Phosphoramidites: privileged ligands in asymmetric catalysis

JF Teichert, BL Feringa - Angewandte Chemie International …, 2010 - Wiley Online Library
Asymmetric catalysis with transition‐metal complexes is the basis for a vast array of
stereoselective transformations and has changed the face of modern synthetic chemistry …

Enantioselective copper-catalyzed conjugate addition and allylic substitution reactions

A Alexakis, JE Backvall, N Krause, O Pàmies… - Chemical …, 2008 - ACS Publications
In the past decades there has been a dramatic increase in the demand for enantiopure
compounds for fine-chemicals (ie, agrochemicals and pharmaceuticals) and material …

Recent advances in metal-catalyzed asymmetric conjugate additions

J Christoffers, G Koripelly, A Rosiak, M Roessle - Synthesis, 2007 - thieme-connect.com
The conjugate addition of carbon nucleophiles to acceptor activated olefins is one of the
most important reactions for carbon-carbon bond formation. With optically active metal …

Enantioselective Catalytic Dearomative Addition of Grignard Reagents to 4-Methoxypyridinium Ions

Y Guo, M Castiñeira Reis, J Kootstra… - ACS catalysis, 2021 - ACS Publications
We describe a general catalytic methodology for the enantioselective dearomative alkylation
of pyridine derivatives with Grignard reagents, allowing direct access to nearly enantiopure …

Cyclic enaminones. Part II: applications as versatile intermediates in alkaloid synthesis

AK Chattopadhyay, S Hanessian - Chemical communications, 2015 - pubs.rsc.org
Among many other strategies, the enaminone approach is an important strategy to construct
and diversify the azacyclic core in various alkaloids syntheses. In this brief review we …

Phosphoramidite: privilegierte Liganden in der asymmetrischen Katalyse

JF Teichert, BL Feringa - Angewandte Chemie, 2010 - Wiley Online Library
Die asymmetrische Katalyse mit Übergangsmetallkomplexen ist die Grundlage unzähliger
stereoselektiver Umwandlungen und hat damit das Bild der modernen Synthesechemie …

Asymmetric transition-metal catalysis in the formation and functionalization of metal enolates

D Vargova, I Nemethova, K Plevova, R Sebesta - ACS Catalysis, 2019 - ACS Publications
This review comprises two major parts, which have chiral metal enolates as their focus. In
the first part, we discuss transition-metal-catalyzed conjugate additions leading to chiral …

Organo [2-(hydroxymethyl) phenyl] dimethylsilanes as mild and reproducible agents for rhodium-catalyzed 1, 4-addition reactions

Y Nakao, J Chen, H Imanaka, T Hiyama… - Journal of the …, 2007 - ACS Publications
Stable and reusable tetraorganosilicon reagents, alkenyl-, aryl-, and silyl [2-(hydroxymethyl)
phenyl] dimethylsilanes, undergo 1, 4-addition reactions to α, β-unsaturated carbonyl …

Enantioselective 1,4-Addition of Ar3Bi, [ArBF3]K, and ArSiF3 to Enones Catalyzed by a Dicationic Palladium(II)−Chiraphos or −Dipamp Complex

T Nishikata, Y Yamamoto, ID Gridnev… - Organometallics, 2005 - ACS Publications
Chiral complexes of [Pd (S, S-chiraphos)(PhCN) 2](SbF6) 2 (2b) and [Pd (S, S-
dipamp)(PhCN) 2](SbF6) 2 (2c) catalyzed the highly enantioselective 1, 4-additions of …

Development of New P-Chiral Phosphorodiamidite Ligands Having a Pyrrolo[1,2-c]diazaphosphol-1-one Unit and Their Application to Regio- and Enantioselective …

M Kimura, Y Uozumi - The Journal of Organic Chemistry, 2007 - ACS Publications
Ten types of new P-chiral phosphorodiamidite ligands having pyrrolo [1, 2-c][1, 3, 2]
diazaphosphol-1-one backbone were designed and prepared. They were preliminarily …