Titanium (IV) as an essential promoter in the asymmetric addition of diethylzinc to aldehydes catalyzed by aminonaphthol and imine ligands based on 3-substituted binaphthol

Fu Yong Jiang, Bing Liu, Zhi Bing Dong, Jin Shan Li

Research output: Contribution to journalArticlepeer-review

20 Scopus citations

Abstract

By using indirect reductive amination and condensation, two types of aminonaphthol and imine ligands based on 3-substituted binaphthol have been synthesized, respectively. When their catalytic effectiveness was tested by the ethylation of aldehydes with diethylzinc, titanium tetraisopropoxide was found essential to get good results with ee up to 90%.

Original languageEnglish
Pages (from-to)4377-4380
Number of pages4
JournalJournal of Organometallic Chemistry
Volume692
Issue number20
DOIs
StatePublished - 15 Sep 2007
Externally publishedYes

Keywords

  • BINOL
  • Diethylzinc
  • Reductive amination
  • Titanium tetraisopropoxide

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