palladium catalysed
Catalysis in the Service of Green Chemistry: Nobel Prize-Winning Palladium-Catalysed Cross-Couplings, Run in Water at Room Temperature62-74
... Palladium-catalysed cross-couplings, in particular Heck, Suzuki-Miyaura and Negishi reactions developed over three decades ago, are routinely carried out in organic solvents. However, alternative media are ...
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γ-Carboline AC190 analogues via palladium catalysed allene insertion stereo and regioselective 3- and 5- component cascades
... component palladium catalysed cascade reactions leading to the creation of a range of substituted carboline-based compounds, some of which were designed to be analogues of known antitumor agents proposed to ...
41
Palladium Catalysed Construction of All Carbon Quaternary Centres with Propargylic Electrophiles:Challenges in the Simultaneous Control of Regio , Chemo and Enantioselectivity
... When a b-ketoester was employed as a nucleophile, 36a was formed with complete regiocontrol, but the yield was low due to modest chemoselectivity; enantioselectivity was poor. All attempts to extend this process to a ...
18
The 2010 Nobel Prize in Chemistry: Palladium-Catalysed Cross-Coupling84-90
... synthetic organic chemistry. Chemists are continually striving to improve the efficiency of industrial processes by maximising their yield, selectivity and safety. Process economics are also important, and chemists work ...
7
Palladium-Catalysed C–C Coupling: Then and Now38-45
... The father of palladium-catalysed coupling chemistry is generally considered to be Professor Richard Heck. Although other reports on organometallic coupling reactions had already been published, it was ...
8
The selective palladium catalysed decarboxylative coupling of nucleophiles in the presence of propargylic electrophiles
... Indeed, the importance and broad application of cross-coupling reactions, mainly effective at the union of sp 2 carbon centres, has resulted in the Nobel Prize being awarded to Suzuki, Negishi and Heck in 2010. 46 ...
351
Nickel and palladium catalysed deprotonative cross couplings
... Once we had established the conditions for our methodology, we investigated the generality of our method by varying the substitution pattern of the chloroarene reactants for the coupling with the imine 22 (see Scheme 4). ...
185
Post synthetic modification of zinc metal organic frameworks through palladium catalysed carbon carbon bond formation
... with palladium(II) acetate and triphenylphosphine, consistent with the reported nanoparticle ...of palladium, not attached to the MOF crystals, were ...with palladium(II) acetate and ...
11
Biologically active kigamicin analogues by sequential palladium catalysed C O and C C bond construction
... As described previously, current methods to THXs utilise very strong acids and harsh reaction conditions. Whilst this provides a rapid route to basic analogues containing the THX moiety, analogues with greater complexity ...
238
“Total Synthesis of Bioactive Natural Products by Palladium-Catalyzed Domino Cyclization of Allenes and Related Compounds”194-199
... the palladium catalyst is able to mediate the formation of two covalent bonds through sequential nucleophilic attacks on an allene, thereby building stereochemistry- rich bicyclic products from acyclic starting ...
6
Isomerisation versus carbonylative pathways in the hydroxy carbonylation, methoxy carbonylation, and amino carbonylation of N tosyl 3 pyrroline
... Water (hydroxycarbonylation) and alcohols (alkoxycarbonylation) have been widely used as nucleophiles in the palladium catalysed carbonylation reaction of alkenes with carbon monoxide. The use of other ...
15
redamin cth pd pdf
... AbstractÐNew, extended applications of a modi®ed palladium catalysed reductive amination procedure are described; a mechanistic hypothesis alternative to the common imine pathway is proposed. This versatile ...
6
Selectively fluorinated cyclohexane building blocks : derivatives of carbonylated all cis 3 phenyl 1,2,4,5 tetrafluorocyclohexane
... Palladium catalysed carbonylation reactions using the meta- and para-iodo derivatives of all-cis-3-phenyl-1,2,4,5-tetrafluorocyclo- hexane (4) are illustrated as the start point for a variety of functional ...
6
New Methods for the Synthesis of Biologically Active Natural Products
... of palladium-catalysed processes extends well beyond these, with this metal being used (often ‘suspended’ on an inert solid support such as charcoal) to effect the addition of dihydrogen to unsaturated ...
318
Palladium catalyzed annulation of internal alkynes
... Palladium catalyzed annulation of internal alkynes Abstract A method is provided for the regioselective, palladium catalyzed carbo- or heteroannulation of internal alkynes by aryl iodide[r] ...
13
Vol 3, No 9 (2014)
... the catalysed reaction does not exhibit any hydrogen ion dependence, an important question in silver(I) catalysed oxidation of ascorbic acid is whether the catalyst operates via a Ag I /Ag II or Ag I /Ag ...
5
The Hydrides of Palladium and Palladium Alloys21-25
... When compared to other solid systems the detailed measurement of physical properties as a function of hydrogen content is in prin- ciple especially convenient due to the abili[r] ...
5
Homogeneous Liquid Liquid Extraction (HoLLE) of Palladium in Real Plating Wastewater for Recovery
... a palladium-ammine complex was performed under the HoLLE conditions optimized for pure palladium ...pure palladium solution, HoLLE was performed with and without ammonia addition for the plating ...
10
The Hydrides of Palladium and Palladium Alloys132-137
... Phase boundary migration rates of a similar order of magnitude are also suggested from experiments (28, 29) in which wires were again charged over part of their lengt[r] ...
6