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In this paper, novel chiral tertiary amine\u2010squaramide derived from the natural product of the stevioside was developed and applied into the asymmetric Michael addition of acetylacetone to nitroolefins. This asymmetric reaction performed well, and a series of enantiomerically enriched compounds were obtained in high yields (up to 96%) with excellent enantioselectivities (up to 99% ee).<\/jats:p>","DOI":"10.1002\/chir.23391","type":"journal-article","created":{"date-parts":[[2021,11,8]],"date-time":"2021-11-08T09:26:10Z","timestamp":1636363570000},"page":"77-85","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["A novel isosteviol\u2010based bifunctional squaramide organocatalyst for enantioselective Michael addition of acetylacetone to nitroolefins"],"prefix":"10.1002","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4589-6387","authenticated-orcid":false,"given":"Zhiwei","family":"Ma","sequence":"first","affiliation":[{"name":"Faculty of Science Henan University of Animal Husbandry and Economy  Zhengzhou 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