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Weijun Yao
Researcher at National University of Singapore
Publications - 74
Citations - 2271
Weijun Yao is an academic researcher from National University of Singapore. The author has contributed to research in topics: Enantioselective synthesis & Catalysis. The author has an hindex of 25, co-authored 61 publications receiving 2009 citations. Previous affiliations of Weijun Yao include Zhejiang University.
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Journal ArticleDOI
Amino Acid-Derived Bifunctional Phosphines for Enantioselective Transformations
TL;DR: The goal is to develop a family of easily derived phosphine catalysts that are efficient in asymmetric induction for a broad range of phosphine-mediated transformations, including the establishment of the new families of powerful amino acid-derived bifunctional phosphines.
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Asymmetric Synthesis of Spiropyrazolones through Phosphine‐Catalyzed [4+1] Annulation
TL;DR: This is the first asymmetric example in which α-substituted allenoates were utilized as a C4 synthon for phosphine-catalyzed [4+1] annulation.
Journal ArticleDOI
Highly enantioselective synthesis of 3,4-dihydropyrans through a phosphine-catalyzed [4+2] annulation of allenones and β,γ-unsaturated α-keto esters.
Weijun Yao,Xiaowei Dou,Yixin Lu +2 more
TL;DR: The synthetic value of the dihydropyran motif was demonstrated by a concise preparation of an anti-hypercholesterolemic agent by employing allene ketones as C2 synthons and β,γ-unsaturated α-keto esters as C4 synthons.
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Chiral phosphine catalyzed asymmetric Michael addition of oxindoles.
TL;DR: In this paper, the first highly enantioselective Michael addition of oxindoles catalyzed by chiral phosphines is described, which is the first Michael addition with chiral catalysts.
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Phosphine-mediated Highly Enantioselective Spirocyclization with Ketimines as Substrates.
TL;DR: A highly enantioselective [3+2] cycloaddition reaction that makes use of isatin-derived ketimines as reaction partners was developed, and both simple and γ-substituted allenoates could be utilized.