Articles with "hiyama cross" as a keyword



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Hiyama cross‐coupling reaction using Pd(II) nanocatalyst immobilized on the surface of Fe3O4@SiO2

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Published in 2018 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.3978

Abstract: We report a simple process for the synthesis of Fe3O4@SiO2/APTMS (APTMS = 3-aminopropyltrimethoxysilane) core–shell nanocatalyst support. The new nanocatalyst was prepared by stabilization of Pd(cdha)2 (cdha = bis(2-chloro-3,4-dihydroxyacetophenone)) on the surface of the Fe3O4@SiO2/APTMS support. The structure and composition… read more here.

Keywords: surface fe3o4; fe3o4 sio2; sio2; hiyama cross ... See more keywords
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Design and synthesis of 3,3′-triazolyl biisoquinoline N,N’-dioxides via Hiyama cross-coupling of 4-trimethylsilyl-1,2,3-triazoles

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Published in 2021 at "Tetrahedron Letters"

DOI: 10.1016/j.tetlet.2021.153338

Abstract: Abstract A new strategy to effectively lock the conformation of substituents at the 3,3’-positions of axial-chiral biisoquinoline N,N’-dioxides was developed based on the strong dipole–dipole interaction between 1,2,3-triazole and pyridine N-oxide rings. The crystal structure… read more here.

Keywords: biisoquinoline dioxides; trimethylsilyl triazoles; biisoquinoline; hiyama cross ... See more keywords
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Highly Enantioselective Hiyama Cross-Coupling via Rh-Catalyzed Allylic Arylation of Racemic Allyl Chlorides

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Published in 2019 at "Organometallics"

DOI: 10.1021/acs.organomet.9b00197

Abstract: Highly enantioselective Hiyama cross-coupling reactions have been achieved through rhodium(I)-catalyzed dynamic kinetic asymmetric transformations between aryl siloxanes and cyclic racemic allyl halides. This process affords valuable enantiomerically enriched aryl-substituted cyclic allyl products and is compatible… read more here.

Keywords: allyl; hiyama cross; highly enantioselective; enantioselective hiyama ... See more keywords

Palladium-catalyzed Hiyama cross-couplings of pyrimidin-2-yl tosylates with organosilanes

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Published in 2022 at "Journal of Chemical Research"

DOI: 10.1177/17475198211067163

Abstract: An efficient palladium-catalyzed Hiyama reaction between various pyrimidin-2-yl tosylates with organosilanes has been developed. The use of CuCl with TBAF as additive is essential for promotion of the construction of the carbon–carbon bond. This procedure… read more here.

Keywords: pyrimidin tosylates; hiyama cross; catalyzed hiyama; palladium catalyzed ... See more keywords

Transition Metal Catalyzed Hiyama Cross-Coupling: Recent Methodology Developments and Synthetic Applications

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27175654

Abstract: Hiyama cross-coupling is a versatile reaction in synthetic organic chemistry for the construction of carbon–carbon bonds. It involves the coupling of organosilicons with organic halides using transition metal catalysts in good yields and high enantioselectivities.… read more here.

Keywords: hiyama cross; transition metal; cross coupling; methodology ... See more keywords