Issued Patents

  • Zhang, X. X.; Lang, K. 鈥淐atalytic Systems for Stereoselective Synthesis of Chiral Amines by Enantiodivergent Radical C鈥揌 Amination鈥澛燯.S. Patent 11,161,827聽(November 2,聽2021).
  • Zhang, X. X.; Hu, Y. 鈥淐ompositions and Methods for Catalysts Based on Bridged Chiral Amidoporphyrins and Their Metal Complexes鈥澛燯.S. Patent 11,117,123聽(September 14,聽2021).
  • Zhang, X. P.; Zhu, S.-F. 鈥淐obalt-Catalyzed Asymmetric Cyclopropanation of Alkenes with alpha-Nitro-Diazoacetates鈥澛燯.S. Patent 8,110,699聽(February 7,聽2012).
  • Zhang, X. P.; Ruppel, J. V. 鈥淚ntramolecular C鈥揌 Amidation with Sulfonyl Azides鈥澛燯.S. Patent 7,956,193聽(June 7,聽2011).
  • Zhang, X. P. 鈥淐obalt-Catalyzed Asymmetric Cyclopropanation of Electron-Deficient Olefins鈥澛燯.S. Patent 7,847,041聽(December 7,聽2010).
  • Zhang, X. P.; Chen, Y.; Gao, G.-Y. 鈥淐hiral Porphyrins, Chiral Metalloporphyrins, and Methods for Synthesis of The Same鈥澛燯.S. Patent 7,417,142聽(August 26,聽2008).
  • Zhang, X. P.; Chen, Y.; Gao, G.-Y.; Colvin, A. J. 鈥淗eteroatom-Substituted Porphyrins and Methods for Synthesis of The Same鈥澛燯.S. Patent 6,951,935聽(October 04,聽2005).