Synthesis of (+)-Saxitoxin Fleming, J. J. ; Du Bois, J. Am. Chem. Soc

Slides:



Advertisements
Similar presentations
Total Synthesis of (+)-Saxitoxin
Advertisements

O RTHO VS I PSO : S ITE -S ELECTIVE P D AND N ORBORNENE -C ATALYZED A RENE C−H A MINATION U SING A RYL H ALIDES Zhe Dong and Guangbin Dong J. Am. Chem.
Chem 3000 February 26 th, 2009 Literature Presentation “Towards Uranium Catalysts” Fox, A.R; Bart, S.C; Meyer, K; Cummins, C.C.
1 CH402 Asymmetric catalytic reactions Prof M. Wills Think about chiral centres. How would you make these products? Think about how you would make them.
I. Metal Based Reagents. II Non-Metal Based Reagents III. Epoxidations Oxidations.
Palladium Catalyzed C-N Bond Formation Jenny McCahill
Synthesis of [MoCp(CO) 2 (COCH 3 )(P(n-Bu) 3 )] : Investigation of an Air-Sensitive Migratory-Insertion Acknowledgments I’d like to thank the Advanced.
Complex N-Heterocycle Synthesis via Iron-Catalyzed, Direct C-H Bond Amination Elisabeth T. Hennessy & Theodore A. Betley* Science 2013, 340, 591 Also featured.
CAREER: Gold Nanoparticles with Single Copy of Functional Groups: Synthesis and Study Qun Huo, University of Central Florida, DMR Chemical synthesis.
Application of Organometallic Chemistry – Breaking the Inert C-H Bond
Olefin Metathesis and Use in Tandem Reactions - The Work of Marc L. Snapper James Mousseau Literature Meeting 6 May
Sigma-bond metathesis
Recent Progress in sp 3 C-H Activation Catalyzed by Palladium Bo Yao.
Department of Chemistry Seminar Announcement Date/Time/VenueTitle/Speaker 20 Jan (Thu) 10am – S8 Level 3 Executive Classroom Directed Assembly of.
The Kinetic Study of Oxidation Reactions of (TDFPP)FeIVO, Model Compound of Heme Iron Center in Cytochrome P450 Se Ryeon Lee Department of Chemistry Johns.
Wangqing Kong Zhu’s group meeting 13 th, Aug, 2015 Intramolecular Asymmetric Heck Reaction and Application in Natural Products Synthesis.
Buchwald-Hartwig Cross Coupling Reaction Reporter: Ying-Chieh CHAO Lecturer: Professor Guey-Sheng Liou Advisor: Professor Ru-Jong Jeng Data:2013/12/27.
Molecular modeling of protein-ligand interactions: Detailed simulations of a biotin-streptavidin complex Prof. Terry P. Lybrand Vanderbilt University Center.
• Discovered in 1968 independently by Mizoroki and Heck
Catalytic Enantioselective Allylic Amination of Unactivated Terminal Olefins Via an Ene Reaction / [2,3]-Rearrangement Hongli Bao & Uttam K. Tambar Guillaume.
Total synthesis of 6-Deoxyerethronolide B CHEM 635 Kelsey Roberts 05/07/13 Gao, X.; Woo, S.K.; Krische M.J. J. Am. Chem. Soc. 2013, 135, 4223.
Photocatalytic and Electrocatalytic Reduction of CO 2 to CO by Polypyridyl Complexes Isfahan University of Technology Department of Chemistry H. Hadadzadeh.
High-Oxidation-State Palladium Catalysis 报告人:刘槟 2010 年 10 月 23 日.
Effects of Reactant Rotational excitation on Cl + CH 4 / CHD 3 Reactions Speaker: Huilin Pan Supervisor: Kopin Liu 69 th ISMS, June 16-20, 2014.
Carbenes and Nitrenes: Application to the Total Synthesis of (–)-Tetrodotoxin Effiette Sauer March 18 th 2004 Hinman, A.; Du Bois, J. J. Am. Chem. Soc.
Rhodium-Catalyzed Chemo- and Regioselective Decarboxylative Addition of β- Ketoacids to Allenes: Efficient Construction of Tertiary and Quaternary Carbons.
Organic Pedagogical Electronic Network C–H bond Hydroxylation at Non-Heme Carboxylate-Bridged Diiron Centers Omar Villanueva, Cora MacBeth Emory University.
The total synthesis of (-)-cyanthiwigin F by means of double catalytic enantioselective alkylation J.A. Enquist, Jr., B.M. Stoltz, Nature 2008,453,1228.
Asymmetric Total Synthesis of Caribenol A Author: Zhen Yang J. Am. Chem. Soc. 2010, 132, Presented by Daniel Roberts April 6 th 2014.
Catalysis.
The Work Of Pr Karl A. Scheidt Group Department of Chemistry, Northwestern UniVersity, Evanston.
金属催化的氧化反应 CYP 450TauD Acc. Chem. Res. 2007, 40, 522–531.
Organic Pedagogical Electronic Network Reaction Monitoring using Mass Spectrometry Cornelia Flender and Richard Zare, Stanford University.
Light and Palladium Induced Carbonylation Reactions of Alkyl Iodides Mechanism and Development Pusheng Wang Gong Group Meeting April 12 th 2014.
Organic Pedagogical Electronic Network An Introduction to Catalytic Nitrene C–H Oxidation Ashley M. Adams, Justin Su, And J. Du Bois.
Reporter: Yang Chao Supervisor: Prof. Yong Huang The Transformation of α ‑ Diazocarbonyl Compounds.
Rychnovsky’s Formal Synthesis of Leucascandrolide A Presented by BriAnne Bentivegna March 19, 2013 University of Delaware Kopecky, D.J.; Rychnovsky, S.D.
C-H Insertion Story Justin Du Bois associate professor : University of Stanford B.S. : University of California at Berkeley (1992) Ph.D. : California Institute.
Organic Pedagogical Electronic Network Developing Mathematical Relationships to Understand and Optimize Reaction Outcomes Elizabeth Bess & Matthew Sigman.
Enantioselective Reactions Catalyzed by Iron Complexes Pablo Pérez.
Selected examples of Domino Reactions in Total Synthesis Dagoneau Dylan Zhu Group Frontiers in Chemical Synthesis May 22 th, 2014.
Palladium-catalysed reactions involving isocyanides Reporter: Xinzheng Chen Supervisor: Prof. David Zhigang Wang
1 Synthesis of Organometallic Compounds Advanced Inorganic Chemistry 92/2.
Erin M. Duffy, Brett M. Marsh, Jonathan M. Voss, Etienne Garand University of Wisconsin, Madison International Symposium on Molecular Spectroscopy June.
Photocatalysis based on TiO2
Catalytic activation of carbon-carbon bonds in cyclopentanones
Carboxypeptidase A Sanketh Proddutur.
C-H Functionalization: Shilov Chemistry
Enzymes Section 1.4.
Scheme 5. Direct lactonization via C–H activation.
“Synthesis of 12-S-HETE using asymmetric phase-transfer catalysis” Spring 2009 ACS Meeting Mike A. Christiansen, Merritt B. Andrus Brigham Young University.
Presented by Guillaume Pelletier. March 11th 2008.
Volume 19, Issue 7, Pages (July 2012)
Superbisor: Yong Huang
Chapter 10 Chem 341 Suroviec Fall 2016.
学堂讲座通知 化学系 Prof. Liming Zhang 加州大学Santa Barbara分校
Enantioselective Rh-catalyzed Aldehyde C-H Activation
(1x3) bilayer Gold monolayer film on the TiOx surface
Baeyer-Villiger Oxidation: Mechanism and Enantioselective Systems
Chapter 5 The Working Cell.
Development of Catalytic Reactions using Well-Defined Monomeric Cu(I)
Dynamics of Protein Molecules: Modeling and Applications
Flavin-containing monooxygenases (FMOs)
Deciphering Reaction Mechanism with Intermediate Trapping
Zach Niemeyer, Justin Salvant University of Utah
Volume 19, Issue 11, Pages (November 2012)
Stepwise Water Splitting: Thermal H2 and Light-Induced O2 Liberation
Elizabeth Bess & Matthew Sigman University of Utah
1. Palladium Catalyzed Organic Transformations
Volume 19, Issue 7, Pages (July 2012)
Presentation transcript:

Synthesis of (+)-Saxitoxin Fleming, J. J. ; Du Bois, J. Am. Chem. Soc Songnan Zhang 04/02/2013 2019/5/11

Justin Du Bois B.S. 1992, University of California at Berkeley Ph.D. 1997, California Institute of Technology NIH Postdoctoral Fellow, 1997-1999 Massachusetts Institute of Technology Tetrahedron Young Investigator Award, 2008 John A. and Cynthia Fry Gunn University Fellows in Undergraduate Education, 2011 2019/5/11

Publish: 1) “Modular Synthesis of the Pentacylic Core of Batrachotoxin and Select Batrachotoxin Analogue Designs,” A.S. Devlin, J. Du Bois, Chem. Sci., 4, 1059-1063 (2013)  2) “A Designed Inhibitor of a CLC Antiporter Blocks Function Through a Unique Binding Mode,” A.E. Howery, S. Elvington, S.J. Abraham, K.-H. Choi, S. Philips, C.M. Ryan, R.L. Sanford, S. Simpson-Dworschak, J. Almqvist, K. Tran, T.A. Chew, U. Zachariae, O.S. Andersen, J. Whitelegge, K. Matulef, J. Du Bois, M. Maduke, Chem. Biol., 19, 1460-1470 (2013)  3) “Capturing Fleeting Intermediates in a Catalytic C–H Amination Reaction Cycle,” R.H. Perry, T.J. Cahill III, J.L. Roizen, J. Du Bois, R. Zare, Proc. Natl. Acad. Sci. USA, 109, 18295-18299 (2012)  4) “Marked Difference in Saxitoxin and Tetrodotoxin Affinities for the Human Nociceptive Voltage-gated Sodium Channel (NaV1.7),”  J.R. Walker, P. Novick, W.A. Parsons, M. McGregor, J. Zablocki, V.S. Pande, J. Du Bois, Proc. Natl. Acad. Sci. USA, 109, 18102-18107 (2012)  5) “Fluorescent Saxitoxins for Live Cell Imaging of Voltage-gated Sodium Ion Channels Beyond the Optical Diffractin Limit,” A.E. Ondrus, H.-l.D. Lee, S. Iwanaga, W.H. Parsons, B.M. Andresen, W.E. Moerner, J. Du Bois, Chem. Biol., 19, 902-912 (2012)  6) “Metal-Catalyzed Nitrogen-Atom Transfer Methods for the Oxidation of Aliphatic C–H Bonds,” M.E. Harvey, J.L. Roizen, Acc. Chem. Res., 45, 911-922 (2012)  7) “Catalytic C–H Oxidation by a Triazamacrocyclic Ruthenium Complex,” E. McNeill, J. Du Bois, Chem. Sci., 3, 1810-1813 (2012)  8) “A Diruthenium Catalyst for Selective, Intramolecular Allylic C–H Amination:  Reaction Development and Mechanistic Insight Gained Through Experiment and Theory,” M.E. Harvey, D.G. Musaev, J. Du Bois, J. Am. Chem. Soc., 133, 17207-17216 (2011) 2019/5/11

Retrosynthesis 2019/5/11

2019/5/11

2019/5/11

2019/5/11

2019/5/11

QUESTIONS? 2019/5/11