Deoxygenative CO2 conversions with triphenylborane and phenylsilane in the presence of secondary amines or nitrogen-containing aromatics†

Takumi Murata, Mahoko Hiyoshi, Shinsuke Maekawa, Yuta Saiki, Manussada Ratanasak, Jun Ya Hasegawa, Tadashi Ema

Research output: Contribution to journalArticlepeer-review

Abstract

BPh3 catalyzed the N-methylation of secondary amines and the C-methylenation (methylene-bridge formation between aromatic rings) of N,N-dimethylanilines or 1-methylindoles in the presence of CO2 (1 atm) and PhSiH3 without solvent at 30-40 °C. A cascade reaction from 1-methyl-2-oxindole to 3,3′-methylenebis(1-methylindole) via 1-methylindole also proceeded.

Original languageEnglish
Pages (from-to)2385-2390
Number of pages6
JournalGreen Chemistry
Volume24
Issue number6
DOIs
Publication statusPublished - Feb 19 2022

ASJC Scopus subject areas

  • Environmental Chemistry
  • Pollution

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