Donor-Acceptor Cyclopropane Ring Expansion to 1,2-Dihydronaphthalenes. Access to Bridged Seven-Membered Lactones.

Vitaly V Shorokhov,Sergey S Zhokhov,Victor B Rybakov,Maksim A Boichenko,Ivan A Andreev,Nina K Ratmanova,Igor V Trushkov,Olga A Ivanova

Organic letters（2023）

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摘要

A Lewis-acid-promoted domino ring-opening cyclization of readily available donor-acceptor cyclopropanes with a preinstalled electrophilic center, embedded in a donor group, to functionalized 1,2-dihydronaphthalenes is reported herein. The obtained compounds are transformed to pharmacologically attractive bridged tricyclic esters in a diastereospecific manner.

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关键词

donor–acceptor cyclopropane ring expansion,seven-membered

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