted Stille coupling was conducted at the final step of the synthesis. The present total synthesis supplied useful quantities of gambierol and its structural analogues for detailed biological studies: an interesting observation was gained through pathological studies. Also, preliminary structure-activity relationship studies revealed that the functionalities present in the H ring and unsaturated side chain are crucial for notent toxicitv asainst mice.

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CITATION STYLE

APA

Fuwa, H., & Sasaki, M. (2003). Total Synthesis of Gambierol, a Marine Polycyclic Ether. Yuki Gosei Kagaku Kyokaishi/Journal of Synthetic Organic Chemistry, 61(8), 742–751. https://doi.org/10.5059/yukigoseikyokaishi.61.742

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