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 …
synthesis of useful optically active compounds. They are largely categorized into two …
Recent advances in the enantioselective synthesis of chiral amines via transition metal-catalyzed asymmetric hydrogenation
A Cabré, X Verdaguer, A Riera - Chemical Reviews, 2021 - ACS Publications
Chiral amines are key structural motifs present in a wide variety of natural products, drugs,
and other biologically active compounds. During the past decade, significant advances have …
and other biologically active compounds. During the past decade, significant advances have …
Rigid P-Chiral Phosphine Ligands with tert-Butylmethylphosphino Groups for Rhodium-Catalyzed Asymmetric Hydrogenation of Functionalized Alkenes
T Imamoto, K Tamura, Z Zhang, Y Horiuchi… - Journal of the …, 2012 - ACS Publications
Both enantiomers of 2, 3-bis (tert-butylmethylphosphino) quinoxaline (QuinoxP*), 1, 2-bis
(tert-butylmethylphosphino) benzene (BenzP*), and 1, 2-bis (tert-butylmethylphosphino)-4, 5 …
(tert-butylmethylphosphino) benzene (BenzP*), and 1, 2-bis (tert-butylmethylphosphino)-4, 5 …
Searching for Practically Useful P‐Chirogenic Phosphine Ligands
T Imamoto - The Chemical Record, 2016 - Wiley Online Library
In this account, the design, synthesis, and application of P‐chirogenic phosphine ligands
that have been mainly carried out in our laboratory over the last three decades are …
that have been mainly carried out in our laboratory over the last three decades are …
Catalytic applications of small bite-angle diphosphorus ligands with single-atom linkers
SM Mansell - Dalton Transactions, 2017 - pubs.rsc.org
Diphosphorus ligands connected by a single atom (R2PEPR2; E= CR2, CCR2 and NR) give
chelating ligands with very small bite-angles (natural bite-angle of 72° for dppm) as well as …
chelating ligands with very small bite-angles (natural bite-angle of 72° for dppm) as well as …
Ferrocenyl chiral bisphosphorus ligands for highly enantioselective asymmetric hydrogenation via noncovalent ion pair interaction
C Chen, H Wang, Z Zhang, S Jin, S Wen, J Ji… - Chemical …, 2016 - pmc.ncbi.nlm.nih.gov
A new class of ferrocenyl chiral bisphosphorus ligand, Wudaphos, was developed, and
exhibits excellent ee and activity (ee up to 99%, TON up to 20 000) for the asymmetric …
exhibits excellent ee and activity (ee up to 99%, TON up to 20 000) for the asymmetric …
Nickel-catalyzed enantioselective hydrogenation of β-(acylamino) acrylates: synthesis of chiral β-amino acid derivatives
X Li, C You, S Li, H Lv, X Zhang - Organic letters, 2017 - ACS Publications
The nickel-catalyzed asymmetric hydrogenation of β-(acylamino) acrylates has been
developed, affording chiral β-amino acid derivatives with excellent yields (95–99% yield) …
developed, affording chiral β-amino acid derivatives with excellent yields (95–99% yield) …
ChenPhos: Highly Modular P-Stereogenic C1-Symmetric Diphosphine Ligands for the Efficient Asymmetric Hydrogenation of α-Substituted Cinnamic Acids.
W Chen, F Spindler, B Pugin… - Angewandte Chemie …, 2013 - search.ebscohost.com
These cats are purrfectionists: The ChenPhos ligands (see structure) showed dramatically
higher catalytic activity in the title reaction than their C2‐symmetric predecessor with two …
higher catalytic activity in the title reaction than their C2‐symmetric predecessor with two …
[Metal–Diphosphine]-Catalyzed Asymmetric Hydrogenation of β-Amido β-Substituted Acrylates: A Practical Literature Overview
M Stephan, M Jeran, B Mohar - Organic Process Research & …, 2023 - ACS Publications
Transition-metal-complex-catalyzed asymmetric hydrogenation of archetypal β-amido β-
(methyl or phenyl) acrylates (and close derivatives) into the corresponding enantioenriched …
(methyl or phenyl) acrylates (and close derivatives) into the corresponding enantioenriched …
A bulky three-hindered quadrant bisphosphine ligand: Synthesis and application in rhodium-catalyzed asymmetric hydrogenation of functionalized alkenes
Y Sawatsugawa, K Tamura, N Sano, T Imamoto - Organic letters, 2019 - ACS Publications
A bulky three-hindered quadrant bisphosphine ligand, di-1-adamantylphosphino (tert-
butylmethylphosphino) methane, named BulkyP*, has been synthesized via a convergent …
butylmethylphosphino) methane, named BulkyP*, has been synthesized via a convergent …