P-Stereogenic phosphorus ligands in asymmetric catalysis

T Imamoto - Chemical reviews, 2024 - ACS Publications
Chiral phosphorus ligands play a crucial role in asymmetric catalysis for the efficient
synthesis of useful optically active compounds. They are largely categorized into two …

Nitro and other electron withdrawing group activated ruthenium catalysts for olefin metathesis reactions

A Kajetanowicz, K Grela - Angewandte Chemie International …, 2021 - Wiley Online Library
Advanced applications of the Nobel Prize winning olefin metathesis reaction require user‐
friendly and highly universal catalysts. From many successful metathesis catalysts, which …

Azole‐Directed Cobalt‐Catalyzed Asymmetric Hydrogenation of Alkenes

Y Jin, Y Zou, Y Hu, Y Han, Z Zhang… - Chemistry–A European …, 2022 - Wiley Online Library
The azole‐directed cobalt‐catalyzed asymmetric hydrogenation of alkenes has been
developed with high efficiency. With this approach, chiral pyrazole compounds were …

Asymmetric inverse-electron-demand 1, 3-dipolar cycloadditions of cyclopentadienones and thiophene-1, 1-dioxide with C, N-cyclic azomethine imines

C Chen, XX Yang, Z Zhao, B Han, W Du… - Chemical …, 2022 - pubs.rsc.org
The normal 1, 3-dipolar cycloaddition between the carbonates of 4-hydroxy-2-
cyclopentenones and C, N-cyclic azomethine imines can be switched to an inverse-electron …

Cu-Catalyzed Asymmetric Aminoboration of E-Vinylarenes with pivZPhos as the Ligand

L Wu, O Zatolochnaya, B Qu, L Wu, LA Wells… - Organic …, 2019 - ACS Publications
A Cu-catalyzed enantioselective aminoboration of E-vinylarenes with piv ZPhos as a ligand
is reported. Enantioenriched aminoborates are prepared with excellent regio-and …

The Tetrafluoroethylene-Mediated Ring-Closing Metathesis: Enabling Unfavored Reactions

M Akiyama, Y Amabe, M Sugiyama… - Journal of the …, 2024 - ACS Publications
While ring-closing metathesis (RCM) is a powerful method for constructing medium and
large cyclic alkenes, its application to the synthesis of heterocycles faces considerable …

Exploration of chiral diastereomeric spiroketal (SPIROL)-based phosphinite ligands in asymmetric hydrogenation of heterocycles

S Sun, P Nagorny - Chemical Communications, 2020 - pubs.rsc.org
New and readily available chiral SPIROL-based diphosphinite ligands (SPIRAPO) have
been prepared and employed for iridium-catalyzed asymmetric hydrogenations of …

Photochemical diastereoselective synthesis and spectral characterization of (E)-3-(2-benzoylstyryl)-4H-chromen-4-ones

HB Tan, YH Yu, ZH Qi, X Zhang, ZG Xu… - Journal of Molecular …, 2023 - Elsevier
An efficient, concise, and green photochemical vinylogous aldol reaction for the
diastereoselective synthesis of novel trans-3-(2-benzoylstyryl)-4H-chromen-4-ones starting …

Catalysis and Synthesis Enabled by P-Chiral Dihydrobenzooxaphosphole Ligands

Z Cao, D He, W Tang - Organic Process Research & Development, 2024 - ACS Publications
P-Chiral phosphorus ligands received little attention in organic chemistry until Knowles
made his landmark contribution in asymmetric hydrogenation by developing the P-chiral …

Chiral Indolizidine Synthesis through the Ir-Catalyzed Asymmetric Hydrogenation of Cyclic Pyridinium Salts

W Li, S Zhang, X Yu, X Feng… - The Journal of Organic …, 2021 - ACS Publications
The Ir-catalyzed asymmetric hydrogenation of cyclic pyridinium salts is presented as a new
strategy for the convenient and efficient synthesis of chiral indolizidines. The asymmetric …