Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Nicholas Butt"'
Publikováno v:
Chinese Journal of Chemistry. 36:443-454
Publikováno v:
Advanced Synthesis & Catalysis. 359:1028-1036
A palladium-catalyzed addition of arylboronic acids to para-quinone methides has been developed. The catalytic system employing 4,4′-dimethoxy-2,2′-bipyridine (DMeO-BPy) as ligand and trifluoroethanol (TFE) as solvent provides diarylacetate produ
Publikováno v:
The Chemical Record. 16:2687-2696
Allylic alkylation reactions are some of the most important carbon-carbon bond forming reactions in organic synthesis. In particular, the alkylation of carbonyl substrates provides an efficient pathway to structurally diverse molecules. Such reaction
Publikováno v:
Chinese Journal of Catalysis. 37:98-101
Regioselective (site selective) control is one of the major aims of research directed towards the development of novel organic methodologies. Regioselective control is especially important for C−H activation reactions because most organic compounds
Autor:
Nicholas Butt, Wanbin Zhang
Publikováno v:
Chemical Society Reviews. 44:7929-7967
The transition metal-catalyzed allylic substitution of unactivated allylic substrates (allylic alcohols, allylic ethers and allylic amines) is rapidly becoming an important area of research. There are several advantages to using these substrates in a
Publikováno v:
Organic Letters. 16:4496-4499
An asymmetric domino reaction was developed utilizing readily available cyclic N-sulfonylimines and simple aldehydes to construct biologically important and synthetically challenging piperidine derivatives consisting of three contiguous stereocenters
Publikováno v:
Synlett. 25:615-630
Ferrocene- and ruthenocene-based planar chiral ligands have been developed and used in transition-metal-catalyzed asymmetric allylic substitutions, asymmetric hydrogenations, and asymmetric conjugate addition reactions. The most common ferrocene liga
Publikováno v:
Angewandte Chemie. 125:11846-11850
First hand: The first example of a palladium-catalyzed asymmetric hydrogenation of α-acyloxy ketones (1) was accomplished to give the hydrogenated products 2 with by far the highest catalytic efficiency in up to quantitative conversions and excellen
Publikováno v:
Synthesis. 45:1612-1623
An asymmetric domino double Michael addition reaction was developed using accessible substrates to construct biologically important and synthetically challenging cyclopentanes with four contiguous stereocenters. The proline-like molecules, trans-perh
Publikováno v:
Chemical reviews. 116(23)
Chiral cyclic structures are found in numerous natural products, pharmaceutical compounds, and important synthetic intermediates. Asymmetric hydrogenation, allowing for the preparation of these complex targets in an environmentally benign and efficie