Results 21 to 30 of about 852 (119)

Divergent Mechanistic Pathways for Copper(I) Hydrophosphination Catalysis: Understanding that Allows for Diastereoselective Hydrophosphination of a Tri-substituted Styrene [PDF]

open access: yes, 2022
Readily available and bench-stable Cu(acac)2 (1) addresses many challenges in exploratory hydrophosphination catalysis. Mechanistic investigations were performed to answer questions that remain about the reactivity of 1, the role of light in the ...
Emma, Finfer   +3 more
core   +2 more sources

Palladium Catalyzed Asymmetric Hydrophosphination of Internal Alkynes: Access to Phosphine-Functionalized Axially Chiral Olefins [PDF]

open access: yes, 2022
Palladium-catalyzed unprecedented atroposelective hydrophosphination of sterically hindered internal alkynes with secondary phosphines has been realized, affording C-N axially chiral trisubstituted olefins (vinylphosphines) in excellent regioselectivity,
Jierui, Jing   +5 more
core   +1 more source

Zirconocene-Mediated Radical Hydrophosphination [PDF]

open access: yes, 2023
Hydrophosphination activity has been solicited from the parent and decamethyl zirconocene dichloride compounds, Cp2ZrCl2 and Cp*2ZrCl2. Given recent reports of photocatalytic hydrophosphination, these compounds were irradiated in the near ultraviolet (UV)
Bryan, Novas   +2 more
core   +2 more sources

Cyclo-Tetrakis(μ-diphenylphosphido)-1,5-bis(tri-tert-butylphosphine)-Tetracopper

open access: yesMolbank, 2022
Copper phosphido compound Cu4(μ-PPh2)4(PtBu3)2 was synthesized by three synthetic methods and structurally characterized by X-ray diffraction and 1H, 31P, 13C and 31P HMBC NMR spectroscopy.
Steven G. Dannenberg, Rory Waterman
doaj   +1 more source

Effect of Photolysis on Zirconium Amino Phenoxides for the Hydrophosphination of Alkenes: Improving Catalysis [PDF]

open access: yes, 2021
A comparative study of amino phenoxide zirconium catalysts in the hydrophosphination of alkenes with diphenylphosphine reveals enhanced activity upon irradiation.
Jacob, Morris   +3 more
core   +2 more sources

A Bench-Stable Catalyst for the Rapid Hydrophosphination of Activated and Unactivated Alkenes [PDF]

open access: yes, 2020
Cu(acac)2 (1) is a highly active catalyst for the hydrophosphination of alkenes. Photocatalytic conditions are critical, which provde high conversions with unactivated substrates that have never before been reported with an air-stable catalyst or at ...
Steven, Dannenberg, Rory, Waterman
core   +2 more sources

Hydrophosphination of boron-boron multiple bonds. [PDF]

open access: yesChem Sci, 2019
Five compounds containing boron–boron multiple bonds are shown to undergo hydrophosphination reactions with diphenylphosphine in the absence of a catalyst.
Stennett TE   +4 more
europepmc   +2 more sources

Brønsted acid-catalyzed 1,6-hydrophosphination of propargylic para-quinone methides and aza-para-quinone methides for the rapid construction of phosphorus-substituted quaternary carbon centers

open access: yesGreen Synthesis and Catalysis, 2022
An intriguing Brønsted acid-catalyzed 1,6-hydrophosphination of in situ generated propargylic para-quinone methides (p-QMs) and aza-para-quinone methides (aza-p-QMs) with H-phosphorus oxides via dehydration/1,6-addition under ultrasonic irradiation is ...
Ting Xiong   +3 more
doaj   +1 more source

Preparation of phosphines through C–P bond formation

open access: yesBeilstein Journal of Organic Chemistry, 2014
Phosphines are an important class of ligands in the field of metal-catalysis. This has spurred the development of new routes toward functionalized phosphines.
Iris Wauters   +2 more
doaj   +1 more source

First-Row Late Transition Metals for Catalytic Alkene Hydrofunctionalisation: Recent Advances in C-N, C-O and C-P Bond Formation

open access: yesMolecules, 2017
This review provides an outline of the most noteworthy achievements in the area of C-N, C-O and C-P bond formation by hydroamination, hydroalkoxylation, hydrophosphination, hydrophosphonylation or hydrophosphinylation reaction on unactivated alkenes ...
Sophie Bezzenine-Lafollée   +3 more
doaj   +1 more source

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