Publications in Molecular Sciences

    1. "Cyclization Reactions of In-Situ Generated Acyl Ketene with Ynones to Form Oxacycles," Erandi Liyange Perera, Donald WInk, Yanshu Luo, Yuanzhi Xia, Daesung Lee*. J. Org. Chem., 2024, ASAP. DOI:10.1021/acs.joc.3c02711.
    2. "Gold-Catalyzed N-Alkenylation of Isoxazolines and the Use of Alkenyl Gold Intermediates in the Synthesis of 2-Amino-1-Pyrrolines," Abdullah Alshreimi, Guanqun Zhanga, Esther J. Shim, Donald Wink, Laura L Anderson*. ACS Catalysis, 2024, 14(4) 2229-2234. DOI:10.1021/acscatal.3c05824
    3. "Regioselective Reductive Elimination from Bismuth(V) Compounds for Aryl Transfer to Nucleophiles," Shuvra Debnath, Stephen G. DiMagno, Donald J. Wink, Audra G. Lemley, James M. Kelly* Adv. Synth. Catal., 2024, 366, 1128-1136. DOI:10.1002/adsc.202301148.
    4. "Cycloisomerization of Alkyne-Tethered N-Acyloxycarbamates to 2-(3H)Oxazolones through Nitrenoid-Mediated Carboxyamidation," Siyuan Su, Tongtong Wu, Prof. Yuanzhi Xia, Donald J. Wink, Daesung Lee*. Chemistry: A European Journal, 2023, e202203371 . DOI: 10.1002/chem.202203371.
    5. "Substituent and Solvent Effect Studies of N-Alkenylnitrone 4π-Electrocyclizations," Laura Alonso, Michael Shevlin, Abdullah Alshreimi, Tyler Reidl, Donald Wink, Laura L. Anderson*. Chemistry: A European Journal, 2023, e202300551. DOI: g/10.1002/chem.202300551.
    6. "Synthesis and structural characterization of the first stable cycloheptatrienyl metal complexes bearing a CF3 moiety. DFT investigations of structures, energetics, NBO charges, and frontier MOs of W-CF3 and Mo-CF3 with η7-C7H7 and η5-C5H5," Chris Douvris*, Christos Lampropoulos, David Matatov, Donald J. Wink, Aleksey E. Kuznetsov, and Derek Bussan. Polyhedron, 2022, 221 115875. DOI: 10.1016/j.poly.2022.115875.
    7. "Rh2(II)-Catalyzed Intermolecular N-Aryl Aziridination of Olefins Using Nonactivated N Atom Precursors," Tianning Deng, Wrickban Mazumdar, Yuki Yoshinaga, Pooja B. Patel, Dana Malo, Tala Malo, Donald J. Wink, and Tom G. Driver*, J. Amer. Chem. Soc., 2021, 143(45) 19149-19159. DOI: 10.1021/jacs.1c09229.
    8. "Counterion Control of t-BuO-Mediated Single Electron Transfer to Nitrostilbenes Constructs N-Hydroxyindoles or Oxindoles," Yingwei Zhao, Haoran Zhu, Donald J. Wink, Siyoung Sung, Joseph M. Zadrozny, Tom G. Driver*, Angew. Chem. Int. Ed. Engl., 2021, 60. 19207-19213. DOI: 10.1002/anie.202104319.
    9. "Ruthenabenzene: A Robust Precatalyst," Saswata Gupta, Siyuan Su, Yu Zhang, Peng Liu, Donald Wink, Daesung Lee*, J. Amer. Chem. Soc., 2021, 143 7490-7500. DOI:10.1021/jacs.1c02237. Ruthenabenzene Graphical Abstract
    10. "Alkene-chelated Ruthenium Alkylidenes--A Missing Link to New Catalysts," Saswata Gupta, Venkata Sabbasani, Siyuan Su, Donald Wink, Daesung Lee*, ACS Catalysis., 2021, 11 1977-1987. DOI: 10.1021/acscatal.0c04972.
    11. "Synthesis of Spirocyclic 1-Pyrrolines from Nitrones and Arynes via a Dearomative [3,3']-Sigmatropic Rearrangement," Abdullah S. Alshreimi, Guanqun Zhang, Tyler W. Reidl, Ricardo L. Pena, Nicholas-George Koto, Shahidul M. Islam, Donald J. Wink, and Laura L. Anderson*, Angew. Chem. Int. Ed. Engl., 2020, 59, 15244-15248. DOI: 10.1002/anie.202004652.
    12. "Oxidation of Nonactivated Anilines to Generate N-Aryl Nitrenoids," Tianning Deng, Wrickban Mazumdar, Russell L. Ford, Navendu Jana, Ragda Izar, Donald J. Wink, Tom G. Driver* J. Amer. Chem. Soc., 2020, 142 , 4456-4463. DOI: 10.1021/jacs.9b13599.
    13. "C-H Insertion by Alkylidene Carbenes To Form 1,2,3-Triazines and Anionic [3 + 2] Dipolar Cycloadditions to Form Tetrazoles: Crucial Roles of Stereoelectronic and Steric Effects," Fai-Jie Chen, Youngjia Li, Man Xu, Yuanzhi Xia*, Donald J. Wink, Daesung Lee* Org. Lett., 2020, 22, 718-723. DOI: 10.1021/acs.orglett.9b04548.
    14. "Silver-catalyzed Selective Multicomponent Coupling Reactions of Arynes with Nitriles and Isonitriles," Sourav Ghorai, Yongjia Lin, Yuanzhi Xia*, Donald J. Wink, Daesung Lee* Org. Lett., 2020, 22, 642-647. DOI: 10.1021/acs.orglett.9b04416.
    15. "Silver-catalyzed Annulation of Arynes with Nitriles for Synthesis of Structurally Diverse Quinazolines," Sourav Ghorai, Yongjia Lin, Yuanzhi Xia*, Donald J. Wink, Daesung Lee* Org. Lett., 2020, 22, 626-630. DOI: 10.1021/acs.orglett.9b04395.
    16. "Catalyst-controlled cascade synthesis of bridged bicyclic tetrahydrobenz[b]azepine-4-ones." Michelle A. Kroc, Maciej Markiewicz, Wiktoria H. Pace, Donald J. Wink and Laura L. Anderson*. Chem. Commun., 2019, 55, 2309-2312. DOI: 10.1039/C8CC10313E.
    17. "Controlling the Selectivity Patterns of Au-Catalyzed Cyclization-Migration Reactions," Mo Chen, Naijing Su, Tianning Deng, Donald J. Wink , Yingwei Zhao, and Tom G. Driver* Org. Lett., 2019, 21 , 1555-1558. DOI: 10.1021/acs.orglett.8b03888.
    18. "Alder-Ene Reactions Driven by High Steric Strain and Bond Angle Distortion to Form Benzocyclobutenes," Saswata Gupta, Yongjia Lin, Yuanzhi Xia*, Donald J. Wink, and Daesung Lee* Chemical Science, 2019, 10, 2212-2217. DOI: 10.1039/C8SC04277B.
    19. "Generation and Rearrangement of N,O Dialkenylhydroxylamines for the Synthesis of 2-Aminotetrahydrofurans." Jongwoo Son, Tyler Reidl, Ki Hwan Kim, Donald J. Wink, Laura L. Anderson.* Angew. Chem. Int. Ed. Engl., 2018, 57, 6597-6600. DOI: 10.1002/anie.201800908.
    20. "Cascade Synthesis of 3-Functionalized Indoles from Nitrones and Their Conversion to Cycloheptanone-Fused Indoles." Michelle Kroc, Ami Prajapati, Donald J. Wink, Laura. L. Anderson.* J. Org. Chem., 2018, 83, 1085-1094. DOI: 10.1002/acs.joc.7b02638.
    21. "Achieving Site-Selectivity in Metal-Catalyzed Electron-Rich Carbene Transfer Reactions from N-Tosylhydrazones." Su, Naijing; Deng, Tianning; Wink, Donald; Driver, Tom,* Org. Lett., 2017, 19, 3990-3993. DOI: 10.1021/acs.orglett.7b01694.
    22. "Facile Synthesis of Azetidine Nitrones and Diastereoselective Conversion to Densely-Substituted Azetidines." Tyler W Reidl, Jongwoo Son, Donald J Wink, Laura L Anderson.* Angew. Chem. Int. Ed. Engl., 2017, 56 11579 –11583. DOI:10.1002/ange.201705681.
    23. "Synthesis and Properties of New N-Heteroheptacenes for Solution-Based Organic Field Effect Transistors" Zhou, F.; Liu, S.; Santarsiero, B. D.; Wink, D. J.; Boudinet, D.; Facchetti, A.; Driver, T. G.* Chem. Eur. J. 2017, 23, 12542-12549. DOI:10.1002/chem.201701966.
    24. "Rh2(II)-Catalyzed Ring Expansion of Cyclobutanol-Substituted Aryl 2 Azides To Access Medium-Sized N-Heterocycles." Wrickban Mazumdar, Navendu Jana, Bryant T. Thurman, Donald J. Wink, and Tom G. Driver.* J. Amer. Chem. Soc., 2017, 139 5031-5034. DOI:10.1021/jacs.7b01833.
    25. "Synthesis of α-oxygenated ketones and substituted catechols via the rearrangement of N-enoxy- and N-aryloxyphthalimides." Kroc, M. A., Patil, A., Carlos, A., Ballantine, J., Aquilar, S., Mo, D.-L., Wang, H.-Y., Mueller, D. S., Wink, Donald J., Anderson, Laura L.* Tetrahedron, 2017, 73, 4125-4137. DOI:10.1016/j.tet.2017.01.061.
    26. "Single-Step Modular Synthesis of Unsaturated Morpholine N-Oxides and Their Cycloaddition Reactions." Soo, J., Kim, K. H., Mo, D.-L., Wink, D. J., Anderson, L. L.* Angew. Chem. Int. Ed. Engl., 2017, 56, 3059-3063. DOI:10.1002/anie.201611791
    27. "Catalytic Asymmetric Synthesis of Dihydropyrido[1,2-a]indoles from Nitrones and Allenoates" Wiktoria H. Pace,Dong-Liang Mo, Tyler W. Reidl, Donald J. Wink, and Laura L. Anderson.* Angew. Chem. Int. Ed. Engl., 2016, , 9183-9186.
    28. "Copper-Catalyzed Formation of α-Alkoxycycloalkenones from N-Tosylhydrazones." Su, N.; Theorell, J. A.; Wink, D. J., Driver, T. G.* Angew Chem. Int. Ed. Engl., 2015, 54, 12942-12946. DOI:10.1002.anie.201505993.
    29. "Au-Catalyzed Pentannulation Reaction of Propargylic Esters Occurring at C(sp3)-H Site." Kazem Shiroodi, R.; Sugawara, M.; Ratushnyy, M.; Yarbrough, D. C.; Wink, D. J.; Gevorgyan, V.* Org. Lett., 2015, 17, 4062-4065. DOI:10.1021/acs.orglett.5b01983.
    30. "Sequential Reactions of Trimethylsilyldiazomethane with 4-Alkenyl Ketones and Aldehydes Catalyzed by Lewis Bases" by Huaqing Liu, Matthew O'Connor, Chunrui Sun, Donald Wink, and Daesung Lee*. Org. Lett., 2013, 15, 2974-2977. DOI: 10.1021/ol401124t.
    31. "Cluster-Seeded Synthesis of Doped CdSe:Cu4 Quantum Dots" by Ali M. Jawaid, Soma Chattopadhyay, Donald J. Wink, Leah E. Page, and Preston T. Snee*. ACS Nano, 2013, 7(4), pp 3190-3197. DOI: 10.1021/nn305697q.
    32. "Pyridine Group Assisted Addition of Diazo-Compounds to Imines in the 3-CC Reaction of 2-Aminopyridines, Aldehydes, and Diazo-Compounds," by Anton V. Gulevich, Victoria Helan, Donald J. Wink, and Vladimir Gevorgyan* Org. Lett., 2013 15 (4), pp 956-959. DOI: 10.1021/ol400148.
    33. "Preparation and Rearrangement of N-Vinyl Nitrones: Synthesis of Spiroisoxazolines and Fluorene-Tethered Isoxazoles," by Dong-Liang Mo, Donald A. Wink, and Laura L. Anderson,* Org. Lett., 2012 14(20), 5180-5183. DOI: 10.1021/ol3022885.
    34. "Structure and Reactivity of Alkyne-Chelated Ruthenium Alkylidene Complexes," by K.-P. Wang, S. Y.Yun, D. Lee,* and D. J. Wink, J. Amer. Chem. Soc., 2009, 130, 15114-15115.
    35. "Structure and Reactivity of Alkynyl Ruthenium Alkylidenes" by S. Y. Yun, M. Kim, D. Lee,* and D. J. Wink, J. Amer. Chem. Soc., 2009, 130, 24-25.
    36. "On the Use of 3,5-Di-O-benzylidene and 3,5-Di-O-(di-tert-butylsilylene)-2-O-benzylarabinothiofuranosides and their Sulfoxides as Glycosyl Donors for the Synthesis of β-Arabinofuranosides: Importance of the Activation Method," by D. Crich,* C. M. Pedersen, A. A. Bowers, and D. J. Wink, J. Org. Chem., 2007, 72 1553-1565.
    37. "3-(4-methoxyphenyl)-1-methyl-2-azabicyclo[3.2.0]hept-2-en-6-ol" by Anna W. Sromek, Arnold L. Rheingold, Donald J. Wink, and Vladimir Gevorgyan.* Synlett, 2006, 2325-2328.
    38. "Expedient Two Step Synthesis of Phenolic Cyclitols from Benzene," by David Crich,* Dan Grant, and Donald J. Wink J. Org. Chem. 2006, 71, 4521-4524.
    39. "Approximate OH5 Ring Conformation of 2,3-O-carbonate Protected α- and β-L-Rhamnopyranosides as Confirmed by X-ray Crystallography," by David Crich,* A. U. Vinod, John Picione, and Donald J. Wink, ARKIVOC Volume 2005, Part(vi) (online journal, at www.arkat-usa.org).
    40. "TiCl4 Promoted Multicomponent Reaction: a New Entry to Functionalized α-Amino Acids," Arun K. Ghosh,* Chun-Xiao Xu and Donald Wink, Organic Letters, 2005; 7, 7-10.
    41. "Design and synthesis of highly constrained factor Xa inhibitors: amidine-Substituted bis(benzoyl)-[1 and 3]-diazepan-2-ones and bis(benzylidene)-bis(gem-dimethyl)cycloketones," Jian Cui, David Crich,* Donald Wink, Matthew Lam, Arnold L. Rheingold, David A. Case, WenTao Fu, Yasheen Zhou, Mohan Rao, Arthur J. Olson and Michael E. Johnson, Bioorganic & Medicinal Chemistry, 2003, 11, 3379-3392.
    42. "Highly Regiocontrolled Pd-Catalyzed Cross-Coupling Reaction of Terminal Alkynes and Allenylphosphine Oxides," Michael Rubin, Jelena Markov, Stepan Chuprakov, Donald J. Wink, and Vladimir Gevorgyan,* J. Org. Chem., 2003, 68, 6251-6256.
    43. "Template-Directed C-H Activation: Development and Application to the Total Synthesis of 7-Episordidin," Duncan J. Wardrop, * Raymond E. Forslund, Chad L. Landrie, Adriana I. Velter, Donald J. Wink, and Bhushan Surve, Tetrahedron: Asymmetry, 2003, 14, 929-940.
    44. "Stereoselective Formation of Glycosyl Sulfoxides and Their Subsequent Equilibration. Ring Inversion of an α-Xylopyranosyl Sulfoxide Dependent on the Configuration at Sulfur," David Crich,* Jan Mataka, and Donald J. Wink, J. Am. Chem. Soc., 2002, 124, 6028.
    45. "Radical Contraction of 1,3,2-Dioxaphosphepanes to 1,3,2-Dioxaphosphorinanes: A Kinetic and 17O NMR Spectroscopic Study," David Crich,* Fernando Sartillo-Piscil, Leticia Quintero-Cortes, and Donald J. Wink, J. Org. Chem.; 2002, 67, 3360.
    46. TetraMannan
    47. "Direct Synthesis of β-Mannans. A Hexameric [→3)-β-D-Man-(1 4)-β-D-Man-(1]3 Subunit of the Antigenic Polysaccharides from Leptospira biflexa and the Octameric (1→ 2)-Linked β-D-Mannan of the Candida albicans Phospholipomannan. X-ray Crystal Structure of a Protected Tetramer," David Crich,* Hongmei Li, Qingjia Yao, Donald J. Wink, Roger D. Sommer, and Arnold L. Rheingold. J. Am. Chem. Soc., 2001, 123, 5826.
    48. "Stereoselective Construction of Quaternary Carbon Centers by Three Component Coupling Reactions," Arun K. Ghosh,* Reiko Kawahama and Donald Wink, Tetrahedron Letters, 2000, 41, 8425.
    49. "Neotame: An Alkylated Dipeptide and High-intensity Sweetener," Donald J. Wink, Stephen A. Schroeder, Indra Prakash, K.-C. Lam, and Arnold Rheingold. ActaCryst. , 1999. C55, 1365.
    50. "Diverging Effects of Steric Congestion on the Reaction of Tributylstannyl Radicals with Areneselenols and Aryl Bromides and Their Mechanistic Implications," David Crich, Jae-Taeg Hwang, Stephane Gastaldi, Francesco Rucepero, and Donald J. Wink. J. Org. Chem., 1999, 64, 2877.
    51. "Synthesis of Fully-substituted Enediynes by the Corey-Winter Reaction." David C. Crich, * Anna B. Pavlovic, and Donald J. Wink, Synth. Commun. 1999, 29, 359.
    52. "Stereoselective Sulfoxidation of α-Mannopyranosyl Thioglycosides: the exo-Anomeric Effect in Action" David C. Crich, * Jan Mataka, Donald J. Wink, K.-C. Lam, and Arnold Rheingold. J. Chem. Soc., Chem. Commun., 1998, 2763.
    53. "Michael Addition to Unsaturated Arene Ruthenum(II) Cyclopentadiene Complexes. Endo Nucleophilic Addition." Robert M. Moriarty, * Livia A. Enache, Richard Gilardi, George Gould, and Donald J. Wink, Chem. Commun., 1998, 1155.
    54. "Absence of Diffusively Free Radical Cation Intermedicates in Reactions of β-(Phosphatoxy)alkyl Radicals." Seung-Yong Choi, David Crich,* John H. Horner, Xianhai Huang, Feliz N. Martinez, Martin Newcomb, Donald J. Wink, and Qingwei Yao, J. Amer. Chem. Soc., 1998, 120, 211.
    55. CaiComplex
    56. "Synthesis and Characterization of a Constructed and Rigid Ligand System for Five Coordinate Binuclear Metal Complexes." Lisheng Cai, * Charles O'Conner, Wenge Xie, Hussein Mahmoud, and Donald J. Wink, Inorg. Chim. Acta., 1997, 263, 231.
    57. "Diastereomeric Octahydronaphthoquinolizines." Bing Cai, Uanping Pan, Hangxia Qiu, John C. Dewan, Donald J. Wink, Randall J. Murphy, and David I. Schuster, Acta Cryst. Sect. C. 1994, c50, 609.
    58. "Octahydronaphthoquinolizines, a New Biologically Active Tetracyclic Ring System." Bing Cai, John C. Dewan, Donald J. Wink, Randall B. Murphy, and David I. Schuster, Tetrahedron Lett. 1993, 34, 2067.
    59. "Characterization and Application of Catalytic Regioselective Hydroformylation with a Cationic Bis(dioxaphospholane)rhodium Catalyst Precursor." Thomas J. Kwok and Donald J. Wink, Organometallics, 1993, 12, 1954.
    60. "Stereochemistry of [2+2] Photocycloaddition of Cyclic Enones to Alkenes: Structural and Mechanistic Considerations in Formation of Trans-Fused Cycloadducts." David I. Schuster, Nikolas Kaprinidis, Donald J. Wink, and John C. Dewan J. Org. Chem., 1991, 56, 561.
    61. "A Polyfunctional Chromium Arene Complex: Synthesis and Derivitization of Tricarbonyl( η6-1,4-epoxy-1,2,3,4-tetrahydronaphthalene)chromium (0)." Peter C. Nirchio and Donald J. Wink, Organometallics, 1991, 10, 2499.
    62. "Steric Factors in Neutral and Anionic Alkyne Complexes of Tungsten(0)" Donald J. Wink and N. John Cooper, Organometallics, 1991, 10, 494.
    63. "Efficient Synthesis of Substituted Derivatives of (Naphthalene)chromium(0) Carbonyls." Peter C. Nirchio and Donald J. Wink, Organometallics, 1991, 10, 336.
    64. ML4Diagram
    65. "Structural Evidence for Ligand Backbonding in Distortions from Octahedral Geometry of Complexes of d6-ML4 Fragments with π-Ligands." Donald J. Wink, Organometallics, 1991, 10, 442.
    66. "Anomolous carbonylation of [Pd(dppm)(O2CCF3)]2 to give an Asymmetric μ-CO Complex." Donald J. Wink, B. Timothy Creagan, and Steve Lee, Inorg. Chimica Acta, 1991, 180, 183.
    67. "Synthesis of Simple CrL4(alkyne) Complexes by Displacement of a Labile Cyclooctadiene Ligand." Donald J. Wink and B. Timothy Creagan, J. Amer. Chem. Soc., 1990, 112, 8585.
    68. "Photochemical Synthesis and Thermal Interconversion of mer and fac W(CO)3(P(OMe)34 -1,5-cyclooctadiene)." Donald J. Wink and Chang Kyeong Oh, Organometallics, 1990, 9, 2406.
    69. "Structure of (2,3-O-fluorenylidene)-L-tartrate." Donald J. Wink, Acta Cryst. 1990, 46B, 1058.
    70. "Charge Dependence of Fe(II)-Catalyzed DNA Damage." Min Lu, Qiu Guo, Donald J. Wink, and Neville R. Kallenbach, Nucl. Acids Res., 1990, 18, 3333.
    71. "Isolation and Characterization of a Labile Intermediate in the Nucleophilic Attack of Hydride on a Chromium Diene Complex: [NEt4][Cr(CO)3(P(OMe)3)(η3-Z-MeCHCHCH2)]." Nai-Fang Wang, Donald J. Wink, and John C. Dewan, Organometallics, 1990, 9, 335.
    72. "Qualitative Molecular Orbital Studies of d6-M(alkyne) 2L2 and d6-M(alkyne)3L Complexes." Donald J. Wink and B. Timothy Creagan, Organometallics, 1990, 9, 328.
    73. "Drug Binding by Branched DNA: Selective Interaction of Tetrapyridyl Porphyrins with and Immobile Junction." Min Lu, Robert F. Pasternack, Donald J. Wink, Nadrian C. Seeman, and Neville R. Kallenbach, Biochemistry, 1990, 26, 1614.
    74. "Structure of (Bis(diphenylphosphino)methane)bis(trifluoracetato)palladium(II)." Donald J. Wink, Acta Cryst. 1990, 46B, 56.
    75. "Practical Syntheses of Chelating Bis(dioxaphospholane) Ligands through Chlorodioxaphospholane Intermediates and Demonstration of Catalytic Competence of Bis(phosphite)rhodium Cations." Donald J. Wink, Thomas J. Kwok, and Allen Yee. Inorg. Chem., 1990, 29, 5006.
    76. "Substitution Reactions of mer-Cr(CO)3(P(OMe)3)(η4-1,5-cyclooctadiene); Ligand Effects on Diene Binding Preferences." Donald J. Wink, Nai-Fang Wang, and B. Timothy Creagan, Organometallics, 1989, 8, 561.
    77. "Regio- and Stereoselective Conversion of Chromium Dienes into Olefins via Anionic Allyl Complexes." Donald J. Wink, Nai-Fang Wang, and James P. Springer, Organometallics, 1989, 8, 259.
    78. JACS 1985 structure
    79. "One- and Two-Electron Reduction of a Chromium(0) Alkyne Complex and the Isolation of the Chromium(1 ) Product." Donald J. Wink, James R. Fox, and N. John Cooper, J. Amer. Chem. Soc., 1985, 107, 5012.
    80. "Exchange of Bridging and Terminal Hydrides in Co[(terpy)(H2BH2)]." Donald J. Wink and N. John Cooper, J. Chem. Soc. Dalton Trans., 1984, 1257.
    81. "Reinvestigation of the Reaction of tert-Butyllithium with Uranium Tetrachloride: Formation of Catalytically Active Uranium(III) Hydride Complexes." William J. Evans, Donald J. Wink, and David R. Stanley, Inorg. Chem., 1982, 21, 2565.
    82. "A Simple, Inexpensive Synthesis of Dipotassium Cyclooctetetraene." William J. Evans, Donald J. Wink, Andrea L. Wayda, and David Little, J. Org. Chem., 1981, 46, 3925.

    Patents

    1. U.S. No. 5,179,055. "Cationic Rhodium Bis(dioxaphophorus heterocycle) Complexes and Their Use in the Branched Product Regioselective Hydroformylation of Olefins." Donald J. Wink and Thomas J. Kwok, 1993.
    2. U.S. No. 5,260,491. "Cationic Rhodium Bis(dioxaphophorus heterocycle) Complexes and Their Use in the Branched Product Regioselective Hydroformylation of Olefins." Donald J. Wink and Thomas J. Kwok, 1993.