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:

Asymmetric Synthesis of Spirocyclic Oxindole δ-Lactams via NHC-Catalyzed Formal [2+4] Annulation of Aliphatic Aldehydes with Oxindole-Derived α,β-Unsaturated Ketimines
Chonglong He, Zhanhuan Li, Jianfeng Xu, et al.
The Journal of Organic Chemistry (2019) Vol. 84, Iss. 18, pp. 12177-12186
Closed Access | Times Cited: 28

Showing 1-25 of 28 citing articles:

Stereoselective synthesis and applications of spirocyclic oxindoles
Alexander J. Boddy, James A. Bull
Organic Chemistry Frontiers (2021) Vol. 8, Iss. 5, pp. 1026-1084
Open Access | Times Cited: 253
N‐Heterocyclic Carbene (NHC)‐Catalyzed Transformations Involving Azolium Enolates
Santigopal Mondal, Arghya Ghosh, Akkattu T. Biju
The Chemical Record (2022) Vol. 22, Iss. 8
Closed Access | Times Cited: 44
Elucidating the mechanism and origin of stereoselectivity in the activation/transformation of an acetic ester catalyzed by an N-heterocyclic carbene
Pingxin Liang, Haoran Yang, Yang Wang
Physical Chemistry Chemical Physics (2024) Vol. 26, Iss. 5, pp. 4320-4328
Closed Access | Times Cited: 13
Recent synthetic strategies toward the synthesis of spirocyclic compounds comprising six-membered carbocyclic/heterocyclic ring systems
Kashaf Babar, Ameer Fawad Zahoor, Sajjad Ahmad, et al.
Molecular Diversity (2020) Vol. 25, Iss. 4, pp. 2487-2532
Closed Access | Times Cited: 41
Recent Advances in the Synthesis of Spiro‐β‐Lactams and Spiro‐δ‐Lactams
Nuno G. Alves, Américo J. S. Alves, Maria I. L. Soares, et al.
Advanced Synthesis & Catalysis (2021) Vol. 363, Iss. 10, pp. 2464-2501
Open Access | Times Cited: 39
Stereoselective Access to Silicon-Stereogenic Silacycles via the Carbene-Catalyzed Desymmetric Benzoin Reaction of Siladials
Hao Liu, Pengyu He, Xuanlong Liao, et al.
ACS Catalysis (2022) Vol. 12, Iss. 16, pp. 9864-9871
Closed Access | Times Cited: 27
Asymmetric Catalytic Approaches Employing α,β‐Unsaturated Imines
Suman K. Saha, Anupriya Bera, Soniya Singh, et al.
European Journal of Organic Chemistry (2023) Vol. 26, Iss. 15
Closed Access | Times Cited: 12
Catalytic Asymmetric Synthesis of 3,4′-Piperidinoyl Spirooxindoles via [3 + 3] Annulation of 3-Aminobenzofurans and Isatin-Derived Enals
Lesong Li, Congyang Li, Shuting Zhang, et al.
The Journal of Organic Chemistry (2024) Vol. 89, Iss. 7, pp. 5170-5180
Closed Access | Times Cited: 4
Recent advances of N-heterocyclic carbenes in the applications of constructing carbo- and heterocyclic frameworks with potential biological activity
Meimei Li, Xiao-Zhen Chen, Yun Deng, et al.
RSC Advances (2021) Vol. 11, Iss. 60, pp. 38060-38078
Open Access | Times Cited: 26
N-Heterocyclic Carbene-Promoted [4+2] Annulation of α-Chloro Hydrazones with α-Chloro Aliphatic Aldehydes to Access Enantioenriched Dihydropyridazinones
Yipeng Zhou, Hongwei Zhou, Jianfeng Xu
The Journal of Organic Chemistry (2022) Vol. 87, Iss. 5, pp. 3677-3685
Closed Access | Times Cited: 17
NHC‐Activations on α‐, β‐, γ‐, and Beyond
Xiaoyu Chen, Pengyu He, Siqi Xia, et al.
The Chemical Record (2023) Vol. 23, Iss. 7
Closed Access | Times Cited: 8
Isothiourea-Catalyzed Acylative Desymmetrization of Silicon-Centered Bisphenols
Xuanlong Liao, Hongwei Zhou, Xingkuan Chen, et al.
Organic Letters (2023) Vol. 25, Iss. 17, pp. 3099-3103
Closed Access | Times Cited: 8
Recent Advances in N‐Heterocyclic Carbene Catalyzed Oxidative Cyclization for the Formation of Heterocycles
Thangavel Pavithra, E. Sankari Devi, C. Uma Maheswari
Asian Journal of Organic Chemistry (2021) Vol. 10, Iss. 8, pp. 1861-1883
Closed Access | Times Cited: 19
N-Heterocyclic carbene catalyzed asymmetric [3 + 3] cycloaddtion of β,β-disubstituted, α,β-unsaturated carboxylic esters with 3-aminobenzofurans
Chonglong He, Yipeng Zhou, Zhanhuan Li, et al.
Organic Chemistry Frontiers (2021) Vol. 8, Iss. 7, pp. 1569-1574
Closed Access | Times Cited: 18
N-Heterocyclic Carbene-Catalyzed [3 + 2] Annulation of 3,3′-Bisoxindoles with α-Bromoenals: Enantioselective Construction of Contiguous Quaternary Stereocenters
Binghao Liu, Xiaoyong Duan, Jiahan Li, et al.
Organic Letters (2022) Vol. 24, Iss. 32, pp. 5929-5934
Closed Access | Times Cited: 11
Access to Chiral Polycyclic 1,4-Dihydropyridines via Organocatalytic Formal [3 + 3] Annulation of 2-(1-Alkynyl)-2-alken-1-ones with 3-Aminobenzofurans
Zhanhuan Li, Hongwei Zhou, Jianfeng Xu
Organic Letters (2021) Vol. 23, Iss. 16, pp. 6391-6395
Closed Access | Times Cited: 15
Organocatalytic asymmetric [3 + 3] annulations of 3-carboxamide oxindoles with β,γ-unsaturated α-keto esters: facile access to chiral spiro-δ-lactam oxindoles
Zhengbing Zhang, Qiuzuo He, Ting Wang, et al.
Organic Chemistry Frontiers (2023) Vol. 10, Iss. 4, pp. 957-962
Closed Access | Times Cited: 6
N-Heterocyclic Carbene-Catalyzed Desymmetrization of Siladials To Access Silicon-Stereogenic Organosilanes
Hao Liu, Hongwei Zhou, Xingkuan Chen, et al.
The Journal of Organic Chemistry (2022) Vol. 87, Iss. 23, pp. 16127-16137
Closed Access | Times Cited: 9
Facile Approach for the Oxidative Enolate Activation of Aliphatic Aldehydes
Qian Liu, Kunpeng Teng
The Journal of Organic Chemistry (2023) Vol. 88, Iss. 4, pp. 2404-2414
Closed Access | Times Cited: 5
Gold‐Catalyzed Formal [4+2] Cycloaddition as Access to Antitumor‐Active Spirocyclic Oxindoles from Alkynes and Isatin‐Derived Ketimines
Yaowen Liu, Martin C. Dietl, Robin Heckershoff, et al.
Angewandte Chemie International Edition (2023) Vol. 62, Iss. 34
Open Access | Times Cited: 4
Computational study on NHC catalyzed [4+2] annulation between γ-chloroenals and pyrazolinones: mechanism and stereoselectivity
Yan Li, Zhiqiang Zhang
New Journal of Chemistry (2020) Vol. 44, Iss. 27, pp. 11643-11651
Closed Access | Times Cited: 9
A Stepwise Synthesis of Spiroindoline Compounds via Ring Opening of Aziridines and C−H Activation/Cyclization
Siyang Xing, Hanyu Xia, Chenyu Wang, et al.
Advanced Synthesis & Catalysis (2020) Vol. 363, Iss. 4, pp. 1044-1049
Closed Access | Times Cited: 8
N-Heterocyclic Carbene-Catalyzed Stereoselective [3 + 2] Cycloaddition of N,N′-Cyclic Azomethine Imines with Aryl Acetaldehydes
Yipeng Zhou, Hongwei Zhou, Jianfeng Xu
The Journal of Organic Chemistry (2022) Vol. 87, Iss. 15, pp. 10476-10484
Closed Access | Times Cited: 5
Recent synthetic strategies of spiro-azetidin-2-one, -pyrrolidine, -indol(one) and -pyran derivatives-a review
Mohammed B. Alshammari, Ashraf A. Aly, Akil Ahmad, et al.
RSC Advances (2023) Vol. 13, Iss. 46, pp. 32786-32823
Open Access | Times Cited: 2
Synthesis of Nitrogen‐Heterocycles Based on N ‐Heterocyclic Carbene Organocatalysis
Hideto Miyabe
(2022), pp. 163-212
Closed Access | Times Cited: 1
Page 1 - Next Page

Scroll to top