Open Access Helper

OpenAlex Citation Counts

OpenAlex Citations Logo

OpenAlex is a bibliographic catalogue of scientific papers, authors and institutions accessible in open access mode, named after the Library of Alexandria. It's citation coverage is excellent and I hope you will find utility in this listing of citing articles!

If you click the article title, you'll navigate to the article, as listed in CrossRef. If you click the Open Access links, you'll navigate to the "best Open Access location". Clicking the citation count will open this listing for that article. Lastly at the bottom of the page, you'll find basic pagination options.

Requested Article:

Enantioselective Reaction of 2H-Azirines with Oxazol-5-(4H)-ones Catalyzed by Cinchona Alkaloid Sulfonamide Catalysts
Kazuki Fujita, Masataka Miura, Yasuhiro Funahashi, et al.
Organic Letters (2021) Vol. 23, Iss. 6, pp. 2104-2108
Closed Access | Times Cited: 22

Showing 22 citing articles:

Copper-Catalyzed Enantioconvergent Radical N-Alkylation of Diverse (Hetero)aromatic Amines
Xuan‐Yi Du, Jia‐Heng Fang, Ji‐Jun Chen, et al.
Journal of the American Chemical Society (2024) Vol. 146, Iss. 13, pp. 9444-9454
Closed Access | Times Cited: 10
Enantioselective Pictet–Spengler Reaction of Acyclic α-Ketoesters Using Chiral Imidazoline-Phosphoric Acid Catalysts
Shuichi Nakamura, Yoichiro Matsuda, Tsunayoshi Takehara, et al.
Organic Letters (2022) Vol. 24, Iss. 4, pp. 1072-1076
Closed Access | Times Cited: 38
Accessing unnatural α-amino acids with tetrasubstituted stereogenic centersviacatalytic enantioselective reactions of ketimine-type α-iminoesters/α-iminoamides
Naoki Yasukawa, Shuichi Nakamura
Chemical Communications (2023) Vol. 59, Iss. 54, pp. 8343-8374
Closed Access | Times Cited: 14
Synthesis of α‐Quaternary β‐Lactams via Copper‐Catalyzed Enantioconvergent Radical C(sp3)−C(sp2) Cross‐Coupling with Organoboronate Esters
Fuli Wang, Lin Liu, Chang‐Jiang Yang, et al.
Angewandte Chemie International Edition (2022) Vol. 62, Iss. 2
Closed Access | Times Cited: 22
Enantiodivergent Reaction of Ketimines with Malononitriles Using Single Cinchona Alkaloid Sulfonamide Catalysts
Shuichi Nakamura, Natsuki Matsumoto, Masato Kibe, et al.
Advanced Synthesis & Catalysis (2021) Vol. 364, Iss. 4, pp. 781-786
Closed Access | Times Cited: 25
Enantioselective Reaction of N-Unprotected Activated Ketimines with Phosphine Oxides Catalyzed by Chiral Imidazoline-Phosphoric Acids
K. Ogura, Itsuki Isozumi, Tsunayoshi Takehara, et al.
Organic Letters (2022) Vol. 24, Iss. 43, pp. 8088-8092
Closed Access | Times Cited: 16
Enantioselective Vinylogous Mannich Reaction of Acyclic Vinylketene Silyl Acetals with Acyclic Ketimines
K. Ogura, Tsunayoshi Takehara, Takeyuki Suzuki, et al.
Advanced Synthesis & Catalysis (2021) Vol. 363, Iss. 19, pp. 4544-4548
Closed Access | Times Cited: 20
Asymmetric synthesis of tetrasubstituted cyclic amines via aza-Henry reaction using cinchona alkaloid sulfonamide/zinc(ii) catalysts
Naoki Yasukawa, Ami Yamanoue, Tsunayoshi Takehara, et al.
Chemical Communications (2021) Vol. 58, Iss. 9, pp. 1318-1321
Closed Access | Times Cited: 16
Organocatalytic Stereoselective Decarboxylative Addition of α‐Amido Malonic Acid Half Oxyesters to Isatins
Kazuki Fujita, Ibuki Kumazawa, Jyunpei Yokoi, et al.
Advanced Synthesis & Catalysis (2024) Vol. 366, Iss. 3, pp. 438-443
Closed Access | Times Cited: 2
Enantioselective Construction of Consecutive Tetrasubstituted Stereogenic Centers by Reaction of α-Substituted β-Nitroacrylates with Oxazol-5-(4H)-ones Catalyzed by Cinchona Alkaloid Sulfonamide Catalysts
Kazuki Fujita, Momona Hattori, Tsunayoshi Takehara, et al.
Organic Letters (2023) Vol. 25, Iss. 16, pp. 2835-2839
Closed Access | Times Cited: 6
Enantio- and Diastereoselective Copper-Catalyzed Synthesis of Chiral Aziridines with Vicinal Tetrasubstituted Stereocenters
Fang Xie, Jie Zhao, Deyue Ren, et al.
Organic Letters (2023) Vol. 25, Iss. 47, pp. 8530-8534
Closed Access | Times Cited: 6
One-Pot Friedel–Crafts/Robinson–Gabriel Synthesis of the Indole-Oxazole Scaffold and Its Application to the Synthesis of Breitfussins C, G, and H
Evan Savelson, Jetze J. Tepe
The Journal of Organic Chemistry (2022) Vol. 88, Iss. 2, pp. 755-761
Closed Access | Times Cited: 8
Highly diastereo- and enantioselective C2 addition of 5H-oxazol-4-ones to γ-keto-α,β-unsaturated esters
Li Lin, Mei Wang, Jiawei Zhou, et al.
Chemical Communications (2023) Vol. 59, Iss. 24, pp. 3606-3609
Closed Access | Times Cited: 3
Cooperative assistance of a sulfonamide in a proline-mediated direct asymmetric aldol addition
Kiran Kumari, Meeta Bhati, Roopendra Singh Madhukar, et al.
New Journal of Chemistry (2023) Vol. 47, Iss. 36, pp. 17042-17050
Closed Access | Times Cited: 3
Bifunctional Sulfonamide as Hydrogen Bonding Catalyst in Catalytic Asymmetric Reactions: Concept and Application in the Past Decade
Yi‐Ren Zhu, Jie Xu, Hui‐Fang Jiang, et al.
European Journal of Organic Chemistry (2022) Vol. 2022, Iss. 45
Closed Access | Times Cited: 5
Enantioselective Synthesis of Benzothiazolines from Fluoroalkyl Ketones Using Chiral Imidazoline−Phosphoric Acid Catalysts
Yuka Iizuka, Tatsumi Wada, K. Ogura, et al.
Advanced Synthesis & Catalysis (2022) Vol. 364, Iss. 24, pp. 4271-4274
Closed Access | Times Cited: 5
Direct Catalytic Enantioselective Reaction of α-Isocyanoacetonitriles with Ketimines Using Cinchona Alkaloid Amide–Cu(II) Catalysts
Shuichi Nakamura, Masato Kibe, Tsunayoshi Takehara, et al.
Organic Letters (2023) Vol. 25, Iss. 6, pp. 1040-1044
Closed Access | Times Cited: 2
Enantioselective construction of spirodihydrofuran oxindoles via one-pot organo-/iodine sequential catalysis
Ai‐Bao Xia, Li-Sha Huang, LI Chang-ping, et al.
Organic Chemistry Frontiers (2023) Vol. 10, Iss. 19, pp. 4848-4853
Closed Access | Times Cited: 2
Enantioselective Allenylation of Ketimines Derived from Isatins Using Chiral Bis(imidazoline)‐Palladium Catalysts
Yusuke Oyamada, Shintaro Yamasaki, Mika Tsuzuki, et al.
Advanced Synthesis & Catalysis (2022) Vol. 364, Iss. 24, pp. 4255-4259
Closed Access | Times Cited: 4
Synthesis of α‐Quaternary β‐Lactams via Copper‐Catalyzed Enantioconvergent Radical C(sp3)−C(sp2) Cross‐Coupling with Organoboronate Esters
Fuli Wang, Lin Liu, Chang‐Jiang Yang, et al.
Angewandte Chemie (2022) Vol. 135, Iss. 2
Closed Access | Times Cited: 1
Three-membered ring systems
Jonathon S. Russel
Progress in heterocyclic chemistry (2023), pp. 57-77
Closed Access
Synthetic drives for useful drug molecules through organocatalytic methods
Bimal Krishna Banik, Biswa Mohan Sahoo, Abhishek Tiwari, et al.
Physical Sciences Reviews (2022) Vol. 7, Iss. 4-5, pp. 373-410
Closed Access
Page 1

Scroll to top