C2-symmetric bisphosphine ligands derived from 1,1- binaphthyldiamines and diphenylphosphinobenzoic acid for palladium catalyzed desymmetrizations

Chung Woo Lim, Sang gi Lee

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

A series of novel C2-symmetric bisphosphine ligands derived from DPPBA and C2-symmetric 1,1' -binaphthyldiamines has been synthesized. In palladium catalyzed desymmetrization of meso cyclic carbamates, the enantioselectivity and the stereochemistry of the major enantiomers are largely affected by the substitution position of DPPBA moiety on the 1,1'-binaphthyl chiral scaffold. (C) 2000 Elsevier Science Ltd.

Original languageEnglish
Pages (from-to)5131-5136
Number of pages6
JournalTetrahedron
Volume56
Issue number29
DOIs
StatePublished - 14 Jul 2000

Bibliographical note

Funding Information:
We are grateful to the Korea Institute of Science and Technology (2v00363 and 2v00443) and, in part, Korea Fine Chemical, Inc. (2M08371) for support of this work.

Keywords

  • Binaphthylbisphosphine
  • C- symmetric
  • Desymmetrizations
  • Palladium

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