Shawn D. Walker

3.8k citations

34 papers · 3.3k indexed · 2 hit papers · h-index 17

Co-authors: Joseph R. Martinelli Timothy E. Barder Stephen L. Buchwald Margaret M. Faul Sheng Cui Jacqueline C. S. Woo Yongxin Han Robert N. Young
Topics: Catalytic Cross-Coupling Reactions (8 papers)Synthetic Organic Chemistry Methods (6 papers)Asymmetric Synthesis and Catalysis (6 papers)
Cited by: Organic Chemistry Inorganic Chemistry Pharmaceutical Science
Journals: Journal of the American Chemical Society Angewandte Chemie International Edition The Journal of Organic Chemistry
Partner nations: United States Canada Netherlands

In The Last Decade

Shawn D. Walker

34 papers receiving 3.2k 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.

Catalysts for Suzuki−Miyaura Coupling Processes: Scope and Studies of the Effect of Ligand Structure

2005 1.6k citations Timothy E. Barder, Shawn D. Walker et al. profile →
A Rationally Designed Universal Catalyst for Suzuki–Miyaura Coupling Processes

2004 782 citations Shawn D. Walker, Timothy E. Barder et al. Angewandte Chemie International Edition profile →

Peers

Countries citing papers authored by Shawn D. Walker

Since Specialization

Citations

This map shows the geographic impact of Shawn D. Walker'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 Shawn D. Walker with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Shawn D. Walker more than expected).

Fields of papers citing papers by Shawn D. Walker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Shawn D. Walker. 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 Shawn D. Walker. The network helps show where Shawn D. Walker may publish in the future.

Co-authorship network of co-authors of Shawn D. Walker

This figure shows the co-authorship network connecting the top 25 collaborators of Shawn D. Walker. A scholar is included among the top collaborators of Shawn D. Walker 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 Shawn D. Walker. Shawn D. Walker 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

#	Work	Indexed citations
1	Structural Elucidation and Absolute Stereochemistry for Pharma Compounds Using MicroED 2024 ·Organic Letters ·(unknown),Jessica E. Burch,David A. Delgadillo,(unknown),(unknown),Austin G. Smith,Seb Caille,Shawn D. Walker,Ryan P. Wurz,Victor J. Cee,José A. Rodríguez,(unknown),Kyle W. Quasdorf,Hosea M. Nelson	1
2	Development of a Robust and Highly Selective Ru(II)-Catalyzed Dynamic Kinetic Resolution Used to Manufacture AMG 232 2020 ·Organic Process Research & Development ·Austin G. Smith,Matthew M. Bio,John Colyer,(unknown),(unknown),(unknown),Maria Victoria Silva Elipe,Jason S. Tedrow,Shawn D. Walker,Seb Caille	2
3	Continuous Process Improvement in the Manufacture of Carfilzomib, Part 1: Process Understanding and Improvements in the Commercial Route to Prepare the Epoxyketone Warhead 2020 ·Organic Process Research & Development ·Peter K. Dornan,(unknown),Matthew G. Beaver,Guilong Cheng,(unknown),Sheng Cui,(unknown),Neil F. Langille,(unknown),(unknown),(unknown),Scott W. Roberts,(unknown),John L. Tucker,Simone Spada,(unknown),Shawn D. Walker	4
4	Continuous Process Improvement in the Manufacture of Carfilzomib, Part 2: An Improved Process for Synthesis of the Epoxyketone Warhead 2020 ·Organic Process Research & Development ·Matthew G. Beaver,(unknown),(unknown),Parth Patel,(unknown),Michael T. Corbett,(unknown),Andrew T. Parsons,Sheng Cui,Kyle D. Baucom,Michael A. Lovette,Elçin Içten,Derek B. Brown,Ayman D. Allian,Tawnya G. Flick,Wendy Chen,Ning Yang,Shawn D. Walker	19
5	Manufacturing of [¹⁴C]-Labeled Drug Substance and Drug Product Utilized in Clinical Research: A Case Study of Omecamtiv Mecarbil 2016 ·Current Pharmaceutical Design ·Scott W. Roberts,J.M. Bezemer,Michael Kennedy,Tiffany L. Correll,Raju Subramanian,Shawn D. Walker	2
6	Appearance of a New Hydrated Form during Development: A Case Study in Process and Solid-State Optimization 2015 ·Organic Process Research & Development ·Henry Morrison,Bin Quan,Shawn D. Walker,Karl B. Hansen,Karthik Nagapudi,Sheng Cui	14
7	Discovery of Holocene millennial climate cycles in the Asian continental interior: Has the sun been governing the continental climate? 2013 ·Global and Planetary Change ·Vadim A. Kravchinsky,Cor G. Langereis,Shawn D. Walker,(unknown),Dustin White	19
8	Catalytic Asymmetric Synthesis of a Tertiary Benzylic Carbon Center via Phenol-Directed Alkene Hydrogenation 2011 ·The Journal of Organic Chemistry ·Seb Caille,(unknown),Krishnakumar Ranganathan,Xiang Wang,Jacqueline C. S. Woo,Shawn D. Walker	9
9	Selective Catalytic Hydrogenation of Nitro Groups in the Presence of Activated Heteroaryl Halides 2011 ·The Journal of Organic Chemistry ·(unknown),Cécile Savarin,Alan M. Allgeier,Shawn D. Walker	29
10	Asymmetric syntheses of a GPR40 receptor agonist via diastereoselective and enantioselective conjugate alkynylation 2010 ·Tetrahedron ·Jacqueline C. S. Woo,Sheng Cui,Shawn D. Walker,Margaret M. Faul	23
11	Rational Screening Approach for Classical Chiral Resolution under Thermodynamic Equilibrium: A Case Study of Diphenyl-Substituted N-Methyl-Piperazine 2010 ·Organic Process Research & Development ·(unknown),Sheng Cui,Kyung H. Gahm,Luu Van Boi,Shawn D. Walker	6
12	A synthetic approach to the variecolin class of sesterterpenoids : total syntheses of (+-)-5-deoxovariecolin, (+-)-5-deoxyvariecolol and (+-)-5-deoxyvariecolactone. A new cyclopheptenone annulation method employing the bifunctional reagent (Z)-5-iodo-1-tributylstannylpent-1-ene 2009 ·Open Collections ·Shawn D. Walker	2
13	Preparation and decarboxylative rearrangement of (Z)-enyne esters 2007 ·Tetrahedron Letters ·Jacqueline C. S. Woo,Shawn D. Walker,Margaret M. Faul	7
14	Catalysts for Suzuki—Miyaura Coupling Processes: Scope and Studies of the Effect of Ligand Structure. 2005 ·ChemInform ·Timothy E. Barder,Shawn D. Walker,Joseph R. Martinelli,Stephen L. Buchwald	5
15	A Rationally Designed Universal Catalyst for Suzuki–Miyaura Coupling Processesbreakdown → 2004 ·Angewandte Chemie International Edition ·Shawn D. Walker,Timothy E. Barder,Joseph R. Martinelli,Stephen L. Buchwald	782
16	A Rationally Designed Universal Catalyst for Suzuki–Miyaura Coupling Processes 2004 ·Angewandte Chemie ·Shawn D. Walker,Timothy E. Barder,Joseph R. Martinelli,Stephen L. Buchwald	235
17	A new cycloheptenone annulation method: use of the bifunctional reagent (Z )-5-iodo-1-tributylstannylpent-1-ene in organic synthesis 2000 ·Journal of the Chemical Society Perkin Transactions 1 ·Edward Piers,Shawn D. Walker,(unknown)	7
18	Sequential Anionic 1,3 Ester Shifts and Intramolecular Stille Couplings: A New Protocol for the Concise Assembly of Functionalized Polycyclic Dienes 1999 ·Synlett ·Edward Piers,Miguel A. Romero,Shawn D. Walker	3
19	Silicon directed ipso-substitution of polymer bound arylsilanes: Preparation of biaryls via the Suzuki cross-coupling reaction 1996 ·Tetrahedron Letters ·Yongxin Han,Shawn D. Walker,Robert N. Young	79
20	McElroy Field--U.S.A. Central Basin Platform Permian Basin, Texas 1990 ·Paul M. Harris,Shawn D. Walker	5

About Shawn D. Walker

Shawn D. Walker is a scholar working on Pharmaceutical Science, Organic Chemistry and Inorganic Chemistry, having authored 34 papers that have together received 3.3k indexed citations. Recurring topics across this work include Catalytic Cross-Coupling Reactions (8 papers), Synthetic Organic Chemistry Methods (6 papers) and Asymmetric Synthesis and Catalysis (6 papers). The work is most often cited by research in Organic Chemistry (2.9k citations), Inorganic Chemistry (550 citations) and Pharmaceutical Science (103 citations). Shawn D. Walker has collaborated with scholars based in United States, Canada and Netherlands. Frequent co-authors include Joseph R. Martinelli, Timothy E. Barder, Stephen L. Buchwald, Margaret M. Faul, Sheng Cui, Jacqueline C. S. Woo, Yongxin Han, Robert N. Young, Seb Caille and Christopher J. Borths. Their work appears in journals such as Journal of the American Chemical Society, Angewandte Chemie International Edition and The Journal of Organic Chemistry.

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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