Publications

(19) Lewis acid–base synergistic catalysis of cationic halogen-bonding-donors with nucleophilic counter anions

Koki Torita, Ryosuke Haraguchi,* Yoshitsugu Morita, Satoshi Kemmochi,

Teruyuki Komatsu, Shin-ichi Fukuzawa*

Chem. Commun. 2020, 56, 9715−9718

(18) Silver-Catalyzed Diastereo- and Enantioselective Michael Addition and 1,3-Dipolar Cycloaddition Reactions of Imino Esters to 3‑Methyl-4-nitro-5-styrylisoxazoles

Shuma Kato, Yuko Suzuki, Kota Suzuki, Ryosuke Haraguchi, Shin-ichi Fukuzawa*

J. Org. Chem. 2018, 83, 13965−13972

(17) Bulky iodotriazolium tetrafluoroborates as highly active halogen-bonding-donor catalysts

Ryosuke Haraguchi,* Shun Hoshino, Munenori Sakai, Sho-go Tanazawa, Yoshitsugu Morita, Teruyuki Komatsu, Shin-ichi Fukuzawa*

Chem. Commun. 2018, 54, 10320−10323

(16) Transition-Metal-Free Formylation of Allylzinc Reagents Leading to a–Quaternary Aldehydes

Ryosuke Haraguchi,* Akinori Kusakabe, Nakaba Mizutani, Shin-ichi Fukuzawa*

Org. Lett. 2018, 20, 1613−1616

(15) Palladium-Catalyzed Formylation of Alkenylzinc Reagents with S-(4-Nitrophenyl) Thioformate

Ryosuke Haraguchi,* Sho-go Tanazawa, Naoya Tokunaga, Shin-ichi Fukuzawa*

Eur. J. Org. Chem. 2018, 1761−1764

(14) Chiral Triazolylidene-Pd-PEPPSI: Synthesis, Characterization, and Application in Asymmetric Suzuki-Miyaura Cross-Coupling

Ryosuke Haraguchi,* Shun Hoshino, Tatsuro Yamazaki, Shin-ichi Fukuzawa*

Chem. Commun. 2018, 54, 2110−2113

(13) Synthesis of Ferrocene-Fused Pyrans through Alkynoxy- Directed C–H Activation/Cyclization

Takashi Mitsui, Yuichiro Tokoro, Ryosuke Haraguchi, Kengo Sugita, Masato Harada, Shin-ichi Fukuzawa,* Yasunori Minami, Tamejiro Hiyama*

Bull. Chem. Soc. Jpn. 2018, 91, 839−845

(12) Metal Complex-Controlled Regio-, Diastero- and Enantioselective 1,3-Dipolar Cycloaddition of Azomethine Ylides with Benzo[b]thiophene Sulfones

Masato Harada, Shuma Kato, Ryosuke Haraguchi, Shin-ichi Fukuzawa*

Chem. -Eur. J. 2018, 24, 2580−2583

(11) Nanocomposite Gels by Initiator-Free Photopolymerization: Role of Plasma-Treated Clay in the Synthesis and Network Formation

Kazutoshi Haraguchi,* Tetsuo Takada, Ryosuke Haraguchi

ACS Appl. Nano Mater. 2018, 1, 418−425

(10) Chiral Silver Complex-Catalyzed Diastereoselective and Enantioselective Michael Addition of 1-Pyrroline-5-carboxylates to a-Enones

Akihiro Koizumi, Masato Harada, Ryosuke Haraguchi, Shin-ichi Fukuzawa*

J. Org. Chem. 2017, 82, 8927−8932

(9) Palladium-Catalyzed Formylation of Arylzinc Reagents with S-Phenyl Thioformate

Ryosuke Haraguchi,* Sho-go Tanazawa, Naoya Tokunaga, and Shin-ichi Fukuzawa*

Org. Lett. 2017, 19, 1646−1649

(8) Silver-catalyzed diastereo- and enantioselective Michael additions of 2-oxazoline- and 2-thiazoline-4-carboxylate to nitroalkenes

Akihiro Koizumi, Yukiko Matsuda, Ryosuke Haraguchi, Shin-ichi Fukuzawa*

Tetrahedron Asymmetry; 2017, 28, 428−432

(7) Ligand-Controlled Stereodivergent, Enantioselective Conjugate Addition of 2-Oxazoline- and 2-Thiazoline-4-carboxylate to Nitroalkene Catalyzed by Chiral Copper Complexes

Yukiko Matsuda, Akihiro Koizumi, Ryosuke Haraguchi, Shin-ichi Fukuzawa*

J. Org. Chem. 2016, 81, 7939−7944

(6) Chemo- and Regioselective Preparation of Zinc Enolate from Thiol Esters by Palladium Catalyzed Cross-Coupling Reaction

Ryosuke Haraguchi, Zenichi Ikeda, Akihiro Ooguri, Seijiro Matsubara*

Tetrahedron 2015, 71, 8830−8837

(5) Preparation of an Arenylmethylzinc Reagent with Functional Groups by Chemoselective Cross-Coupling Reaction of Bis(iodozincio)methane with Iodoarenes

Yukako Shimada, Ryosuke Haraguchi, Seijiro Matsubara*

Synlett 2015, 26, 2395−2398

(4) Preparation of Cycloheptane Ring by Nucleophilic Cyclopropanation of 1,2-Diketones with Bis(iodozincio)methane

Ryosuke Haraguchi, Yoshiaki Takada, Seijiro Matsubara*

Org. Biomol. Chem. 2015, 13, 241−247

(3) Preparation of the Zinc Enolate Equivalent of Amides by Zinciomethylation of Isocyanates: Catalytic Asymmetric Reformatsky-Type Reaction

Ryosuke Haraguchi, Seijiro Matsubara*

Synthesis 2014, 46, 2272−2282

(2) Catalytic Asymmetric Aldol-Type Reaction of Zinc Enolate Equivalent of Amides

Ryosuke Haraguchi, Seijiro Matsubara*

Org. Lett. 2013, 15, 3378−3380

(1) Rapid Preparation of Cycloheptane Ring from 1,2-Diketone and Bis(iodozincio)methane via Oxy-Cope Rearrangement Using Microflow System

Ryosuke Haraguchi, Yoshiaki Takada, Seijiro Matsubara*

Chem. Lett. 2012, 41, 628−629