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Herein, we report a Rh\/(\n                    <jats:italic>S<\/jats:italic>\n                    ,\n                    <jats:italic>R<\/jats:italic>\n                    )\u2010DTB\u2010YanPhos\u2010catalyzed asymmetric hydroformylation of readily available aryl vinyl ethers, affording chiral 2\u2010aryloxypropanals in up to 99% yield and 98% ee with excellent chemo\u2010, regio\u2010, and enantioselectivity. The protocol features broad substrate scope, high catalytic efficiency (TON up to 6300), and excellent catalyst robustness. Gram\u2010scale synthesis and efficient conversion of the aldehydes into optically enriched aryloxypropionic acid herbicides demonstrate the practical utility of this method, providing a straightforward catalytic route to valuable chiral herbicide intermediates and related building blocks.\n                  <\/jats:p>","DOI":"10.1002\/chem.71723","type":"journal-article","created":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T12:03:58Z","timestamp":1790337838000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Asymmetric Hydroformylation of Aryl Vinyl Ethers to Chiral 2\u2010Aryloxypropanals: Access to Aryloxypropionic Acid Herbicide Precursors"],"prefix":"10.1002","author":[{"given":"Jianqiang","family":"Zheng","sequence":"first","affiliation":[{"name":"Department of Chemistry and Shenzhen Grubbs Institute Southern University of Science and Technology  Shenzhen 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