Asymmetric BINOL-Phosphate Derived Brønsted Acids: Development and Catalytic Mechanism Reporter: Song Feifei Supervisor: Prof. Yong Huang 2015.10.12 1.

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Presentation transcript:

Asymmetric BINOL-Phosphate Derived Brønsted Acids: Development and Catalytic Mechanism Reporter: Song Feifei Supervisor: Prof. Yong Huang

2 Outline  Introduction  Catalytic mechanism  Development  Overview of Catalysts  Summary  Looking Forward  Acknowledgment

Introduction 3 Akiyama, T. et al. Chem. Rev. 2015, 115, 9277.

Introduction 4 Terada, M. Chem. Commun., 2008, 4097.

Introduction 5 Rueping, M. et al. Chem. Rev. 2014, 114, 9047.

6 Catalytic Mechanism  Mono activation  Dual activation  Bifunctional activation  Counterion catalysis  Ligand Behavior in Presence of Metals  Independent relay processes in presence of metals

7 Mono / Dual Activation Rueping, M. et al. Angew. Chem. Int. Ed. 2011, 50, 6364.; Rueping, M. et al. Chem. Soc. Rev. 2011, 40,  Mono Activation  Dual Activation

8 Bifunctional Activation Goodman, J. M. et al. J. Org. Chem. 2011, 76, 1775.

9 Counterion Catalysis Rueping, M. et al. Chem. Rev. 2014, 114, 9047.

10 Behavior in Presence of Metals  Ligand or a counterion for the metals  Independent relay processes Rueping, M. et al. Chem. Eur. J. 2010, 16, 9350.; Alemán, J. et al. Org. Biomol. Chem. 2012, 10, 5001.; Luo, S. et al. Chem. Commun. 2013, 49, 847.

Development

Background 12 Jacques, J. et al. Tetrahedron Lett. 1971, 4617.

The Starting Seeds: Phosphinic Acids 13 Cornforth, J. Proc. R. Soc. London, Ser. B. 1978, 203, 101.

Asymmetric Synthesis Using Chiral Rhodium Phosphate 14 McKervey, M. A. et al. Tetrahedron Lett. 1992, 33, 5983.

15 Akiyama, T. et al. Angew. Chem. Int. Ed. 2004, 43, 1566.; Akiyama, T. et al. J. Am. Chem. Soc. 2007, 129, Mannich-Type Reaction by Akiyama

16 Catalytic Reaction Types Friedel-Crafts ReactionMannich 1,3-Diopolar Cycloaddition Miscellaneous Diels-Alder Transfer Hydrogenation BINOL PA Catalysis

17 Overview of Catalysts  Alternative variants of catalysts  General BINOL-PA  Miscellaneous chiral PA  Multiple chiral axis containing PA  N-Phosphoramide  N-Thiophosphoramide  Spiro PA

18 Alternative Variants of Catalysts

19 General BINOL-PA

20 MacMillan, D.W.C. et al. J. Am. Chem. Soc. 2006, 128, 84. General BINOL-PA

21 MacMillan, D.W.C. et al. J. Am. Chem. Soc. 2006, 128, 84. General BINOL-PA

22 Ackermann, L. et al. Synlett 2008, 995.; Akiyama, T. Angew. Chem. Int. Ed. 2008, 47, General BINOL-PA

23 Gong, L.-Z. et al. J. Am. Chem. Soc. 2006, 128, ; Gong, L.-Z. et al. Angew. Chem. Int. Ed. 2010, 49, General BINOL-PA

24 Gong, L.-Z. et al. J. Am. Chem. Soc. 2009, 131, General BINOL-PA

25 Luo, S. et al. Chem. Eur. J. 2012, 18, 799. General BINOL-PA

26 Luo, S. et al. Chem. Eur. J. 2012, 18, 799. General BINOL-PA  Stereocontrol  Regioselectivity control/Sunbstitution bias

27 General BINOL-PA

28 List.B. et al. Angew. Chem. Int. Ed. 2005, 44, 7424.; Shi.Y. et al. Org. Lett. 2011, 13, General BINOL-PA

29 Shi.Y. et al. Org. Lett. 2011, 13, General BINOL-PA

30 Rueping, M. et al. Chem. Commun. 2013, 49, General BINOL-PA

31 General BINOL-PA

32 Toste, F. D. et al. Science 2011, 334, General BINOL-PA

33 Toste, F. D. et al. Science 2011, 334, General BINOL-PA

34 Miscellaneous Chiral PA

35 Akiyama, T. et al. J. Am.Chem.Soc. 2011, 133, Miscellaneous Chiral PA

36 Akiyama, T. et al. J. Am.Chem.Soc. 2011, 133, Miscellaneous Chiral PA

37 Toste, F. D. et al. J. Am.Chem.Soc. 2013, 135, Miscellaneous Chiral PA

38 Toste, F. D. et al. J. Am.Chem.Soc. 2013, 135, Miscellaneous Chiral PA  Proposed chiral phosphate-catalyzed CDC

39 Miscellaneous Chiral PA

40 List, B. et al. Angew. Chem. Int. Ed. 2008, 47, Miscellaneous Chiral PA

41 Multiple Chiral Axis Containing PA

42 Gong, L.-Z. et al. J. Am.Chem.Soc. 2008, 130, Multiple Chiral Axis Containing PA

43 List, B. et al. Nature 2012, 483, 315. Multiple Chiral Axis Containing PA

44 Terada, M. et al. J. Am.Chem.Soc. 2011, 133, Multiple Chiral Axis Containing PA

45 N-Phosphoramide Catalysts

46 N-Phosphoramide Catalysts Yamamoto, H. et al. J. Am.Chem.Soc. 2006, 128, 9626.

47 N-Phosphoramide Catalysts Kim, S. et al. Tetrahedron Lett. 2009, 50, 3345.

48 N-Phosphoramide Catalysts List, B. et al. Angew. Chem. Int. Ed. 2010, 49, 9749.

49 N-Thiophosphoramide Catalysts

50 N-Thiophosphoramide Catalysts Yamamoto, H. et al. J. Am.Chem.Soc. 2008, 130, 9246.

51 Spiro PA

 Resolving agents / Promoters of rhodium catalyst / Organocatalysts  Brøsted acidic site / Lewis basic site  Functional-group-modified for steric / acidity / solubility Summary 52

 Mechanisms studies are still required for further progress.  Low catalyst loadings.  To grow the ability and scope of these catalysts.  Combined with other catalysis such as metals or light activation. Looking Forward 53

 Prof. Huang  Jiean Chen  All members here Thanks for your attention! Acknowledgment 54

[H 8 ]-PA Located transition state structures with distance parameters in angstroms and relative energies in enthalpy and free Energy in parentheses.

PA 2 56 Located transition state structures with distance parameters in angstroms and relative energies in enthalpy and free Energy in parentheses.

NTA 3 57 Yamamoto, H. et al. J. Am.Chem.Soc. 2008, 130,  Proposed mechanism of Brønsted acid catalyzed asymmetric protonations of silyl enol ethers