Koji Kubota @k0j1chem Twitter profile

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@LustforN4182

Koji Kubota

@k0j1chem

2 years

Our new @Mechanochem paper is out in @angew_chem ! Here we show that mechanochemistry allows the generation of calcium-based heavy Grignard reagents (Ar–CaX) from commercially available, unactivated calcium metal. Congrats to the team!!

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Koji Kubota

@k0j1chem

3 years

I'm pleased to announce that I have been promoted to Associate Professor at Hokkaido University! 本日付で北海道大学大学院工学研究院准教授を拝命いたしました。今後ともご指導・ご鞭撻のほどよろしくお願いいたします！

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Koji Kubota

@k0j1chem

2 years

Our paper on mechanochemically prepared Grignard reagents is finally out now in @NatureComms !! Congrats @rina_chemistry , @haj19932469 and the team! Great collaboration with Prof. Maeda @SatoshiMaeda15 , Prof. Jiang and Prof. Takaya!

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Koji Kubota

@k0j1chem

1 year

Finally out in @ChemicalScience !! Mechanochemistry opens new applications of organomanganese chemistry in synthesis. Congratulations to the team!

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Koji Kubota

@k0j1chem

3 months

Our paper on the Na-Birch reduction is out in @ChemicalScience . Although we have already developed a mechano Li-Birch protocol, simply replacing Li with Na does not lead to efficient Birch reductions. The key is the use of D-(+)-glucose as a proton source.

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Koji Kubota

@k0j1chem

2 years

The first synthesis of silicon-stereogenic optically active silylboranes!! @ChemRxiv

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Koji Kubota

@k0j1chem

1 year

Check out our latest @Mechanochem paper in @angew_chem ! Congrats to the team!! "Mechanochemical Approach for Air-Tolerant and Extremely Fast Lithium-Based Birch Reductions in Minutes" @haj19932469 @ICReDDconnect

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Koji Kubota

@k0j1chem

5 months

Check out our most recent publication in @J_A_C_S , collaborating with the Maeda group @ICReDDconnect , about a mechanochemical strategy for using commodity polymers as radical initiators. Congrats to all involved! @haj19932469

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Koji Kubota

@k0j1chem

1 year

Our new @Mechanochem paper is on @J_A_C_S !! Here we achieved mechanochemistry-directed ligand design, enabling highly efficient Pd catalysis in solid-state mechanochemical coupling. Thank you very much to all involved! @haj19932469

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Koji Kubota

@k0j1chem

2 years

Our new @Mechanochem paper was just posted on @ChemRxiv . Here we describe that mechanochemistry enables the generation of arylmanganese nucleophiles from commercial, unactivated manganese metal without any activating additives. Congrats to the team!

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Koji Kubota

@k0j1chem

2 years

Our work on solid-state coupling with carbazoles for the synthesis of functional organic materials is out in @ChemSusChem ! Poorly soluble substrates can be used as efficient coupling partners. Congratulations to the team!!

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Koji Kubota

@k0j1chem

4 months

Congratulations to all involved!! @ICReDDconnect @haj19932469 @J_A_C_S Ring Expansion of Cyclic Boronates via Oxyboration of Arynes

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Koji Kubota

@k0j1chem

8 months

In our recent @RSCAdvances paper, we demonstrate the potential of mechanochemical synthesis for efficient organic transformations of insoluble substrates into insoluble products. Congratulations to the team! @haj19932469

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Koji Kubota

@k0j1chem

3 years

Excited to share the latest work on our @Mechanochem in @J_A_C_S !! Tackling Solubility Issues in Organic Synthesis: Solid-State Cross-Coupling of Insoluble Aryl Halides

Tackling Solubility Issues in Organic Synthesis: Solid-State Cross-Coupling of Insoluble Aryl...

Conventional organic synthesis generally relies on the use of liquid organic solvents to dissolve the reactants. Therefore, reactions of sparingly soluble or insoluble substrates are challenging and...

pubs.acs.org

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Koji Kubota

@k0j1chem

3 years

Finally in my hands!! #mechanochemistry

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Koji Kubota

@k0j1chem

3 years

Our new enantioselective borylation of dialkyl ketimines has been published in @ACSCatalysis . Congratulations to all!!

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Koji Kubota

@k0j1chem

3 years

Finally our new paper on synthesis of hydrosilylboronates is out in @ChemicalScience . Congrats to the team!!

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Koji Kubota

@k0j1chem

1 year

Our new @Mechanochem paper is out in Synlett! Thank you for the invitation to publish in the Cluster "Special Issue Honoring Masahiro Murakami's Contributions to Science". Congratulations to Isshiki-sensei!! @haj19932469

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Koji Kubota

@k0j1chem

2 years

Delighted to share our new @Mechanochem paper on solid-state coupling of insoluble aryl halides under POLAG conditions. … Congrats to the team!!

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Koji Kubota

@k0j1chem

2 years

Our new paper on @Mechanochem is out in @ACSCatalysis ! Here we show that solid-state reaction environment facilitates cross-coupling of weakly nucleophilic polyfluorinated organoboron reagents. Congratulations to the team!!

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Koji Kubota

@k0j1chem

4 years

Our recent paper () has been highlighted in JACS Spotlights.

Selective Mechanochemical Monoarylation of Unbiased Dibromoarenes by in Situ Crystallization

Palladium-catalyzed Suzuki–Miyaura cross-coupling reactions of liquid, unbiased dibromoarenes under mechanochemical conditions selectively afford the monoarylated products. The lower reactivity of...

pubs.acs.org

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Koji Kubota

@k0j1chem

8 months

Now out in @NatureComms . Congrats to all involved! @haj19932469 @ICReDDconnect Stereospecific synthesis of silicon-stereogenic optically active silylboranes and general synthesis of chiral silyl Anions

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Koji Kubota

@k0j1chem

2 years

Solid-state borylation! Our new @Mechanochem paper is out in BJOC @BeilsteinInst . This is part of the thematic issue "Mechanochemistry III"! Editors: @JoseGHernand and @Borchardt_Group . Thank you so much for the invitation! Congrats to the team!

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Koji Kubota

@k0j1chem

9 months

Our @Mechanochem paper describing a cooperative catalytic system that involves mechanoredox and nickel catalysis is now out in @angew_chem !

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Koji Kubota

@k0j1chem

3 years

Excited to share our new paper on mechanoradical coupling for polymer functionalization!! Congratulations to the team!!

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Koji Kubota

@k0j1chem

9 months

My award account for CSJ Award for Young Chemists is out in BCSJ @CSJjournals_jp ! Exploring novel synthetic concepts and strategies using mechanochemistry @Mechanochem

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Koji Kubota

@k0j1chem

2 years

Our new @Mechanochem paper is out in Synlett @thiemechemistry !! Thank you very much for the great invitation to the Cluster, which is overseen by @Mechanophore and @TomislavRovis !

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Koji Kubota

@k0j1chem

4 years

Our latest work on @Mechanochem for in-situ crystallization-driven monoarylation of dibromoarenes is out in @J_A_C_S !! Mechanochemistry sheds light on a new approach to design selective transformations.

Selective Mechanochemical Monoarylation of Unbiased Dibromoarenes by in Situ Crystallization

Palladium-catalyzed Suzuki–Miyaura cross-coupling reactions of liquid, unbiased dibromoarenes under mechanochemical conditions selectively afford the monoarylated products. The lower reactivity of...

pubs.acs.org

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Koji Kubota

@k0j1chem

4 months

Our latest mechanochemistry paper out in @ChemicalScience ! Congrats to the team! @haj19932469 @ICReDDconnect "Solid-State Mechanochemistry for the Rapid and Efficient Synthesis of Tris-Cyclometalated Iridium(III) Complexes"

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Koji Kubota

@k0j1chem

2 years

Following Mack and Stolle's pioneering studies, here we present a highly efficient mechanochemical Sonogashira coupling using high-temperature ball milling. This work is now out in @ChemicalScience . Congratulations!

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Koji Kubota

@k0j1chem

4 years

Today, we published redox reactions using mechanical force for making small organic molecules in Science @sciencemagazine . Congratulations to the team!!!!

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Koji Kubota

@k0j1chem

4 years

Congrats to Ryosuke, Minami, Rikuro and the team!! General Synthesis of Trialkyl- and Dialkylarylsilylboranes: Versatile Silicon Nucleophiles in Organic Synthesis

General Synthesis of Trialkyl- and Dialkylarylsilylboranes: Versatile Silicon Nucleophiles in...

Compared to carbon-based nucleophiles, the number of silicon-based nucleophiles that is currently available remains limited, which significantly hampers the structural diversity of synthetically...

pubs.acs.org

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Koji Kubota

@k0j1chem

6 months

Steve in Kyoto! Had a great time at the @BuchwildGroup 's Japanese reunion last night!

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Koji Kubota

@k0j1chem

1 month

Our two new papers on mechanochemistry are now online @CSJjournals_jp on the same day. Congrats to all involved! ・Solid-state Nickel(0)-mediated Yamamoto Coupling ・Highly Efficient and Air-tolerant Calcium-based Birch Reduction

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Koji Kubota

@k0j1chem

3 years

Our recent work on the solid-state coupling of insoluble ary halides published in @J_A_C_S was introduced in @chemstation !! This is Japanese language only.

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Koji Kubota

@k0j1chem

1 year

Our recent @J_A_C_S paper on mechanochemistry-directed ligand design has been highlighted in @NatureSynthesis !! @MechChemPapers @PSeavill

Suzuki–Miyaura mechanochemistry

Nature Synthesis - Suzuki–Miyaura mechanochemistry

www.nature.com

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Koji Kubota

@k0j1chem

1 year

Our article on unexpected ligand effects in mechanochemical solid-state C-H borylation is out now @CSJjournals . Congrats to the team!!

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Koji Kubota

@k0j1chem

1 year

Thank you very much for this recognition. Working with @angew_chem is always a pleasure.

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Koji Kubota

@k0j1chem

4 years

Our paper on mechanoredox reactions has been highlighted in @academist_cf !! Very nice cover art. This is the japanease version only.

かなづちで叩くと酸化還元反応が進行する？ – 物理的な「力」を利用した新たな化学反応 | academist Journal

かなづちで叩くと酸化還元反応が進行する？ – 物理的な「力」を利用した新たな化学反応

academist-cf.com

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Koji Kubota

@k0j1chem

4 years

Our review article highlighting mechanochemical cross-coupling chemistry is finally out in Trends in Chemistry @TrendsChemistry !!

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Koji Kubota

@k0j1chem

1 year

Our recent mechano-Birch paper @angew_chem has been featured in @ScienceMagazine ! The Ultimate Birch Reduction? @Dereklowe

The Ultimate Birch Reduction?

www.science.org

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Koji Kubota

@k0j1chem

4 years

Congratulations, Pang, Joo Won, and Ito sensei!! "Solid-State Radical C–H Trifluoromethylation Reactions Using Ball Milling and Piezoelectric Materials"

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Koji Kubota

@k0j1chem

3 years

Congratulations to the Akiyama team for their paper just published in @J_A_C_S !!! A Copper(I)-Catalyzed Radical-Relay Reaction Enabling the Intermolecular 1,2-Alkylborylation of Unactivated Olefins

A Copper(I)-Catalyzed Radical-Relay Reaction Enabling the Intermolecular 1,2-Alkylborylation of...

The first catalytic intermolecular 1,2-alkylborylation reaction via a radical-relay mechanism between unactivated olefins, bis(pinacolato)diboron, and an alkyl electrophile is reported. Successful...

pubs.acs.org

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Koji Kubota

@k0j1chem

2 years

As @haj19932469 already shared, our paper on mechanochemical Grignard synthesis has been featured as the top 25 Nature Communications articles in chemistry and materials sciences published in 2021! Congrats to the team!!

2021 Top 25 Chemistry and Materials Sciences Articles

Browse the 25 most downloaded Nature Communications articles in chemistry and materials sciences published in 2021.

www.nature.com

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Koji Kubota

@k0j1chem

4 years

So excited to see the Cover Art for our paper published in @J_A_C_S !!

Selective Mechanochemical Monoarylation of Unbiased Dibromoarenes by in Situ Crystallization

Palladium-catalyzed Suzuki–Miyaura cross-coupling reactions of liquid, unbiased dibromoarenes under mechanochemical conditions selectively afford the monoarylated products. The lower reactivity of...

pubs.acs.org

Hajime Ito

@haj19932469

4 years

Our recent JACS paper has been shown in cover. #mechanochemistry

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Koji Kubota

@k0j1chem

5 years

Big thanks to @TomislavFriscic for visiting @HokkaidoUni and fruitful discussions with us!!

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Koji Kubota

@k0j1chem

4 years

Check out our latest mechanochemistry paper in @ACSSustainable . Thank you so much for the invitation to Special Issue entitled Advances in Mechanochemistry @Mechanochem !! Cograts to Rikuro and Minami!!

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Koji Kubota

@k0j1chem

4 years

Our paper was introduced in Japanese Scientists in Science 2019. …

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Koji Kubota

@k0j1chem

1 year

Congratulations to Mingoo-sensei and all involved!! @J_A_C_S @MingooJin @haj19932469 @ICReDDconnect

In Situ and Real-Time Visualization of Mechanochemical Damage in Double-Network Hydrogels by...

Visualization of mechanochemical damages, especially for those in the molecular-scale (e.g., bond scission in polymeric materials), is of great industrial and academic significance. Herein, we report...

pubs.acs.org

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Koji Kubota

@k0j1chem

4 years

Congratulations!! We are so proud!! おめでとう！ #PhD

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Koji Kubota

@k0j1chem

5 years

Check out our latest paper in @ChemicalScience where we present a broadly applicable Suzuki coupling in the solid state using mechanochemistry! Congrats Tamae!

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Koji Kubota

@k0j1chem

4 years

Congratulations to Keiichi!! Our new borylative dearomatization paper has been published in Org. Lett. @JOC_OL

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Koji Kubota

@k0j1chem

4 years

I'm very honored to be one of the invited speakers of INCOME2020 which will be held in Italy!!

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Koji Kubota

@k0j1chem

2 years

Thank you so much for highlighting our work, Martin @Silicon_Martin !!

Thieme Chemistry

@thiemechemistry

2 years

❇️ In this Synfact of the month Martin Oestreich ( @Silicon_Martin ) highlighted the ´Like a Rolling Stone! Mechanochemical Synthesis of Grignard Reagents in Air` by Kubota K, Ito H. and co-workers from ( @HokkaidoUni ). Read more about it 🧐 👉

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Koji Kubota

@k0j1chem

4 years

Congratulations to the team!!

Hajime Ito

@haj19932469

4 years

Our previous Angewandte paper has been selected as a cover page. #mechanochemistry

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Koji Kubota

@k0j1chem

5 years

Thank you so much for introducing our recent work on the cross- coupling using mechanochemistry @ChemistryWorld

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Koji Kubota

@k0j1chem

4 years

Well done, Sota and Syogo!! This is our new paper from the borylation team!!

Hajime Ito

@haj19932469

4 years

Our new fluoro-related borylation paper has been published in JOC. Congrats Sota Akiyama and Syogo Nomura!

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Koji Kubota

@k0j1chem

4 years

Really exicited to share our latest paper describing a new precatalyst design for cross-coupling published in @ChemCommun ! The catalyst can be easily prepared via #mechanochemistry ! Congrats @rina_chemistry !

Air- and moisture-stable Xantphos-ligated palladium dialkyl complex as a precatalyst for cross-co...

Although xantphos has been employed in a variety of palladium-catalyzed cross-coupling reactions, there has been little progress in developing Xantphos-ligated precatalysts. In this report, we...

pubs.rsc.org

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Koji Kubota

@k0j1chem

3 years

Congrats Mark! Really amazing chemistry! @LevinChem

Skeletal editing through direct nitrogen deletion of secondary amines

Nature - Nitrogen is ‘deleted’ from secondary amines using anomeric amide reagents, which react with the amine to form an isodiazene, after which nitrogen gas is released and the...

www.nature.com

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Koji Kubota

@k0j1chem

5 years

Dean is now visiting our university! Always fun to dicuss chemistry with him!!

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Koji Kubota

@k0j1chem

10 months

@YHoshimoto @CornellaLab @LabMurakami @SarlahLab Of course, we had ice cream and shaved ice at the top! This time was the best season! Let's keep tradition!

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Koji Kubota

@k0j1chem

1 month

@DzmitryKananov1 has already pioneered a mechanochemical protocol for Ca-based Birch reduction, setting a significant milestone in the field.

Mechanochemical Birch Reduction with Low Reactive Alkaline Earth Metals

Mechanochemical activation boosts reducing power of magnesium and calcium, allowing to utilize these metals as expedient reductants in ammonia-free Birch reaction in a ball mill at ambient conditions

onlinelibrary.wiley.com

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Koji Kubota

@k0j1chem

5 years

Congratulations to Minami on her first borylation paper using copper catalysis for the synthesis of boryl-tetrahydrofurans!

Synthesis of 2-alkyl-2-boryl-substituted-tetrahydrofurans via copper(I)-catalysed borylative...

A new method was developed for synthesizing 2-alkyl-2-boryl-tetrahydrofuran derivatives from aliphatic ketones using a copper(i)/N-heterocyclic carbene complex catalyst. This reaction presumably...

pubs.rsc.org

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Koji Kubota

@k0j1chem

5 years

Having great time with Prof. Dr. Eunsung Lee from POSTECH!

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Koji Kubota

@k0j1chem

7 years

博士論文が書籍になりました。約2万円です。

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Koji Kubota

@k0j1chem

5 years

Our latest paper on the synthesis of Pd OA complexes by mechanochemistry is out in Chem Sci! Congratulations Rina for all her hard work! #Mechanochem

Mechanochemistry allows carrying out sensitive organometallic reactions in air: glove-box-and-Sch...

Organic reactions that employ moisture- and/or oxygen-sensitive reagents or intermediates usually involve the use of glove-box or Schlenk-line techniques as well as dry and degassed solvents....

pubs.rsc.org

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Koji Kubota

@k0j1chem

4 years

メカノレドックス反応の2報目です。昨年見つかったこの反応を、ポスドクのPangくん、韓国からの訪問留学生のJoo Wonくんが論文としてきれいにまとめてくれました。メカノレドックスはまだまだわからないことが多いですが、少しずつ着実に前進しています。2人とも本当におめでとう！

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Koji Kubota

@k0j1chem

3 years

Congratulations!!

Mingoo Jin

@MingooJin

3 years

At the end of 2020, it is my pleasure to share our recent work on NHC crystalline molecular rotors in @J_A_C_S . Check out the detail from … Congratulations to all our team members and so great collaboration with @migarciagaribay @GaribayLab !!

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Koji Kubota

@k0j1chem

5 years

Congrats to Sota on our new paper describing a novel approach to costruct a F-substituted stereogenic quaternary center! Collabo with the Hoveyda group

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Koji Kubota

@k0j1chem

8 years

すげー反応を偶然見つけた。NMR取りながら久々に震えた。メカニズムは謎！

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Koji Kubota

@k0j1chem

6 years

JACSにほぼアクセプト！！

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Koji Kubota

@k0j1chem

8 years

紹介されました！！ありがとうございます！！

Chem-Station

@chemstation

8 years

インドールの触媒的不斉ヒドロホウ素化反応の開発 | スポットライトリサーチ

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Koji Kubota

@k0j1chem

7 years

ボストンでの新生活も早3ヶ月！

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Koji Kubota

@k0j1chem

2 years

Carrow () and Korenaga, Sakai ( ) have already developed efficient catalytic systems for cross-coupling of polyfluorinated arylboron reagents under solution conditions. Please also check these pioneering studies!

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Koji Kubota

@k0j1chem

1 year

@YHoshimoto 星本さん、ありがとうございます！！

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Koji Kubota

@k0j1chem

6 years

Toste研での論文がようやとアクセプト！！

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Koji Kubota

@k0j1chem

8 years

どーん。明日から新たな気持ちで研鑽を積みたいと思います。

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Koji Kubota

@k0j1chem

7 years

UCバークレーでの全日程終了。論文とSIをDeanに送りつけた。来月には投稿したい。明日からポスドク第二部、ボストンへ！

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Koji Kubota

@k0j1chem

7 years

Berkeleyでの論文を先ほど投稿！ファーストです。早く世に出ますよーに。。

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Koji Kubota

@k0j1chem

8 years

新4年生ラボ配属歓迎会。とうとう5歳下。平成6年生まれって、、

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Koji Kubota

@k0j1chem

3 years

Thanks!!

Balaji Ganesan

@dr_g_balaji

3 years

@k0j1chem Looks colorful and amazing cover page.

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Koji Kubota

@k0j1chem

3 years

@Takephos @FukuiNorihito @Mechanochem @J_A_C_S Thank you so much! We hope this approach will greatly expand chemical space in materials science! 武田先生、コメントしていただき大変ありがとうございます。ぜひいつかディスカッション・ご指導いただけたら幸いです。

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Koji Kubota

@k0j1chem

2 years

@Liela_Romero @J_A_C_S @AlexandraLubaev Congratulations!

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Koji Kubota

@k0j1chem

7 years

バークレーでの仕事、リバイス投稿！納得の出来になった。MITの研究も、もうすぐ投稿予定！

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Koji Kubota

@k0j1chem

2 years

@KrunoslavU @HokkaidoUni @MechSustInd @haj19932469 @FraPuccetti Yes, me too!! Really hope we can meet soon! He is an exceptional student and has alreally done excellent works here!

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Koji Kubota

@k0j1chem

2 years

@ytani_ou 谷先生、ありがとうございます！安全面には十分ケアをして、慎重に条件とスケールを選択していくようにしています。もちろん、危なそうなやつは僕自身でまずやってみて確認しています。

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Koji Kubota

@k0j1chem

8 years

世界のDaisoが僕を救ってくれました。1.5ドルだけど許す。

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Koji Kubota

@k0j1chem

2 years

@TomislavFriscic @NatureChemistry @TH_Borchers @filip_to @hatemtiti85 @mcgillu Congratulations, Tomislav!!

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Koji Kubota

@k0j1chem

3 years

@StolarTomislav @Mechanochem @J_A_C_S Thanks so much!!

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Koji Kubota

@k0j1chem

7 years

明日、ボストンでケムステ代表と飲み！

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Koji Kubota

@k0j1chem

2 years

@SmartMat2 @Mechanochem @thiemechemistry @Mechanophore @TomislavRovis Thanks so much!!

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Koji Kubota

@k0j1chem

1 year

@StolarTomislav @Mechanochem @J_A_C_S @haj19932469 Thank you, Tomislav!

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Koji Kubota

@k0j1chem

3 years

That's outstanding!!

Guillaume De Bo

@GuillaumeDeBo

3 years

A nice way to start the year 🥳 We’ve uncovered a dynamic isotope effect in the activation of a mechanophore. Read Rob’s excellent work in @J_A_C_S now.

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Koji Kubota

@k0j1chem

4 years

メカノケミストリーの研究のなかで、偶然副生成物として単離した錯体が主役の論文。スピンオフ的な研究です。D1高橋さんにとって初めての第一著者論文です。おめでとう！

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