Phosphine‐catalyzed enantioselective dearomative [3+ 2]‐cycloaddition of 3‐nitroindoles and 2‐nitrobenzofurans

H Wang, J Zhang, Y Tu, J Zhang - Angewandte Chemie, 2019 - Wiley Online Library
Over the past years, the metal‐catalyzed dearomative cycloaddition of 3‐nitroindoles and 2‐
nitrobenzofurans have emerged as a powerful protocol to construct chiral fused heterocyclic …

Catalytic asymmetric Staudinger–aza-Wittig reaction for the synthesis of heterocyclic amines

L Cai, K Zhang, S Chen, RJ Lepage… - Journal of the …, 2019 - ACS Publications
Many natural products and medicinal drugs are heterocyclic amines possessing a chiral
quaternary carbon atom in their heterocyclic ring. Herein, we report the first catalytic and …

Catalytic and Asymmetric Process via PIII/PV═O Redox Cycling: Access to (Trifluoromethyl)cyclobutenes via a Michael Addition/Wittig Olefination Reaction

C Lorton, T Castanheiro, A Voituriez - Journal of the American …, 2019 - ACS Publications
In the present study, we report the first enantioselective and highly efficient phosphine-
catalyzed process via a chemoselective in situ phosphine oxide reduction. Starting with 4, 4 …

Chiral aminophosphines derived from hydroxyproline and their application in allene–imine [4+ 2] annulation

SN Khong, C Xie, X Wang, H Tan, O Kwon - The Journal of antibiotics, 2019 - nature.com
A robust synthetic route from l-hydroxyproline (l-Hyp) to phosphines has established an
expandable library of six chiral aminophosphines, which were then applied to the phosphine …

[HTML][HTML] Discussion Addendum for: Phosphine-Catalyzed [4+ 2] Annulation: Synthesis of Ethyl 6-Phenyl-1-tosyl-1, 2, 5, 6-tetrahydropyridine-3-carboxylate

AC Shaikh, O Kwon - Organic syntheses; an annual publication of …, 2019 - ncbi.nlm.nih.gov
Discussion Addendum for: Phosphine-Catalyzed [4 + 2] Annulation: Synthesis of Ethyl 6-Phenyl-1-tosyl-1,2,5,6-tetrahydropyridine-3-carboxylate
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