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OpenAlex Citation Counts

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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:

Orally Active Opioid Compounds from a Non-Poppy Source
Robert B. Raffa, Jaclyn R. Beckett, Vivek N. Brahmbhatt, et al.
Journal of Medicinal Chemistry (2013) Vol. 56, Iss. 12, pp. 4840-4848
Closed Access | Times Cited: 45

Showing 1-25 of 45 citing articles:

Synthetic and Receptor Signaling Explorations of the Mitragyna Alkaloids: Mitragynine as an Atypical Molecular Framework for Opioid Receptor Modulators
Andrew C. Kruegel, Madalee M. Gassaway, Abhijeet Kapoor, et al.
Journal of the American Chemical Society (2016) Vol. 138, Iss. 21, pp. 6754-6764
Open Access | Times Cited: 266
The medicinal chemistry and neuropharmacology of kratom: A preliminary discussion of a promising medicinal plant and analysis of its potential for abuse
Andrew C. Kruegel, Oliver Grundmann
Neuropharmacology (2017) Vol. 134, pp. 108-120
Closed Access | Times Cited: 187
7-Hydroxymitragynine Is an Active Metabolite of Mitragynine and a Key Mediator of Its Analgesic Effects
Andrew C. Kruegel, Rajendra Uprety, Steven G. Grinnell, et al.
ACS Central Science (2019) Vol. 5, Iss. 6, pp. 992-1001
Open Access | Times Cited: 160
Abuse potential and adverse cognitive effects of mitragynine (kratom)
Nurul H.M. Yusoff, Farah Wahida Suhaimi, Raja Vadivelu, et al.
Addiction Biology (2014) Vol. 21, Iss. 1, pp. 98-110
Closed Access | Times Cited: 127
A botanical, phytochemical and ethnomedicinal review of the genus Mitragyna korth: Implications for products sold as kratom
Paula N. Brown, Jensen A. Lund, Susan J. Murch
Journal of Ethnopharmacology (2017) Vol. 202, pp. 302-325
Closed Access | Times Cited: 107
Natural Products for the Treatment of Pain: Chemistry and Pharmacology of Salvinorin A, Mitragynine, and Collybolide
Soumen Chakraborty, Susruta Majumdar
Biochemistry (2020) Vol. 60, Iss. 18, pp. 1381-1400
Open Access | Times Cited: 60
Nanobiosensors for detection of opioids: A review of latest advancements
Mahtab Razlansari, Fulden Ulucan‐Karnak, Masoud Kahrizi, et al.
European Journal of Pharmaceutics and Biopharmaceutics (2022) Vol. 179, pp. 79-94
Open Access | Times Cited: 34
An In Vitro Examination of Whether Kratom Extracts Enhance the Cytotoxicity of Low-Dose Doxorubicin against A549 Human Lung Cancer Cells
Asep Bayu, Siti Irma Rahmawati, Firmansyah Karim, et al.
Molecules (2024) Vol. 29, Iss. 6, pp. 1404-1404
Open Access | Times Cited: 8
Recent advances in the synthesis of C2-spiropseudoindoxyls
Yan‐Ling Ji, Xiang‐Hong He, Cheng Peng, et al.
Organic & Biomolecular Chemistry (2019) Vol. 17, Iss. 11, pp. 2850-2864
Closed Access | Times Cited: 47
Orally Active Opioid μ/δ Dual Agonist MGM-16, a Derivative of the Indole Alkaloid Mitragynine, Exhibits Potent Antiallodynic Effect on Neuropathic Pain in Mice
Kenjiro Matsumoto, Minoru Narita, Naotaka Muramatsu, et al.
Journal of Pharmacology and Experimental Therapeutics (2013) Vol. 348, Iss. 3, pp. 383-392
Open Access | Times Cited: 47
Mitragyna Species as Pharmacological Agents: From Abuse to Promising Pharmaceutical Products
Islamudin Ahmad, Wisnu Cahyo Prabowo, Muhammad Arifuddin, et al.
Life (2022) Vol. 12, Iss. 2, pp. 193-193
Open Access | Times Cited: 19
Mitragynine and Morphine Stabilize Different Conformations of the Μ-Opioid Receptor as Revealed by Molecular Dynamics Simulation Studies
Joydip Das, Jonathan P. Mathews, Netra Prasad Neupane, et al.
(2025)
Closed Access
Divergent Synthesis of 2‐Quinolinones and Indolin‐3‐ones via Mo‐Catalyzed Controllable Carbonyl Deoxygenative Coupling and Formal Deoxygenative N—H Insertion Reactions
Jiasheng Yao, Xiaoxi Su, Yi‐Zhe Yu, et al.
Chinese Journal of Chemistry (2025)
Closed Access
Nature's first “atypical opioids”: Kratom and mitragynines
Robert B. Raffa, Joseph V. Pergolizzi, Robert Taylor, et al.
Journal of Clinical Pharmacy and Therapeutics (2018) Vol. 43, Iss. 3, pp. 437-441
Open Access | Times Cited: 36
Pd-Catalyzed cycloisomerization/nucleophilic addition/reduction: an efficient method for the synthesis of spiro-pseudoindoxyls containing N,N′-ketal
Lin-Wei Chen, Jialin Xie, Hongjian Song, et al.
Organic Chemistry Frontiers (2017) Vol. 4, Iss. 9, pp. 1731-1735
Closed Access | Times Cited: 31
Phytochemistry and biological activities of corynanthe alkaloids
Jun Li, Jiaxing Li, Hua Jiang, et al.
Phytochemistry (2023) Vol. 213, pp. 113786-113786
Closed Access | Times Cited: 8
From Plant to Chemistry: Sources of Active Opioid Antinociceptive Principles for Medicinal Chemistry and Drug Design
Rita Turnaturi, Silvia Piana, Salvatore Spoto, et al.
Molecules (2023) Vol. 28, Iss. 20, pp. 7089-7089
Open Access | Times Cited: 8
Catalyst-Free gem-Difluorination/Spirocyclization of Indole-2-carboxamides: Synthesis of C2-Spiroindoline Derivatives
Xiaotong Dong, Xiaonuo Liu, Lei Wang, et al.
Organic Letters (2023) Vol. 25, Iss. 48, pp. 8771-8776
Closed Access | Times Cited: 8
Determination of mitragynine in urine matrices by bar adsorptive microextraction and HPLC analysis
Nuno R. Neng, Samir M. Ahmad, Helena Gaspar, et al.
Talanta (2015) Vol. 144, pp. 105-109
Closed Access | Times Cited: 26
DARK Classics in Chemical Neuroscience: Kratom
Changho Han, Joza Schmitt, Kristen Gilliland
ACS Chemical Neuroscience (2019) Vol. 11, Iss. 23, pp. 3870-3880
Closed Access | Times Cited: 22
On subclasses of opioid analgesics
Robert B. Raffa
Current Medical Research and Opinion (2014) Vol. 30, Iss. 12, pp. 2579-2584
Open Access | Times Cited: 21
Mitragyna speciosa: Balancing Potential Medical Benefits and Abuse
Genevieve M. Halpenny
ACS Medicinal Chemistry Letters (2017) Vol. 8, Iss. 9, pp. 897-899
Open Access | Times Cited: 16
Biocatalytic One-Pot Three-Component Synthesis of Indoloquinolizines with High Diastereoselectivity
Wei-Xun He, Xiu Xing, Zeng‐Jie Yang, et al.
Catalysis Letters (2019) Vol. 149, Iss. 2, pp. 638-643
Closed Access | Times Cited: 14
Cannabinoid mechanisms contribute to the therapeutic efficacy of the kratom alkaloid mitragynine against neuropathic, but not inflammatory pain
Daniel Farkas, Saadet Inan, Laila N. Heydari, et al.
Life Sciences (2023) Vol. 328, pp. 121878-121878
Closed Access | Times Cited: 4
dppb and TfOH promoted cascade reaction of o-nitrophenylpropiolamides to access C2-spiro-pseudoindoxyls
Qiongwen Kang, Yan Wang, Zongkang Wang, et al.
Organic Chemistry Frontiers (2024) Vol. 11, Iss. 7, pp. 2075-2080
Closed Access | Times Cited: 1
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