Publications
(20) Efficient amide formation from non-activated cyclopropyl ester via acyl fluoride generation using hypervalent iodine(III) reagent and Selectfluor.
E.-S. Choi, H.-C. Jeong, Y.-L. Han, H.-J. Lee*, K. Maruoka*. Asian J. Org. Chem., 12, e202300333 (2023).
(19) Recent Asymmetric Phase-Transfer Catalysis with Chiral Binaphthyl-Modified and Related Phase-Transfer Catalysts over the Last 10 Years
H.-J. Lee*, K. Maruoka*, Chem. Rec., e202200286 (2023).
(18) Development of a Catalytic Ester Activation Protocol for the Efficient Formation of Amide Bonds using an Ar−I/HF⋅pyridine/mCPBA System
H.-J. Lee*, Eun-Sol Choi, K. Maruoka*, Asian J. Org. Chem., 11, e202200483 (2022).
(17) Design of Bifunctional Amino Tf-Amide Organocatalysts and Applications in Various Asymmetric Transformations
H.-J. Lee*, K. Maruoka*, Chem. Rec., 22, e202280501 (2022).
(Selected as cover picture)
(16) Metal-Free Approach for Hindered Amide-Bond Formation with Hypervalent Iodine(III) Reagents: Application to Hindered Peptide Synthesis
(Highlighted in SYNFACTS 2021, 17, 0828)
H.-J. Lee, X. Huang, S. Sakaki, K. Maruoka, Green Chem., 23, 848-855 (2021).
(15) Development of New Radical-mediated Selective Reactions Promoted by Hypervalent Iodine(III) Reagents
A. Matsumoto, H.-J. Lee, K. Maruoka, Chem. Rec., 21, 1342-1357 (2021).
(14) Design of New Amino Tf-Amide Organocatalysts: Environmentally Benign Approach to Asymmetric Aldol SynthesisEnantioselective
H.-J. Lee, N. Arumugam, A. I. Almansour, R. S. Kumar, K. Maruoka, Synlett, 30, 401-404 (2019).
(13) Alkynylation of Isatin Derivatives Using a Chiral Phase-Transfer/Transition-Metal Hybrid Catalyst System
S. Paria, H.-J. Lee, K. Maruoka, ACS Catal., 9, 2395-2399 (2019).
(12) Synthesis of Enantiopure 2-Alkyl-1,3,3-Trinitroazetidines
H.-J. Ha, S.-J. Lee, D.-H. Chang, H.-J. Lee, B. Kim, S. H. Kim, J. S. Kim, C.-W. Cho, Bull. Korean Chem. Soc., 40, 872-873 (2019).
(11) Practical Synthesis of Four Different Pseudoenantiomeric Organocatalysts with Both Cis- and Trans-Substituted 1,2-Cis-cyclohexanediamine Structures from a Common Intermediate
H.-J. Lee, N. Arumugam, A. I. Almansour, R. S. Kumar, K. Maruoka, Tetrahedoron, 74, 5263-5269 (2018).
(10) Catalytic Enantioselective Synthesis of Carboxy-substituted 2-Isoxazolines by Cascade Oxa-Michael-Cyclization
H.-J. Lee, B. Eun, E. Sung, G. T. Hwang, Y. K. Ko, C.-W. Cho, Org. Biomol. Chem., 16, 657-664 (2018).
(9) Practical Synthesis of Two Different Pseudoenantiomeric Organocatalysts with cis-Cyclohexanediamine Structure from a Common Chiral Source
H.-J. Lee, S. A. Moteki, N. Arumugam, A. I. Almansour, R. S. Kumar, Y. Liu, K. Maruoka, Asian J. Org. Chem., 6, 1226-1230 (2017).
(8) A Two-Photon Fluorescent Probe for Lysosomal Zinc Ions
H.-J. Lee, C.-W. Cho, H. Seo, S. Singha, Y. W. Jun, K.-H. Lee, Y. Jung, K.-T. Kim, S. Park, S. C. Bae, K. H. Ahn, Chem. Commun., 52, 124-127 (2016).
(7) Enantioselective Phase-Transfer-Catalyzed Synthesis of Chiral N-Substituted 3,3-Dinitroazetidines by Aza-Michael Reaction
H.-J. Lee, C.-W. Cho, J. Org. Chem., 80, 11435-11440 (2015).
(6) Asymmetric Synthesis of Chiral 2-Alkyl-3,3-Dinitro-1-Tosylazetidines
H.-S. Yun, H.-J. Lee, D.-H. Chang, S.-J. Lee, S. H. Kim, J. S. Kim, C.-W. Cho, Bull. Korean Chem. Soc., 36, 1524-1525 (2015).
(5) Asymmetric Synthesis of Chiral Pyrrolizine-based Triheterocycles by Organocatalytic Cascade Aza-Michael‒Aldol reactions
H.-J. Lee, C.-W. Cho, Eur. J. Org. Chem., 387-394 (2014).
(4) Cinchona-Based Primary Amine-Catalyzed Asymmetric Cascade Aza-Michael‒Aldol Reactions of Enones with 2-(1H-Pyrrol-2-yl)-2-oxoacetates: Synthesis of Chiral Pyrrolizines with Multistereocenters
H.-J. Lee, C.-W. Cho, J. Org. Chem., 78, 3306-3312 (2013).
(3) Chemoselective Suzuki Cross-Coupling Reactions of Chiral Pyrrolizines
H.-J. Lee, C.-W. Cho, Bull. Korean Chem. Soc., 32, 359-360 (2011).
(2) Concise Asymmetric Formal Synthesis of Pyrrolopiperazinone Natural Products by Tandem Cross Metathesis/Intramolecular Aza-Conjugate Addition
S.-H. Kwon, H.-J. Lee, C.-W. Cho, Bull. Korean Chem. Soc., 32, 315-316 (2011).
(1) Organocatalytic Asymmetric Synthesis of Chiral Pyrrolizines by Cascade Conjugate Addition–Aldol Reactions
J.-Y. Bae, H.-J. Lee, S.-H. Youn, S.-H. Kwon, C.-W. Cho, Org. Lett., 12, 4352-4355 (2010).
