A versatile iodo(iii)etherification of terminal ethynylsilanes using BF3–OiPr2 and alkyl benzyl ethers

Takuya Matsumoto, Hiroshi Hagiyama, Kanetsugu Kuribayashi,Kazuhito Hioki,Hikaru Fujita,Masahito Ochiai,Munetaka Kunishima

Organic & Biomolecular Chemistry（2021）

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摘要

A series of (E)-alpha-silyl-beta-alkoxyvinyl-lambda(3)-iodanes was synthesized from iodosylbenzene, BF3-ether complexes, and terminal ethynylsilanes. The combined use of BF3-(OPr2)-Pr-i and benzyl ethers of primary alcohols (ROBn) allows the chemoselective transfer of primary alkoxy groups (RO) onto the beta-position of the terminal ethynylsilanes.

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