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Qian Wang; De-Xian Wang; Mei-Xiang Wang; Jieping Zhu. Still Unconquered: Enantioselective Passerini and Ugi Multicomponent Reactions. Accounts of Chemical Research. 2018-04-30, s. 1290–1300. doi:10.1021/acs.accounts.8b00105.
Jian Zhang; Peiyuan Yu; Shao-Yu Li; He Sun; Shao-Hua Xiang; Jun Wang; Kendall N. Houk. Asymmetric phosphoric acid–catalyzed four-component Ugi reaction. Science. 2018-09-13, s. eaas8707. doi:10.1126/science.aas8707.
Complexity-Enhancing Acid-Promoted Rearrangement of Tricyclic Products of Tandem Ugi 4CC/Intramolecular Diels-Alder Reaction Alexei Ilyin, Volodymyr Kysil, Mikhail Krasavin, Irina Kurashvili, and Alexandre V. Ivachtchenko The Journal of Organic Chemistry; 2006; 71(25) pp 9544 - 9547; (Note) doi:10.1021/jo061825f
Direct Access to Heterocyclic Scaffolds by New Multicomponent Ugi-Smiles Couplings Laurent El Kaim, Marie Gizolme, Laurence Grimaud, and Julie Oble Organic Letters; 2006; 8(18) pp 4019 - 4021; (Letter) doi:10.1021/ol061605o
Rapid Access to Oxindoles by the Combined Use of an Ugi Four-Component Reaction and a Microwave-Assisted Intramolecular Buchwald-Hartwig Amidation Reaction Florence Bonnaterre, Michèle Bois-Choussy, and Jieping Zhu Organic Letters; 2006; 8(19) pp 4351–4354; (Letter) doi:10.1021/ol061755z
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