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:

Squaramide‐Catalyzed Synthesis of Enantioenriched Spirocyclic Oxindoles via Ketimine Intermediates with Multiple Active Sites
Qiangsheng Sun, Hua Zhu, Yong‐Jian Chen, et al.
Angewandte Chemie International Edition (2015) Vol. 54, Iss. 45, pp. 13253-13257
Closed Access | Times Cited: 52

Showing 1-25 of 52 citing articles:

Catalytic asymmetric synthesis of spirooxindoles: recent developments
Guang‐Jian Mei, Feng Shi
Chemical Communications (2018) Vol. 54, Iss. 50, pp. 6607-6621
Closed Access | Times Cited: 400
New development in the enantioselective synthesis of spiro compounds
Aishun Ding, Marta Meazza, Hao Guo, et al.
Chemical Society Reviews (2018) Vol. 47, Iss. 15, pp. 5946-5996
Open Access | Times Cited: 362
Catalytic Enantioselective Construction of Spiro Quaternary Carbon Stereocenters
Pengwei Xu, Jin‐Sheng Yu, Chen Chen, et al.
ACS Catalysis (2019) Vol. 9, Iss. 3, pp. 1820-1882
Closed Access | Times Cited: 273
Organocatalytic Domino Oxa‐Michael/1,6‐Addition Reactions: Asymmetric Synthesis of Chromans Bearing Oxindole Scaffolds
Kun Zhao, Ying Zhi, Tao Shu, et al.
Angewandte Chemie International Edition (2016) Vol. 55, Iss. 39, pp. 12104-12108
Closed Access | Times Cited: 236
Recent advances in organocatalytic asymmetric multicomponent cascade reactions for enantioselective synthesis of spirooxindoles
Yongchao Wang, Angel A. Cobo, Annaliese K. Franz
Organic Chemistry Frontiers (2021) Vol. 8, Iss. 15, pp. 4315-4348
Closed Access | Times Cited: 165
The Versatility of Squaramides: From Supramolecular Chemistry to Chemical Biology
Luke A. Marchetti, Lokesh Kumar Kumawat, Nan Mao, et al.
Chem (2019) Vol. 5, Iss. 6, pp. 1398-1485
Open Access | Times Cited: 136
Diastereo- and enantioselective [3 + 3] cycloaddition of spirocyclopropyl oxindoles using both aldonitrones and ketonitrones
Pengwei Xu, Jia-Kuan Liu, Lan Shen, et al.
Nature Communications (2017) Vol. 8, Iss. 1
Open Access | Times Cited: 98
Asymmetric Dearomatization of Indole by Palladium/PC‐Phos‐Catalyzed Dynamic Kinetic Transformation
Haoke Chu, Jie Cheng, Junfeng Yang, et al.
Angewandte Chemie International Edition (2020) Vol. 59, Iss. 49, pp. 21991-21996
Closed Access | Times Cited: 71
Hydride Transfer Involved Redox-Neutral Cascade Cyclizations for Construction of Spirocyclic Bisoxindoles Featuring a [3,4]-Fused Oxindole Moiety
Shuai‐Shuai Li, Shuai Zhu, Chunqi Chen, et al.
Organic Letters (2019) Vol. 21, Iss. 4, pp. 1058-1062
Closed Access | Times Cited: 74
Organocatalytic cascade Michael/Michael reaction for the asymmetric synthesis of spirooxindoles containing five contiguous stereocenters
Bo‐Liang Zhao, Da‐Ming Du
Chemical Communications (2016) Vol. 52, Iss. 36, pp. 6162-6165
Closed Access | Times Cited: 66
Recent Advances in Squaramide‐Catalyzed Asymmetric Mannich Reactions
Xi‐Qiang Hou, Da‐Ming Du
Advanced Synthesis & Catalysis (2020) Vol. 362, Iss. 21, pp. 4487-4512
Closed Access | Times Cited: 64
Organocatalyzed Asymmetric Dearomative Aza-Michael/Michael Addition Cascade of 2-Nitrobenzofurans and 2-Nitrobenzothiophenes with 2-Aminochalcones
Xiaojian Zhou, Jian‐Qiang Zhao, Xinmeng Chen, et al.
The Journal of Organic Chemistry (2019) Vol. 84, Iss. 7, pp. 4381-4391
Closed Access | Times Cited: 57
Enantioselective Construction of Spirocyclic Oxindoles via Tandem Michael/Michael Reactions Catalyzed by Multifunctional Quaternary Phosphonium Salt
Jiaxing Zhang, Dongdong Cao, Hongyu Wang, et al.
The Journal of Organic Chemistry (2016) Vol. 81, Iss. 21, pp. 10558-10568
Closed Access | Times Cited: 53
Asymmetric [4 + 2] annulation of 5H-thiazol-4-ones with a chiral dipeptide-based Brønsted base catalyst
Bo Zhu, Shuai Qiu, Jiangtao Li, et al.
Chemical Science (2016) Vol. 7, Iss. 9, pp. 6060-6067
Open Access | Times Cited: 46
Organocatalytic Domino Oxa‐Michael/1,6‐Addition Reactions: Asymmetric Synthesis of Chromans Bearing Oxindole Scaffolds
Kun Zhao, Ying Zhi, Tao Shu, et al.
Angewandte Chemie (2016) Vol. 128, Iss. 39, pp. 12283-12287
Closed Access | Times Cited: 45
Organocatalytic Aza-Michael/Michael Cyclization Cascade Reaction: Enantioselective Synthesis of Spiro-oxindole Piperidin-2-one Derivatives
Qing-Gang Tang, Sen‐Lin Cai, Chuan‐Chuan Wang, et al.
Organic Letters (2020) Vol. 22, Iss. 9, pp. 3351-3355
Closed Access | Times Cited: 37
Organocatalytic Asymmetric Annulation between Hydroxymaleimides and Nitrosoarenes: Stereoselective Preparation of Chiral Quaternary N-Hydroxyindolines
Yu Yang, Hong‐Xia Ren, Feng Chen, et al.
Organic Letters (2017) Vol. 19, Iss. 11, pp. 2805-2808
Closed Access | Times Cited: 34
Squaramide‐Catalyzed Enantioselective Cascade Approach to Bispirooxindoles with Multiple Stereocenters
Bo‐Liang Zhao, Da‐Ming Du
Advanced Synthesis & Catalysis (2016) Vol. 358, Iss. 24, pp. 3992-3998
Closed Access | Times Cited: 32
Squaramide catalyzed α-chiral amine synthesis
Seda Karahan, Cihangir Tanyeli
Tetrahedron Letters (2018) Vol. 59, Iss. 42, pp. 3725-3737
Closed Access | Times Cited: 31
DBU-catalyzed [3 + 2] cycloaddition and Michael addition reactions of 3-benzylidene succinimides with 3-ylidene oxindoles and chalcones
Piyush Tehri, Rama Krishna Peddinti
Organic & Biomolecular Chemistry (2019) Vol. 17, Iss. 16, pp. 3964-3970
Closed Access | Times Cited: 26
The organocatalytic asymmetric Neber reaction for the enantioselective synthesis of spirooxindole 2H-azirines
Jian‐Qiang Zhao, Deng‐Feng Yue, Xiaomei Zhang, et al.
Organic & Biomolecular Chemistry (2016) Vol. 14, Iss. 46, pp. 10946-10952
Closed Access | Times Cited: 26
Asymmetric Organocatalytic [4 + 1] Annulations: Enantioselective Construction of Multifunctionalized Spirocyclopentane Oxindoles Bearing α,α-Disubstituted α-Amino-β-keto Esters
Chuan‐Chuan Wang, Jian Huang, Xin‐Hao Li, et al.
Organic Letters (2018) Vol. 20, Iss. 10, pp. 2888-2891
Closed Access | Times Cited: 26
Enantioselective Synthesis of Multisubstituted Spirocyclopentane Oxindoles Enabled by Pd/Chiral Rh(III) Complex Synergistic Catalysis
Qian Wan, Liang Chen, Shiwu Li, et al.
Organic Letters (2020) Vol. 22, Iss. 24, pp. 9539-9544
Closed Access | Times Cited: 23
Asymmetric Dearomatization of Indole by Palladium/PC‐Phos‐Catalyzed Dynamic Kinetic Transformation
Haoke Chu, Jie Cheng, Junfeng Yang, et al.
Angewandte Chemie (2020) Vol. 132, Iss. 49, pp. 22175-22180
Closed Access | Times Cited: 22
Recent Advances in Catalytic Asymmetric Reactions Involving Trifluoroethyl Ketimines
Zhongwen Sun, Congcong Zhang, Lijun Chen, et al.
Chinese Journal of Organic Chemistry (2021), pp. 1789-1789
Open Access | Times Cited: 18
Page 1 - Next Page

Scroll to top