Satoshi Takebayashi

Open Positions

I am looking for postdocs with independent funding, such as JSPS and Canon fellowships. Those who are interested in organometallic chemistry and homogeneous catalysis, please contact satoshi.takebayashi@oist.jp

I'm also looking for a part time lab technician (2-5 days/week, 6 hours/day, 1000-1400 yen/hour, l,300,000 yen/year). Please contact me for more detail satoshi.takebayashi@oist.jp

Profile

Satoshi Takebayashi

Science and Technology Associate (2017-)

2016-2017 Senior intern at Weizmann Institute of Science in D. Milstein lab

2012-2016 Postdoc at Weizmann Institute of Science in D. Milstein lab

2011-2012 Research assistant at Waseda University in T. Shibata lab

2006-2011 Ph.D. at University of Alberta in S. H. Bergens lab

2001-2005 B.S. at Waseda University 

satoshi.takebayashi

Research projects

New Strategies to Activate dinitrogen N₂

The most abundant gas on earth, dinitrogen N₂, is the ultimate source of nitrogen for living organisms. Despite its abundance, N₂ cannot be directly metabolized by most of the organisms due to its stability. Currently, N₂ is converted industrially into biologically available form, ammonia NH₃, using an energy-intensive method developed in 1909. Thus, chemists have been searching for a sustainable alternative method for decades. One of the possible alternative is the utilization of homogeneous catalysts that can be much more efficient than current heterogeneous catalyst. However, no homogeneous catalyst for the production of ammonia from N₂ and molecular hydrogen H₂ is known to date partly due to the lack of a coordination mode of N₂ to transition metal that allows reaction with H₂ and catalytic turnover. In this project, we are going to develop a new coordination mode of N₂ to develop the first homogeneous hydrogenation of N₂.

Sustainable Chemistry with Base Metal Catalysis

Precious metals such as, ruthenium (Ru), rhodium (Rh), palladium (Pd), iridium (Ir), and platinum (Pt), are known to form very active, and selective catalysts, and are used widely in chemical industry. However, such precious metals are costly. Furthermore, depletion of precious metals are expected in future due to ever increasing use of it. Base metals such as, molybdenum (Mo), manganese (Mn), iron (Fe), cobalt (Co), and nickel (Ni) are cheap, and abundant, however it is known to be more difficult to study as it is often paramagnetic. In this project, we are developping unprecidented catalytic reactions catalyzed by base metal complexes.

Selected Publications (My Google Scholar page is here.)

9. [Co(NHC)(CO)₃]: Isolation and Reactivity Study of a Model 17-Electron Species in the Oxo Process.  

Takebayashi, S.; Fayzullin, R. R.

Organometallics 2021, 

6. Base-Catalyzed Bifunctional Addition to Amides and Imides at Low Temperature. A New Pathway for Carbonyl Hydrogenation

John, J. M.; Takebayashi, S.; Dabral, N.; Miskolzie, M.; Bergens S. H.

J. Am. Chem. Soc. 2013, 135, 8578-8584.

5. Rh(III)-catalyzed directed C–H bond amidation of ferrocenes with isocyanates

Takebayashi, S.; Shizuno, T.; Otani, T.; Shibata, T.

Beilstein. J. Org. Chem. 2012, 8, 1844-1848.

4. [Ir(cod)2]BARF-Catalyzed C−H Bond Alkenylation and Alkylation of Ferrocenes

Takebayashi, S.; Shibata, T. 

Organometallics 2012, 31, 4114-4117.

3. Experimental Investigations of a Partial Ru–O Bond during the Metal–Ligand Bifunctional Addition in Noyori-Type Enantioselective Ketone Hydrogenation 

Takebayashi, S.; Dabral, N.; Miskolzie, M.; Bergens, S. H. 

J. Am. Chem. Soc. 2011, 133, 9666-9669.

2. Desymmetrization of meso-Cyclic Imides via Enantioselective Monohydrogenation

Takebayashi, S.; John, J. M.; Bergens, S. H. 

J. Am. Chem. Soc. 2010, 132, 12832-12834.

1. Facile Bifunctional Addition of Lactones and Esters at Low Temperatures. The First Intermediates in Lactone/Ester Hydrogenations

Takebayashi, S.; Bergens, S. H. 

Organometallics 2009, 28, 2349-2351.

Lab equipment

mBraun Unilabplus Glovebox with four gloves

Shimazu Gas Chromatograph GC2014 equipped with TCD (Shincarbon ST column, 2m x 3mm) and FID detectors (Astec Chiraldex® B-DM column, 30m x 0.25mm).

A 180cm width fumehood equipped with a standard Schlenk maniford, stirrers, oil baths etc.

Buchi Rotavapor R-215 system equipped with an automatic vacuum controller, and a chiller.

Thermo Scientific Nicolet iS5 FTIR spectrometer

Agilent 8860 GC/5977B MSD GCMS system