Prior to UNIST († equally contributed) 16. Photocatalytic N–N Cross-Coupling to Access N′-Aryl Hydrazides Jihye Kang,† Jeonguk Kweon,† Dongwook Kim, Sungwoo Hong, and Sukbok Chang*ACS Catal. 2025, 15, 18383-18390. 15. Mechanistic Evaluations of Photocatalytic Access to N-Centered Radicals and Nitrenoids Hoimin Jung,† Jeonguk Kweon,† and Sukbok Chang*Bull. Kor. Chem. Soc. 2025, 46, 1079-1087. 14. α-N-Phthalimido-oxy Isobutyrate-Mediated Deoxygenative Arylation: Total Synthesis of Alanenses A and B Yeong Eum Hyun, Jeonguk Kweon, Thi Hieu Linh Phan, Dongwook Kim, and Sunkyu Han*Chem. Sci. 2025, 16, 9943-9950. 13. Catalytic Amino Group Transfer Reactions Mediated by Photoinduced Nitrene Formation from Rhodium-Hydroxamates Hoimin Jung,† Jeonguk Kweon,† Jong-Min Suh, Andres Arribas, Dongwook Kim, Mi Hee Lim*, and Sukbok Chang* Angew. Chem., Int. Ed. 2025, 64, e202422461. 12. Nucleophilic Reductive Sulfinylation by Chain Isomerization of Sulfonylpyridinium Yifan Li,† Weigang Zhang,†,* Jeonguk Kweon,† Yi Pan, Qing Wang, Sukbok Chang*, and Yi Wang*Nat. Commun. 2025, 16, 377. 11. Stereoretentive Decarboxylative Amidation of α,β-Unsaturated Carboxylic Acids to Access Enamides Jeonguk Kweon, Minjeong Lee, and Sukbok Chang*Org. Lett., 2024, 26, 11157-11172. 10. Remote Catalytic C(sp³)–H Alkylation via Relayed Carbenoid Transfer upon Olefin Chain Walking Qing Wang, Jeonguk Kweon, Dongwook Kim, and Sukbok Chang*J. Am. Chem. Soc. 2024, 146, 31114-31123. 09. Enhancing the Sustainability and Scalability of Transition-Metal-Free Stereoretentive Decarboxylative Amidation with Dioxazolones Jeonguk Kweon,† Minjeong Lee,† Dongwook Kim, and Sukbok Chang*Org. Process Res. Dev. 2024, 28, 3691-3697. Highlighted in Synfacts 08. Decarboxylative Stereoretentive C–N Coupling by Harnessing Aminating Reagent Jeonguk Kweon,† Bumsu Park,† Dongwook Kim, and Sukbok Chang*Nat. Commun. 2024, 15, 3788. 07. A Formal γ-C–H Functionalization of Carboxylic Acids Guided by Iridium Nitrenoids as an Unprecedented Mechanistic Motif Sourav Pradhan,† Jeonguk Kweon,† Manoj Kumar Sahoo, Hoimin Jung, Joon Heo, Yeong Bum Kim, Dongwook Kim, Jung-Woo Park,* and Sukbok Chang*J. Am. Chem. Soc. 2023, 145, 28251-28263. 06. Mechanistic Snapshots of Rhodium-Catalyzed Acylnitrene Transfer Reactions Hoimin Jung, Jeonguk Kweon, Jong-Min Suh, Mi Hee Lim, Dongwook Kim*, and Sukbok Chang*Science 2023, 381, 525-532. Highlighted in EurekAlert!Highlighted in Phys.Org Highlighted in Science Daily Highlighted in Synform Highlighted in Synthesis Workshop 05. Photoinduced Transition Metal-Free Chan-Evans-Lam-Type Coupling: Dual Photoexcitation Mode with Halide Anion Effect Zijun Zhou,† Jeonguk Kweon,† Hoimin Jung, Dongwook Kim, Sangwon Seo, and Sukbok Chang*J. Am. Chem. Soc. 2022, 144, 9161-9171. 04. Access to β-Lactams via Iron-Catalyzed Olefin Oxyamidation Enabled by π-Accepting Phthalocyanine Ligand Jeonguk Kweon, Dongwook Kim, Seungju Kang, and Sukbok Chang*J. Am. Chem. Soc. 2022, 144, 1872-1880. 03. Highly Robust Iron Catalyst System for C(sp³)–H Amidation Leading to γ-Lactams Jeonguk Kweon and Sukbok Chang*Angew. Chem., Int. Ed. 2021, 60, 2909-2914. Selected as Very Important Paper (VIP) and Hot PaperHighlighted in SynfactsFeatured in Org. Chem. Highlights: C-H Functionalization 02. Tuning Triplet Energy of Hydroxamates as the Nitrene Precursor for Intramolecular C(sp³)–H Amidation Hoimin Jung, Hyeyun Keum, Jeonguk Kweon, and Sukbok Chang*J. Am. Chem. Soc. 2020, 142, 5811-5818. 01. A Study of the CO2/CO/CH4 Adsorption Ability of Porphyrin Paddle-Wheel Frameworks (PPFs) Hojoon Song, Ilhwan Kong, Ilju Ko, Junmo Kang, Yong Jeong Kim, Jeonguk Kweon, Yongjun Cha, Eugene Kim, Tae Su Jeon, and Eun-Young Choi* Pol. Bull. 2016, 73, 2593-2603.