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:

Cooperative N-heterocyclic carbene (NHC)–Lewis acid-mediated regioselective umpolung formal [3 + 2] annulations of alkynyl aldehydes with isatins
Yu Zhang, Yingyan Lu, Weifang Tang, et al.
Organic & Biomolecular Chemistry (2014) Vol. 12, Iss. 19, pp. 3009-3015
Closed Access | Times Cited: 72

Showing 26-50 of 72 citing articles:

NHC‐Catalyzed Asymmetric Intramolecular [3+2] Annulations of Cyclohexadienone‐Tethered Ynals
Yajie Wang, Wenyu Kang, Wen Wu Xu, et al.
Asian Journal of Organic Chemistry (2025)
Closed Access

Organocatalytic C–C bond activation of cyclopropenones for ring-opening formal [3 + 2] cycloaddition with isatins
Junyu Xu, Jing Cao, Chao Fang, et al.
Organic Chemistry Frontiers (2017) Vol. 4, Iss. 4, pp. 560-564
Closed Access | Times Cited: 39

Organocatalytic One-Pot Asymmetric Synthesis of Thiolated Spiro-γ-lactam Oxindoles Bearing Three Stereocenters
Xin Huang, Miao Liu, Kenny Pham, et al.
The Journal of Organic Chemistry (2016) Vol. 81, Iss. 13, pp. 5362-5369
Closed Access | Times Cited: 38

Direct Activation of β-sp3-Carbons of Saturated Carboxylic Esters as Electrophilic Carbons via Oxidative Carbene Catalysis
Bin Liu, Weihong Wang, Ruoyan Huang, et al.
Organic Letters (2017) Vol. 20, Iss. 1, pp. 260-263
Open Access | Times Cited: 37

N-Heterocyclic carbene-catalyzed annulation of cyclic β-enamino esters with enals: access to functionalized indolo[2,3-a]quinolizidines
Shihe Hu, Bingyang Wang, Yu Zhang, et al.
Organic & Biomolecular Chemistry (2015) Vol. 13, Iss. 16, pp. 4661-4667
Closed Access | Times Cited: 36

Esters as Alkynyl Acyl Ammonium and Azolium Precursors: A Formal [2 + 3] Annulation with Amidomalonates via Lewis Base/Lewis Acid Cooperative Catalysis
Jing Cao, Kewen Sun, Shuding Dong, et al.
Organic Letters (2017) Vol. 19, Iss. 24, pp. 6724-6727
Closed Access | Times Cited: 36

Insights into the N‐Heterocyclic Carbene (NHC)‐Catalyzed Intramolecular Cyclization of Aldimines: General Mechanism and Role of Catalyst
Xue Li, Mingsheng Tang, Yanyan Wang, et al.
Chemistry - An Asian Journal (2018) Vol. 13, Iss. 13, pp. 1710-1718
Closed Access | Times Cited: 36

Recent Developments on the Synthesis and Applications of Natural Products-Inspired Spirooxindole Frameworks
Srinivasarao Arulananda Babu, Rayavarapu Padmavathi, Nayyar Ahmad Aslam, et al.
Studies in natural products chemistry (2015), pp. 227-339
Closed Access | Times Cited: 36

Access to Spiro and Fused Indole Derivatives from α,β-Unsaturated Aldehydes Enabled by N-Heterocyclic Carbene Catalysis
Weifang Tang, Ding Du
The Chemical Record (2016) Vol. 16, Iss. 3, pp. 1489-1500
Closed Access | Times Cited: 33

N-Heterocyclic Carbene Catalytic [4 + 2] Cyclization of 3-Alkylenyloxindoles with Enals: γ-Carbon Activation for Enantioselective Assembly of Spirocarbocyclic Oxindoles
Hong Yao, Yu Zhou, Xia Chen, et al.
The Journal of Organic Chemistry (2016) Vol. 81, Iss. 19, pp. 8888-8899
Closed Access | Times Cited: 33

β-Functionalization of Indolin-2-one-Derived Aliphatic Acids for the Divergent Synthesis of Spirooxindole γ-Butyrolactones
Jing Cao, Shuding Dong, Delu Jiang, et al.
The Journal of Organic Chemistry (2017) Vol. 82, Iss. 8, pp. 4186-4193
Closed Access | Times Cited: 27

Chiral N-heterocyclic carbene/Lewis acid cooperative catalysis of the reaction of 2-aroylvinylcinnamaldehydes: a switch of the reaction pathway by Lewis acid activation
Zhan‐Yong Wang, Ya‐Li Ding, Gang Wang, et al.
Chemical Communications (2015) Vol. 52, Iss. 4, pp. 788-791
Closed Access | Times Cited: 26

Organocatalytic Enantioselective Synthesis of Polysubstituted Spirooxindoles using a Tandem Michael–Michael Reaction
Santhi Abbaraju, Naresh Ramireddy, Nirmal K. Rana, et al.
Advanced Synthesis & Catalysis (2015) Vol. 357, Iss. 12, pp. 2633-2638
Closed Access | Times Cited: 25

Stereoselective synthesis of spirooxindole derivatives using an organocatalyzed tandem Michael–Michael reaction
Huicai Huang, Manisha Bihani, Cong‐Gui Zhao
Organic & Biomolecular Chemistry (2016) Vol. 14, Iss. 5, pp. 1755-1763
Closed Access | Times Cited: 24

Alkynyl Acylammoniums as Electrophilic 3C Synthons in a Formal [3 + 3] Annulation: Access to Functionalized 4H-Pyran-4-ones
Shuding Dong, Chao Fang, Weifang Tang, et al.
Organic Letters (2016) Vol. 18, Iss. 15, pp. 3882-3885
Closed Access | Times Cited: 24

Changing Reaction Pathways of the Dimerization of 2-Formylcinnamates by N-Heterocyclic Carbene/Lewis Acid Cooperative Catalysis: An Unusual Cleavage of the Carbon–Carbon Bond
Hai‐Yan Dang, Zi‐Tian Wang, Ying Cheng
Organic Letters (2014) Vol. 16, Iss. 21, pp. 5520-5523
Closed Access | Times Cited: 22

The Reaction of 2-Aroylvinylcinnamaldehydes with Aromatic Aldehydes by Dual Catalysis with a Chiral N-Heterocyclic Carbene and a Lewis Acid: Enantioselective Construction of Tetrahydroindeno[1,2-c]furan-1-ones
Gang Wang, Zhan‐Yong Wang, Shuang-Shuo Niu, et al.
The Journal of Organic Chemistry (2016) Vol. 81, Iss. 18, pp. 8276-8286
Closed Access | Times Cited: 16

Three-component synthesis of novel spirooxindole–furan derivatives using pyridinium salts
Robabeh Baharfar, Sakineh Asghari, Farya Zaheri, et al.
Comptes Rendus Chimie (2016) Vol. 20, Iss. 4, pp. 359-364
Open Access | Times Cited: 16

The Combination of Lewis Acid with N-Heterocyclic Carbene (NHC) Catalysis
Qianfa Jia, Yaqiong Li, Yinhe Lin, et al.
Catalysts (2019) Vol. 9, Iss. 10, pp. 863-863
Open Access | Times Cited: 16

Understanding the mechanism and stereoselectivity of NHC-catalyzed [3 + 2] cycloaddition of 3-bromoenals and isatin N-Boc ketimines
Yan Li, Zhiqiang Zhang, Changhai Liang
Organic & Biomolecular Chemistry (2018) Vol. 16, Iss. 47, pp. 9251-9258
Closed Access | Times Cited: 15

Green and Catalytic Methods for γ-Lactone Synthesis
Hikaru Yanai
Elsevier eBooks (2015), pp. 257-289
Closed Access | Times Cited: 14

NHC-Catalyzed [2 + 4] Annulation of Alkynyl Ester with Chalcone
Fangfang Lu, Yangxu Chen, Song Xue, et al.
The Journal of Organic Chemistry (2022) Vol. 87, Iss. 10, pp. 6902-6909
Closed Access | Times Cited: 8

N -heterocyclic carbene-mediated formal [3+3] annulation of isatin-derived α, β-unsaturated acids: Access to functionalized 3,4′-spirooxindole δ -lactones
Weiguo Zhang, Junyu Xu, Jing Cao, et al.
Tetrahedron (2017) Vol. 73, Iss. 23, pp. 3249-3254
Closed Access | Times Cited: 14

Synthesis of N-, O-, and S-heterocycles from aryl/alkyl alkynyl aldehydes
Fatemeh Doraghi, Farid Mohaghegh, Omid Hosseinchi Qareaghaj, et al.
RSC Advances (2023) Vol. 13, Iss. 20, pp. 13947-13970
Open Access | Times Cited: 4

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