An Isolable Potassium Salt of a Borasilene–Chloride Adduct

Yuko Suzuki, Shintaro Ishida, Sota Sato, Hiroyuki Isobe, Takeaki Iwamoto

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

Among the variety of isolable compounds with multiple bonds involving silicon, examples of compounds that contain silicon–boron double bonds (borasilenes) still remain relatively rare. Herein, we report the synthesis of the potassium salt of a chloride adduct of borasilene 1 ([2]), which was obtained as an orange crystalline solid. Single-crystal X-ray diffraction analysis and reactivity studies on [2] confirmed the double-bond character of the Si=B bond as well as the reduced Lewis acidity, which is due to the coordination of Cl to the boron center. A thermal reaction of [2] afforded a bicyclic product by formal intramolecular C−H insertion across the Si=B bond of 1, which was corroborated by a theoretical study.

Original languageEnglish
Pages (from-to)4593-4597
Number of pages5
JournalAngewandte Chemie - International Edition
Volume56
Issue number16
DOIs
Publication statusPublished - 2017 Apr 10

Keywords

  • C-H activation
  • boron
  • multiple bonds
  • silicon

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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