Recent Publications

- 1995 -

(1) "Enantioselective Addition of Diethylzinc to Aldehydes Catalyzed by Chiral Titanate Complexes with a Tetradentate Ligand" Zhang, X. and Guo, C. Tetrahedron Letters 1995, 36, 4947-4950.

- 1996 -

(2) "Synthesis of (1R, 1R')-2,6-Bis[1-(diphenylphosphino)ethyl]pyridine and its Application in Asymmetric Transfer Hydrogenation" Jiang, Q., Plew, D. V., Murtuza, S., Zhang, X. Tetrahedron Letters 1996, 37, 797-800.

(3) "Asymmetric Allylic Alkylation Catalyzed by Palladium Complexes with New Chiral Ligands" Zhu, G., Terry, M., Zhang, X. Tetrahedron Letters 1996, 37, 4475-4478.

- 1997 -

(4) "Syntheses of Novel Chiral Monophosphines, 2,5-Dialkyl-7-phenyl-7-phosphabicyclo-[2.2.1]heptanes, and Their Application in Highly Enantioselective Pd-Catalyzed Allylic Alkylations" Chen, Z., Jiang, Q., Zhu, G., Xiao, D., Cao, P., Guo, C., Zhang, X. J. Org. Chem. 1997, 62, 4521-4523.

(5) "Enantioselective Addition of Diethylzinc to Benzaldehyde Catalyzed by Chiral Titanate Complexes with Helical Ligands" Guo, C., Qiu, J., Zhang, X. Tetrahedron 1997, 53, 4145-4158.

(6) "Highly Effective NPN-type Tridentate Ligands for Asymmetric Transfer Hydrogenation of Ketones" Jiang, Y., Jiang, Q., Zhu, G., Zhang, X. Tetrahedron Letters 1997, 38, 215-218.

(7) "New Chiral Ligands for Catalytic Asymmetric Transfer Hydrogenation of Ketones" Jiang, Y., Jiang, Q., Zhu, G., Zhang, X. Tetrahedron Letters 1997, 38, 6565-6568.

(8) "Asymmetric Allylic Alkylation Catalyzed by Palladium Complexes with a New Chiral Bisphosphine Ligand" Longmire, J. M., Zhu, G., Zhang, X. Tetrahedron Letters 1997, 38, 375-378.

(9) "Synthesis of Chiral Phosphine Ligands with Aromatic Backbones and Their Applications in Asymmetric Catalysis" Longmire, J. M., Zhang, X. Tetrahedron Letters 1997, 38, 1725-1728.

(10) "Enantioselective Addition of Diethylzinc to Aldehydes Catalyzed by a Titanate Complex with a Chiral Tetradentate Ligand" Qiu, J., Guo, C., Zhang, X. J. Org. Chem. 1997, 62, 2665-2668.

(11) "Highly Enantioselective Rh-Catalyzed Hydrogenations with a New Chiral 1,4-Bisphosphine Containing a Cyclic Backbone" Zhu, G., Cao, P., Jiang, Q., Zhang, X. J. Am. Chem. Soc. 1997, 119, 1799-1800.

(12) "Asymmetric [3 + 2] Cycloaddition of 2,3-Butadienoates with Electron-Deficient Olefins Catalyzed by Novel Chiral 2,5-Dialkyl-7-phenyl-7- phosphabicyclo[2.2.1]heptanes" Zhu, G., Chen, Z., Jiang, Q., Xiao, D., Cao, P., Zhang, X. J. Am. Chem. Soc. 1997, 119, 3836-3837.

(13) "Asymmetric hydrosilylation of ketones catalyzed by ruthenium complexes with chiral tridentate lignads" Zhu, G., Terry, M., Zhang, X. J. Organometallic Chem. 1997, 547, 97-101.

- 1998 -

(14) "Asymmetric Formation of Quaternary Carbon Centers Catalyzed by Novel Chiral 2,5-Dialkyl-7-phenyl-7-phosphabicyclo-[2.2.1]heptanes" Chen, Z., Zhu, G., Jiang, Q., Xiao, D., Cao, P., Zhang, X. J. Org. Chem. 1998, 63, 5631-5635.

(15) "Highly Enantioselective Hydrogenation of Simple Ketones Catalyzed by a Rh-PennPhos Complex" Jiang, Q., Jiang, Y., Xiao, D., Cao, P., Zhang, X. Angew. Chem. Int. Ed. 1998, 37, 1100-1103.

(16) "A New Chiral Bis(oxazolinylmethyl)amine Ligand for Ru-Catalyzed Asymmetric Transfer Hydrogenation of Ketones" Jiang, Y., Jiang, Q., Zhang, X. J. Am. Chem. Soc. 1998, 120, 3817-3818.

(17) "Synthesis and X-ray Crystal Structures of Palladium(II) and Platinum(II) Complexes of the PCP-Type Chiral Tridentate Ligand (1R,1'R)-1,3-Bis[1-(diphenylphosphino)ethyl]benzene. Use in the Asymmetric Aldol Reaction of Methyl Isocyanoacetate and Aldehydes" Longmire, J. M., Zhang, X. Organometallics 1998, 17, 4374-4379.

(18) "Synthesis of Novel Chiral 2,5-Dialkyl-7-azabicyclo[2.2.1] heptanes and 2,5-Dialkyl-7-thiobicyclo[2.2.1]heptanes" Xiao, D., Zhang, Z., Jiang, Q., Zhang, X. Tetrahedron Letters 1998, 39, 5331-5334.

(19) "Highly Enantioselective Rhodium-Catalyzed Hydrogenation of Dehydroamino Acids with New Chiral Bisphosphinites" Zhu, G., Zhang, X. J. Org. Chem. 1998, 63, 3133-3136.

(20) "Practical Syntheses of b-Amino Alcohols via Asymmetric Catalytic Hydrogenation" Zhu, G., Casalnuovo, A. L., Zhang, X. J. Org. Chem. 1998, 63, 8100-8101.

(21) "Asymmetric Rh-Catalyzed Hydrogenation of Enamides with a Chiral 1,4-Bisphosphine Bearing Diphenylphosphino Groups" Zhu, G., Zhang, X. J. Org. Chem. 1998, 63, 9590-9593.

(22) "Additive effects in Ir-BICP catalyzed asymmetric hydrogenation of imines" Zhu, G., Zhang, X. Tetrahedron: Asymmetry 1998, 9, 2415-2418.

- 1999 -

(23) "Highly Enantioselective Cyclocarbonylation of Allylic Alcohols Catalyzed by Novel Pd-1,4-bisphosphine Complexes" Cao, P., Zhang, X. J. Am. Chem. Soc. 1999, 121, 7708-7709.

(24) "Ru-BICP-Catalyzed Asymmetric Hydrogenation of Aromatic Ketones" Cao, P., Zhang, X. J. Org. Chem. 1999, 64, 2127-2129.

(25) "Development of New Chiral P,N Ligands and Their Application in the Cu-Catalyzed Enantioselective Conjugate Addition of Diethylzinc to Enones" Hu, X., Chen, H., Zhang, X. Angew. Chem. Int. Ed. 1999, 38, 3518-3521.

(26) "Highly Enantioselective Hydrogenation of Cyclic Enol Acetates Catalyzed by a Rh-Pennhos Complex" Jiang, Q., Xiao, D., Zhang, Z., Cao, P., Zhang, X. Angew. Chem. Int. Ed. 1999, 38, 516-518.

(27) "Rhodium-hydroxyl bisphospholane catalyzed highly enantioselective hydrogenation of dehydroamino aicds and esters" Li, W., Zhang, Z., Xiao, D., Zhang, X. Tetrahedron Letters 1999, 40, 6701-6704.

(28) "Synthesis of a Novel Chiral Binaphthyl Phospholane and Its Application in the Highly Enantioselective Hydrogenation of Enamides" Xiao, D., Zhang, Z., Zhang, X. Org. Lett. 1999, 1, 1679-1681.

(29) "The First Tridentate Ligand for Catalytic Enantioselective Aza-Claisen Rearrangement of Allylic Imidates" Yutong, J., Longmire, J. M., Zhang, X. Tetrahedron Letters 1999, 40, 1449-1450.

(30) "Highly Enantioselective Hydrogenation of Cyclic Enamides Catalyzed by a Rh-PennPhos Catalyst" Zhang, Z., Zhu, G., Jiang, Q., Xiao, D., Zhang, X. J. Org. Chem. 1999, 64, 1774-1775.

(31) "Highly Efficient Asymmetric Synthesis of b-Amino Acid Derivatives via Rhodium-Catalyzed Hydrogenation of b-(Acylamino)acrylate" Zhu, G., Chen, Z., Zhang, X. J. Org. Chem. 1999, 64, 6907-6910.

- 2000 -

(32) "The First Highly Enantioselective Rh-Catalyzed Enyne Cycloisomerization" Cao, P., Zhang, X. Angew. Chem. Int. Ed. 2000, 39, 4104-4106.

(33) "Rh-Catalyzed Enyne Cycloisomerization" Cao, P., Wang, B., Zhang, X. J. Am. Chem. Soc. 2000, 122, 6490-6491.

(34) "Synthesis of Chiral Hydroxyl Phospholanes from D-mannitol and Their Use in Asymmetric Catalytic Reactions" Li, W., Zhang, Z., Xiao, D., Zhang, X. J. Org. Chem. 2000, 65, 3489-3496.

(35) "Synthesis of 3, 4-O-Isopropylidene- (3S,4S)-dihydroxy-(2R,5R)-bis(diphenylphosphino)hexane and Its Application in Rh-Catalyzed Highly Enantioselective Hydrogenation of Enamides" Li, W., Zhang, X. J. Org. Chem. 2000, 65, 5871-5874.

(36) "Highly efficient kinetic resolution of 2-cyclohexenyl acetate in Pd-catalyzed allylic alkylation" Longmire, J., Wang, B., Zhang, X. Tetrahedron Letters 2000, 41, 5435-5439.

(37) "An efficient Rh-catalyst system for the intramolecular [4+2] and [5+2] cycloaddition reactions" Wang, B., Cao, P., Zhang, X. Tetrahedron Letters 2000, 41, 8041¨C8044.

(38) "Synthesis of Chiral Bisphosphines with Tunable Bite Angles and Their Applications in Asymmetric Hydrogenation of b-Ketoesters" Zhang, Z., Qian, H., Longmire, J., Zhang, X. J. Org. Chem. 2000, 65, 6223-6226.

- 2001 -

(39) "Highly Enantioselective Hydrogenation of Acyclic Imines Catalyzed by Ir - f-Binaphane Complexes" Xiao, D., Zhang, X. Angew. Chem. Int. Ed. 2001, 40, 3425-3428.

- 2002 -

(40) "Synthesis of novel chiral binaphthyl phosphorus ligands and their applications in Rh-catalyzed asymmetric hydrogenation" Chi, Y., Zhang, X. Tetrahedron Letters 2002, 43, 4849¨C4852.

(41) "A practical synthesis of 2-amino-2'-hydroxy-1,1'-binaphthyl (NOBIN)" Korber, K., Tang, W., Hu, X., Zhang, X. Tetrahedron Letters 2002, 43, 7163-7165.

(42) "Highly Enantioselective Rh-Catalyzed Intramolecular Alder-Ene Reactions for the Syntheses of Chiral Tetrahydrofurans" Lei, A., He, M., Wu, S., Zhang, X. Angew. Chem. Int. Ed. 2002, 41, 3457-3460.

(43) "Highly Enantioselective Syntheses of Functionalized -a-Methylene-g-butyrolactones via Rh(I)-catalyzed Intramolecular Alder Ene Reaction: Application to Formal Synthesis of (+)-Pilocarpine" Lei, A., He, M., Zhang, X. J. Am. Chem. Soc. 2002, 124, 8198-8199.

(44) "Transmetalation of Palladium Enolate and Its Application in Palladium-Catalyzed Homocoupling of Alkynes: A Room-Temperature, Highly Efficient Route To Make Diynes" Lei, A., Srivastava, M., Zhang, X. J. Org. Chem. 2002, 67, 1969-1971.

(45) "Palladium-Catalyzed Homocoupling Reactions between Two Csp3-Csp3 Centers" Lei, A., Zhang, X. Org. Lett. 2002, 4, 2285-2288.

(46) "A novel palladium-catalyzed homocoupling reaction initiated by transmetallation of palladium enolates" Lei, A., Zhang, X. Tetrahedron Letters 2002, 43, 2525¨C2528.

(47) "Highly Enantioselective Cycloisomerization of Enynes Catalyzed by Rhodium for the Preparation of Functionalized Lactams" Lei, A., Waldkirch, J. P., He, M., Zhang, X. Angew. Chem. Int. Ed. 2002, 41, 4526-4529.

(48) "Chiral C2-Symmetric Ligands with 1,4-Dioxane Backbone Derived from Tartrates: Syntheses and Applications in Asymmetric Hydrogenation" Li, W., Waldkirch, J. P., Zhang, X. J. Org. Chem. 2002, 67, 7618-7623.

(49) "A Novel Chiral Ferrocenyl Phosphine Ligand from Sugar: Applications in Rh-Catalyzed Asymmetric Hydrogenation Reactions" Liu, D., Li, W., Zhang, X. Org. Lett. 2002, 4, 4471-4474.

(50) "Highly Enantioselective Ag(I)-Catalyzed [3 + 2] Cycloaddition of Azomethine Ylides" Longmire, J. M., Wang, B., Zhang, X. J. Am. Chem. Soc. 2002, 124, 13400-13401.

(51) "A Chiral 1,2-Bisphospholane Ligand with a Novel Structural Motif: Applications in Highly Enantioselective Rh-Catalyzed Hydrogenations" Tang, W., Zhang, X. Angew. Chem. Int. Ed. 2002, 41, 1612-1614.

(52) "An ortho-Substituted BIPHEP Ligand and Its Applications in Rh-Catalyzed Hydrogenation of Cyclic Enamides" Tang, W., Chi, Y., Zhang, X. Org. Lett. 2002, 4, 1695-1698.

(53) "A new chiral ruthenium complex for catalytic asymmetric cyclopropanation" Tang, W., Hu, X., Zhang, X. Tetrahedron Letters 2002, 43, 3075-3078.

(54) "Highly Efficient Synthesis of Chiral b-Amino Acid Derivatives via Asymmetric Hydrogenation" Tang, W., Zhang, X. Org. Lett. 2002, 4, 4159-4161.

(55) "Highly Enantioselective Hydrogenation of Enol Acetates Catalyzed by Ru-TunaPhos Complexes" Wu, S., Wang, W., Tang, W., Lin, M., Zhang, X. Org. Lett. 2002, 4, 4495-4497.

(56) "Highly Effective Chiral Ortho-Substituted BINAPO Ligands ( o-BINAPO): Applications in Ru-Catalyzed Asymmetric Hydrogenations of b-Aryl-Substituted b-(Acylamino)acrylates and b-Keto Esters" Zhou, Y.-G., Tang, W., Wang, W.-B., Li, W., Zhang, X. J. Am. Chem. Soc. 2002, 124, 4952-4953.

(57) "Synthesis of novel BINOL-derived chiral bisphosphorus ligands and their application in catalytic asymmetric hydrogenation" Zhou, Y.-G., Zhang, X. Chem. Commun. 2002, 1124-1125.

- 2003 -

(58) "Asymmetric Hydrogenation of Itaconic Acid and Enol Acetate Derivatives with the Rh-TangPhos Catalyst" Tang, W., Liu, D., Zhang, X. Org. Lett. 2003, 5, 205-207.

(59) "Highly Enantioselective Reductive Amination of Simple Aryl Ketones Catalyzed by Ir-f-Binaphane in the Presence of Titanium(IV) Isopropoxide and Iodine" Chi, Y., Zhou, Y., Zhang, X. J. Org. Chem. 2003, 68, 4120-4122.

(60) "Rh-Catalyzed Kinetic Resolution of Enynes and Highly Enantioselective Formation of 4-Alkenyl-2,3-disubstituted Tetrahydrofurans" Lei, A., He, M., Zhang, X. J. Am. Chem. Soc. 2003, 125, 11472-11473.

(61) "Phospholane-Oxazoline Ligands for Ir-Catalyzed Asymmetric Hydrogenation" Tang, W., Wang, W., Zhang, X. Angew. Chem. Int. Ed. 2003, 42, 943-946.

(62) "A Bisphosphepine Ligand with Stereogenic Phosphorus Centers for the Practical Synthesis of b-Aryl-b-Amino Acids by Asymmetric Hydrogenation" Tang, W., Wang, W., Chi, Y., Zhang, X. Angew. Chem. Int. Ed. 2003, 42, 3509-3511.

(63) "New Chiral Phosphorus Ligands for Enantioselective Hydrogenation" Tang, W., Zhang, X. Chem. Rev. 2003, 103, 3029-3069.

(64) "Enantioselective Hydrogenation of Tetrasubstituted Olefins of Cyclic b-(Acylamino)acrylates" Tang, W., Wu, S., Zhang, X. J. Am. Chem. Soc. 2003, 125, 9570-9571.

(65) "Novel Rhodium-Catalyzed Cycloisomerization of 1,6-Enynes with an Intramolecular Halogen Shift" Tong, X., Zhang, Z., Zhang, X. J. Am. Chem. Soc. 2003, 125, 6370-6371

- 2004 -

(66) "Synthesis of a New Class of Conformationally Rigid Phosphino-oxazolines: Highly Enantioselective Ligands for Ir-Catalyzed Asymmetric Hydrogenation" Liu, D., Tang, W., Zhang, X. Org. Lett. 2004, 6, 513-516.

(67) "Highly Enantioselective Asymmetric Hydrogenation of a-Phthalimide Ketone: An Efficient Entry to Enantiomerically Pure Amino Alcohols" Lei, A.; Wu, S.; He, M.; Zhang, X. J. Am. Chem. Soc. 2004, 126, 1626-1627

(68) " Novel phosphine-phosphite and phosphine-phosphinite ligands for highly enantioselective asymmetric hydrogenation" Yan, Y.; Chi, Y.; Zhang, X. Tetrahedron: Asymmety 2004, 15, 2173-2175

(69) " Synthesis of ortho-phenyl substituted MeO-BIPHEP ligand and its application in Rh-catalyzed asymmetric hydrogenation" Wu, S.; He, M.; Zhang, X. Tetrahedron: Asymmetry 2004, 15, 2177-2180.

(70) " Development of DIOP derivatives as efficient ligands for asymmetric hydrogenation: factors controlling the reactivities and enantioselectivities" Liu, D.; Li, W.; Zhang, X. Tetrahedron: Asymmetry 2004, 15, 2181-2184.

(71) " Synthesis of New Monodentate Spiro Phosphoramidite Ligand and Its Application in Rh-Catalyzed Asymmetric Hydrogenation Reactions" Wu, S.; Zhang, W.; Zhang, Z.; Zhang, X. Org. Lett. 2004, 6, 3565-3567.

- 2005 -

(72) " Practical P-Chiral Phosphane Ligand for Rh-Catalyzed Asymmetric Hydrogenation" Liu, D.; Zhang, X. Eur. J. Org. Chem. 2005, 646-649.

(73) " Practical Synthesis of Enantiopure g-Amino Alcohols by Rhodium-Catalyzed Asymmetric Hydrogenation of b-Secondary-Amino Ketones" Liu, D.; Gao, W.; Wang, C.; Zhang, X. Angew. Chem. Int. Ed., 2005, 44, 1687-1689.

(74) " Enantioselective syntheses of 3,4,5-trisubstituted g-lactones: formal synthesis of (-)-blastmycinolactol" He, M.; Lei, A.; Zhang, X. Tetrahedron Lett. 2005, 46, 1823-1826.

(75) " A new class of readily available and conformationally rigid phosphino-oxazoline ligands for asymmetric catalysis" Liu, D.; Dai, Q.; Zhang, X. Tetrahedron 2005, 61, 6460-6471.

(76) " Enantioselective Hydrogenation of Allylphthalimides: An Efficient Method for the Synthesis of b-Methyl Chiral Amines" Wang, C.-J.; Sun, X.; Zhang, X. Angew. Chem. Int. Ed. 2005, 44, 4933-4935.

(77) " Highly enantioselective copper-catalyzed conjugate addition of diethylzinc to cyclic enones with spirocyclic phosphoramidite ligands" Zhang, W.; Wang, C.-J.; Gao, W.; Zhang, X. Tetrahedron Lett. 2005, 46, 6087-6090.

(78) " Cu(I)-Catalyzed Highly Exo-selective and Enantioselective [3 + 2] Cycloaddition of Azomethine Ylides with Acrylates" Gao, W.; Zhang, X.; Raghunath, M. Org. Lett. 2005, 7, 4241-4244.

(79) " Triazole-Based Monophosphines for Suzuki-Miyaura Coupling and Amination Reactions of Aryl Chlorides" Liu, D.; Gao, W.; Dai, Q.; Zhang, X. Org. Lett. 2005, 7, 4907-4910.

(80) " Ferrocenyl bis-phosphine ligands bearing sulfinyl, sulfonyl or sulfenyl groups: applications in asymmetric hydrogenation and allylic alkylation reactions" Raghunath, M.; Gao, W.; Zhang, X. Tetrahedron: Asymmetry 2005, 16, 3676-3681.

(81) " A correlation study of bisphosphine ligand bite angles with enantioselectivity in Pd-catalyzed asymmetric transformations" Raghunath, M.; Zhang, X. Tetrahedron Lett. 2005, 46, 8213-8216.

(82) " Efficient Rhodium-Catalyzed Asymmetric Hydrogenation for the Synthesis of a New Class of N-Aryl b-Amino Acid Derivatives" Dai, Q.; Yang, W.; Zhang, X. Org. Lett. 2005, 7, 5343-5345.

- 2006 -

(83) " Chiral bisphospholane ligands (Me-ketalphos): synthesis of their Rh(I) complexes and applications in asymmetric hydrogenation" Dai, Q.; Wang, C.-J.; Zhang, X. Tetrahedron 2006, 62, 868-871.

(84) " Highly enantioselective hydrogenation of N-phthaloyl enamides" Yang, Q.; Gao, W.; Deng, J.; Zhang, X. Tetrahedron Lett. 2006, 47, 821-823.

(85) " Six-membered bis(azaphosphorinane), readily available ligand for highly enantioselective asymmetric hydrogenations" Yan, Y.; Zhang, X. Tetrahedron Lett. 2006, 47, 1567-1569.

(86) " Highly enantioselective Ru-catalyzed hydrogenation of b-keto esters using electron-donating bis(trialkylphosphine) ligand-TangPhos" Wang, C.-J.; Tao, H.; Zhang, X. Tetrahedron Lett. 2006, 47, 1901-1903.

(87) " Triazole-Based Monophosphine Ligands for Palladium-Catalyzed Cross-Coupling Reactions of Aryl Chlorides" Dai, Q.; Gao, W.; Liu, D.; Kapes, L. M.; Zhang, X. J. Org. Chem. 2006, 71, 3928-3934.

(88) " (h5-Triphenylindenyl)Ru(CO)2Cl: A New Ruthenium Catalyst for the Highly Efficient Racemization of Chiral 1-Phenylethanol at Room Temperature" Xi, Q.; Zhang, W.; Zhang, X. Synlett 2006, 945-947.

(89) " Highly Enantioselective Hydrogenation of a-Keto Esters Catalyzed by Ru-Tunephos Complexes" Wang, C.-J.; Sun, X.; Zhang, X. Synlett 2006, 1169-1172.

(90) " A Highly Enantioselective, Pd-TangPhos-Catalyzed Hydrogenation of N-Tosylimines" Yang, Q.; Shang, G.; Gao, W.; Deng, J.; Zhang, X. Angew. Chem. Int. Ed. 2006, 45, 3832-3835.

(91) " A Hybrid Phosphorus Ligand for Highly Enantioselective Asymmetric Hydroformylation" Yan, Y.; Zhang, X. J. Am. Chem. Soc. 2006, 128, 7198-7202.

(92) " Synthesis of Triphosphorous Bidentate Phosphine-Phosphoramidite Ligands and their Application in Highly Enantioselective Hydrogenation of ortho-Substituted Aryl Enamides" Zhang, W.; Zhang, X. Angew. Chem. Int. Ed. 2006, 45, 5515-5518.

(93) " Rh-Catalyzed Asymmetric Hydrogenation of a-Aryl Imino Esters: An Efficient Enantioselective Synthesis of Aryl Glycine Derivatives" Shang, G.; Yang, Q.; Zhang, X. Angew. Chem. Int. Ed. 2006, 45, 6360-6362.

(94) " Asymmetric Hydrogenation of Pyridines: Enantioselective Synthesis of Nipecotic Acid Derivatives" Lei, A.; Chen, M.; He, M.; Zhang, X. Eur. J. Org. Chem. 2006, 45, 4343-4347.

(95) " A Tetraphosphorus Ligand for Highly Regioselective Isomerization-Hydroformylation of Internal Olefins" Yan, Y.; Zhang, X.; Zhang, X. J. Am. Chem. Soc. 2006, 128, 16058-16061.

(96) " Practical synthesis of chiral 9,9'-spirobixanthene-1,1'-diol" Zhang, W.; Wu, S.; Zhang, Z.; Yennawar, H.; Zhang, X. Org. Biomol. Chem. 2006, 4, 4474-4477.

- 2007 -

(97) " Highly Enantioselective Hydrogenation of a-Dehydroamino Esters and Itaconates with Triphosphorous Bidentate Ligands and the Unprecedented Solvent Effect Thereof" Zhang, W.; Zhang, X. J. Org. Chem. 2007, 72, 1020-1023.

(98) " Rh-Catalyzed Highly Enantioselective Synthesis of 3-Arylbutanoic Acids" Sun, X.; Zhou, L.; Wang, C.-J.; Zhang, X. Angew. Chem. Int. Ed. 2007, 46, 2623-2626.

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