Umashankar Das

3.1k total citations · 1 hit paper
102 papers, 2.6k citations indexed

About

Umashankar Das is a scholar working on Organic Chemistry, Molecular Biology and Toxicology. According to data from OpenAlex, Umashankar Das has authored 102 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 78 papers in Organic Chemistry, 46 papers in Molecular Biology and 15 papers in Toxicology. Recurrent topics in Umashankar Das's work include Synthesis and biological activity (59 papers), Cancer therapeutics and mechanisms (26 papers) and Synthesis and Biological Evaluation (19 papers). Umashankar Das is often cited by papers focused on Synthesis and biological activity (59 papers), Cancer therapeutics and mechanisms (26 papers) and Synthesis and Biological Evaluation (19 papers). Umashankar Das collaborates with scholars based in Canada, United States and Japan. Umashankar Das's co-authors include Ajay K. Dalai, Jonathan R. Dimmock, Parmila Devi, Rajendra K. Sharma, Hiroshi Sakagami, Erik De Clercq, Hari N. Pati, Masami Kawase, Swagatika Das and Jan Balzarini and has published in prestigious journals such as SHILAP Revista de lepidopterología, The Journal of Immunology and The Science of The Total Environment.

In The Last Decade

Umashankar Das

99 papers receiving 2.6k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

In-situ chemical oxidation: Principle and applications of peroxide and persulfate treatments in wastewater systems

2016 491 citations Parmila Devi, Umashankar Das et al. The Science of The Total Environment profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Umashankar Das Canada	27	1.2k	874	430	430	255	102	2.6k
Manish P. Patel India	31	1.8k 1.5×	304 0.3×	569 1.3×	305 0.7×	241 0.9×	117	3.0k
Pengwu Zheng China	33	1.3k 1.1×	729 0.8×	532 1.2×	622 1.4×	258 1.0×	149	3.3k
Xue-Tao Xu China	32	1.6k 1.4×	513 0.6×	311 0.7×	353 0.8×	606 2.4×	134	3.6k
Side Yao China	28	539 0.4×	640 0.7×	409 1.0×	480 1.1×	330 1.3×	134	2.8k
Mazaher Ahmadi Iran	31	522 0.4×	485 0.6×	614 1.4×	609 1.4×	276 1.1×	74	3.0k
Rangappa S. Keri India	32	3.5k 2.9×	892 1.0×	120 0.3×	303 0.7×	170 0.7×	135	5.1k
Magdi E. A. Zaki Saudi Arabia	26	2.0k 1.7×	611 0.7×	151 0.4×	161 0.4×	208 0.8×	385	3.4k
Syed Ali Raza Naqvi Pakistan	27	802 0.7×	352 0.4×	174 0.4×	235 0.5×	162 0.6×	137	2.2k
Magda H. Abdellattif Saudi Arabia	26	937 0.8×	394 0.5×	142 0.3×	224 0.5×	133 0.5×	147	2.2k
Mahboob Alam South Korea	27	1.0k 0.8×	423 0.5×	157 0.4×	201 0.5×	107 0.4×	179	2.6k

Countries citing papers authored by Umashankar Das

Since Specialization

Citations

This map shows the geographic impact of Umashankar Das's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Umashankar Das with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Umashankar Das more than expected).

Fields of papers citing papers by Umashankar Das

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Umashankar Das. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Umashankar Das. The network helps show where Umashankar Das may publish in the future.

Co-authorship network of co-authors of Umashankar Das

This figure shows the co-authorship network connecting the top 25 collaborators of Umashankar Das. A scholar is included among the top collaborators of Umashankar Das based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Umashankar Das. Umashankar Das is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Das, Umashankar, et al.. (2025). Photo/electro-catalytic stereo/enantioselective cross aza-pinacol coupling: synthesis of chiral amino alcohols. Chemical Communications. 61(62). 11581–11596. 1 indexed citations

Das, Swagatika, Hiroshi Sakagami, Naoki Umemura, et al.. (2024). Dimeric 3,5-Bis(benzylidene)-4-piperidones: Tumor-Selective Cytotoxicity and Structure-Activity Relationships. SHILAP Revista de lepidopterología. 11(1). 3–3. 2 indexed citations

Hossain, Mohammad, Hiroshi Sakagami, Keitaro Satoh, et al.. (2022). Dichloroacetyl Amides of 3,5-Bis(benzylidene)-4-piperidones Displaying Greater Toxicity to Neoplasms than to Non-Malignant Cells. SHILAP Revista de lepidopterología. 9(6). 35–35. 1 indexed citations

Hossain, Mohammad, et al.. (2022). Cytotoxic derivatives of dichloroacetic acid and some metal complexes. Archiv der Pharmazie. 355(11). e2200236–e2200236. 6 indexed citations

Sakagami, Hiroshi, Shigeru Amano, Keitaro Satoh, et al.. (2022). Novel Unsymmetric 3,5-Bis(benzylidene)-4-piperidones That Display Tumor-Selective Toxicity. Molecules. 27(19). 6718–6718. 1 indexed citations

Hossain, Mohammad, et al.. (2020). Discovery and Investigation of 1-[4-(2-Aminoethoxy)Phenylcarbonyl]- 3,5-Bis-(Benzylidene)-4-Piperidones as Candidate Antineoplastic Agents: Our Last 15 Years Study. Current Medicinal Chemistry. 28(13). 2453–2464. 6 indexed citations

Devi, Parmila, Umashankar Das, & Ajay K. Dalai. (2016). In-situ chemical oxidation: Principle and applications of peroxide and persulfate treatments in wastewater systems. The Science of The Total Environment. 571. 643–657. 491 indexed citations breakdown →

Das, Umashankar, Armando Varela‐Ramírez, Carolina Lema, et al.. (2016). Tumor-selective Cytotoxicity of a Novel Pentadiene Analogue on Human Leukemia/lymphoma Cells. PubMed. 3(2). 138–146. 20 indexed citations

Robles‐Escajeda, Elisa, Umashankar Das, Giulio Francia, et al.. (2016). A novel curcumin-like dienone induces apoptosis in triple-negative breast cancer cells. Cellular Oncology. 39(3). 265–277. 72 indexed citations

10.

Das, Swagatika, Umashankar Das, Déborah Michel, Dennis K.J. Gorecki, & Jonathan R. Dimmock. (2013). Novel 3,5-bis(arylidene)-4-piperidone dimers: Potent cytotoxins against colon cancer cells. European Journal of Medicinal Chemistry. 64. 321–328. 26 indexed citations

11.

Das, Swagatika, Umashankar Das, Hiroshi Sakagami, et al.. (2012). Dimeric 3,5-bis(benzylidene)-4-piperidones: A novel cluster of tumour-selective cytotoxins possessing multidrug-resistant properties. European Journal of Medicinal Chemistry. 51. 193–199. 26 indexed citations

12.

Mete, Ebru, Halise İnci Gül, Rengül Çetin-Atalay, et al.. (2011). The Design and Cytotoxic Evaluation of Some 1‐Aryl‐3‐isopropylamino‐1‐propanone Hydrochlorides towards Human Huh‐7 Hepatoma Cells. Archiv der Pharmazie. 344(5). 333–339. 8 indexed citations

13.

Das, Umashankar, Hiroshi Sakagami, Qing Chu, et al.. (2010). 1,3‐Diaryl‐2‐propenones and 2‐Benzylidene‐1,3‐indandiones: A Quest for Compounds Displaying Greater Toxicity to Neoplasms than Normal Cells. Archiv der Pharmazie. 343(9). 535–541. 8 indexed citations

14.

Das, Swagatika, Umashankar Das, Ponniah Selvakumar, et al.. (2009). 3,5‐Bis(benzylidene)‐4‐oxo‐1‐phosphonopiperidines and Related Diethyl Esters: Potent Cytotoxins with Multi‐Drug‐Resistance Reverting Properties. ChemMedChem. 4(11). 1831–1840. 43 indexed citations

15.

Das, Umashankar, Rajendra K. Sharma, & J.R. Dimmock. (2009). 1,5-Diaryl-3-oxo-1,4-pentadienes: A Case for Antineoplastics with Multiple Targets. Current Medicinal Chemistry. 16(16). 2001–2020. 63 indexed citations

16.

Dittenhafer‐Reed, Kristin E., Umashankar Das, Hilary Mackay, et al.. (2008). 2-(3-ARYLACRYLOYL)-3-METHYLQUINOXALINE 1,4-DIOXIDES AS POTENTIAL HYPOXIC SELECTIVE CYTOTOXINS. Heterocyclic Communications. 14(5). 385–388. 1 indexed citations

17.

Stepkowski, Stanislaw M., Mouer Wang, Neelam Tejpal, et al.. (2005). The Mannich Base NC1153 Promotes Long-Term Allograft Survival and Spares the Recipient from Multiple Toxicities. The Journal of Immunology. 175(7). 4236–4246. 29 indexed citations

18.

Dimmock, Jonathan R., Umashankar Das, Halise İnci Gül, et al.. (2005). 3-Arylidene-1-(4-nitrophenylmethylene)-3,4-dihydro-1H-naphthalen-2-ones and related compounds displaying selective toxicity and reversal of multidrug resistance in neoplastic cells. Bioorganic & Medicinal Chemistry Letters. 15(6). 1633–1636. 33 indexed citations

19.

Dimmock, Jonathan R., Sriram Gunda, Sarvesh C. Vashishtha, et al.. (2004). Anticonvulsants Containing the N-(3-Aryl-2-propenoyl) amido Pharmacophore. Journal of Enzyme Inhibition and Medicinal Chemistry. 19(4). 303–312. 8 indexed citations

20.

Dimmock, Jonathan R., Maniyan P. Padmanilayam, Umashankar Das, et al.. (2003). Cytotoxic Mannich Bases of 1-Arylidene-2-tetralones. Journal of Enzyme Inhibition and Medicinal Chemistry. 18(4). 313–324. 9 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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