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:

Protecting-Group-Free Formal Synthesis of Aspidospermidine: Ring-Opening Cyclization of Spirocyclopropane with Amine Followed by Regioselective Alkylations
Hisanori Nambu, Takafumi Tamura, Takayuki Yakura
The Journal of Organic Chemistry (2019) Vol. 84, Iss. 24, pp. 15990-15996
Open Access | Times Cited: 20

Showing 20 citing articles:

Five-Step Total Synthesis of (±)-Aspidospermidine by a Lactam Strategy via an Azomethine Ylide
Seiya Katahara, Yasukazu Sugiyama, Mina Yamane, et al.
Organic Letters (2021) Vol. 23, Iss. 8, pp. 3058-3063
Closed Access | Times Cited: 30

Synthesis of donor-acceptor type 1,1-bis(sulfonyl)cyclopropanes from active bis(sulfonyl)methylene compounds using sulfonium salts
Kotaro Ezoe, Koji Murakami, Keisuke Tomohara, et al.
Tetrahedron (2025), pp. 134514-134514
Closed Access

Synthetic Approaches to Tricyclic Aminoketones in the Total Synthesis of Aspidosperma and Kopsia Alkaloids
Nengzhong Wang, Xuefeng Jiang
The Chemical Record (2020) Vol. 21, Iss. 2, pp. 295-314
Closed Access | Times Cited: 24

Ring expansion of spirocyclopropanes with stabilized sulfonium ylides: highly diastereoselective synthesis of cyclobutanes
Hisanori Nambu, Yuta Onuki, Kana Aso, et al.
Chemical Communications (2024) Vol. 60, Iss. 34, pp. 4537-4540
Open Access | Times Cited: 2

Aspidosperma and Strychnos alkaloids: Chemistry and biology
Senzhi Zhao, Gopal Sirasani, Rodrigo Andrade
˜The œAlkaloids. Chemistry and biology/˜The œalkaloids. Chemistry and biology (2021), pp. 1-143
Closed Access | Times Cited: 15

Synthesis of Aspidodispermine via Pericyclic Framework Reconstruction
Franziska Reuß, Philipp Heretsch
Organic Letters (2020) Vol. 22, Iss. 10, pp. 3956-3959
Closed Access | Times Cited: 15

Evolution of Strategies in Protecting‐Group‐Free Synthesis of Natural Products: A Recent Update
Rodney A. Fernandes, Praveen Kumar, Priyanka Choudhary
European Journal of Organic Chemistry (2020) Vol. 2021, Iss. 5, pp. 711-740
Closed Access | Times Cited: 12

Total Syntheses of Aspidospermidine, N-Methylaspidospermidine, N-Acetylaspidospermidine, and Aspidospermine via a Tandem Cyclization of Tryptamine-Ynamide
Lu Yang, Siwen Huang, Rongkang Huang, et al.
Organic Letters (2021) Vol. 23, Iss. 16, pp. 6471-6476
Open Access | Times Cited: 11

Ring-Opening Cyclization of Spirocyclopropanes Using Sulfoxonium Ylides
Yuta Onuki, Hisanori Nambu, Takayuki Yakura
Chemical and Pharmaceutical Bulletin (2020) Vol. 68, Iss. 5, pp. 479-486
Open Access | Times Cited: 11

Synthetic approaches for cyclohexane-1,3-diones: A versatile precursor for bioactive molecules
Dharminder Sharma, Manish Kumar, Pralay Das
Synthetic Communications (2021) Vol. 51, Iss. 17, pp. 2553-2573
Closed Access | Times Cited: 7

Ring‐Opening Cyclization of Spirocyclopropanes with Stabilized Phosphorus Ylides: Access to Indane and Azulene Skeletons
Yuta Onuki, Koga Yamazaki, Yuto Masuda, et al.
Advanced Synthesis & Catalysis (2023) Vol. 365, Iss. 15, pp. 2536-2544
Closed Access | Times Cited: 2

Base-controlled annulation of tryptamine-derived isocyanides with nitrile imines for access to polycyclic spiroindoline derivatives
Xiaofeng Wang, Luo-Rong Yuan, Xiaoping Xu, et al.
Green Synthesis and Catalysis (2022) Vol. 4, Iss. 2, pp. 181-185
Open Access | Times Cited: 3

Cyclohexane-1,3-dione Derivatives: Versatile Precursors for Total Synthesis of Natural Products
Dharminder Sharma, Manish Kumar, Sandeep Kumar, et al.
Tetrahedron (2024), pp. 134395-134395
Closed Access

Synthesis of 1-Azaazulenes Using Ring-Opening Cyclization of Spirocyclopropane with Amine
Hisanori Nambu, Yuta Onuki, Koga Yamazaki, et al.
Heterocycles (2021) Vol. 103, Iss. 2, pp. 1099-1099
Open Access | Times Cited: 3

Synthesis of γ-Aryl Medium-Sized Cyclic Enones by a Domino 4π-Electrocyclic Reaction/Heck–Matsuda Arylation Sequence at Ambient Temperature
Kiyosei Takasu, Tomohiro Ito, Nao Takeuchi, et al.
Synlett (2023) Vol. 34, Iss. 11, pp. 1275-1279
Closed Access

Synthesis of spirocyclopropanes via iodine-promoted bimolecular cyclization of 2-benzylidene 1,3-indandiones
Zeng‐Yang He, Yong Ning, Yufei Zhao, et al.
Synthetic Communications (2022) Vol. 52, Iss. 24, pp. 2322-2333
Closed Access

Ring-Opening Cyclizations of Spirocyclopropanes with Nucleophiles and their Applications
Hisanori Nambu, Takayuki Yakura
Journal of Synthetic Organic Chemistry Japan (2021) Vol. 79, Iss. 8, pp. 777-786
Closed Access

Page 1

Scroll to top