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US06620954B1 Phosphinometallocenylamides as novel ligands for asymmetric catalysis 有权
作为不对称催化新配体的膦金属茂基酰胺

  • Patent Title: Phosphinometallocenylamides as novel ligands for asymmetric catalysis
  • Patent Title (中): 作为不对称催化新配体的膦金属茂基酰胺
  • Application No.: US10105516
    Application Date: 2002-03-25
  • Publication No.: US06620954B1
    Publication Date: 2003-09-16
  • Inventor: Neil Warren Boaz
  • Applicant: Neil Warren Boaz
  • Main IPC: C07F1700
  • IPC: C07F1700
Phosphinometallocenylamides as novel ligands for asymmetric catalysis
Abstract:
Disclosed are novel phosphinometallocenylamides that are useful as ligands for asymmetric catalysis. The novel ligands, which are readily modifiable, contain both a phosphine and an amide functionality linked by a metallocene backbone. In addition, the novel compounds are phosphine-amides derived from a phosphine-amine, rather than a phosphine-carboxylic acid. Further, described herein are both processes to make the novel ligands as well as processes that employ such ligands in a catalytically active composition comprising one or more phosphinometallocenylamide compounds in complex association with one or more Group VIb or Group VIII metals to provide chiral products. Further, we describe exemplary catalyst complexes incorporating the novel ligands.
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