Self-Supported BINOL-Derived Phosphoric Acid Based on a Chiral Carbazolic Porous Framework

Xiang Zhang, Attila Kormos, Jian Zhang

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


The facile synthesis of a porous heterogeneous BINOL-derived chiral phosphoric acid BiCz-POF-1 using the mild, FeCl3-promoted oxidative polymerization is reported. For the first time, carbazole is introduced at the 3,3′-positions of the chiral BINOL-derived phosphoric acid to (1) offer steric hindrance for achieving a high enantioselectivity and (2) serve as a cross-linker for the construction of the porous solid catalyst. BiCz-POF-1 exhibits remarkable catalytic activity and enantioselectivity toward transfer hydrogenation of 1,4-benzoxazine, 1,4-benzoxazinone, and 2-phenylquinolone. Combined with its facile synthesis and excellent recyclability, BiCz-POF-1 represents a new class of heterogeneous chiral phosphoric acid that has wide potential utility in enantioselective organocatalysis.

Original languageEnglish (US)
Pages (from-to)6072-6075
Number of pages4
JournalOrganic Letters
Issue number22
StatePublished - Nov 17 2017

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry


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