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#1Nickel(II) bromide 2-methoxyethyl ether complex 312696-09-6
Nickel(II) bromide 2-methoxyethyl ether complex. All Photos(2). Synonym(s): Diglyme nickel dibromide. Linear Formula: NiBr2 · O(CH2CH2OCH3)2. CAS Number:.
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#2User-Friendly [(Diglyme)NiBr 2 ]-Catalyzed Direct Alkylations ...
A nitrogen and phosphorus ligand-free catalytic system derived from inexpensive [(diglyme)NiBr2] allowed for efficient direct C H bond ...
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#3Nickel(II) bromide 2-methoxyethyl ether complex
312696-09-6. Nickel(II) bromide 2-methoxyethyl ether complex. Diglyme nickel dibromide. dibromonickel;1-methoxy-2-(2-methoxyethoxy)ethane. SCHEMBL3140351. More.
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#4Nickel-Catalyzed Defluorinative Reductive Cross-Coupling of ...
d10% NiBr2· diglyme, 15% L4, 3 equiv of (Bpin)2/K3PO4 and alkyl bromide (one batch) were used. Journal of the American Chemical Society. Article.
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#5Chemical Science - RSC Publishing
a Isolated yield for 0.2 mmol scale reaction. Reaction conditions: tri uoromethyl alkenes (1.0 eq.), alkyl halides (1.5 eq.), NiBr2(diglyme).
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#6Nickel(II) Bromide Ethylene Glycol Dimethyl Ether Complex
Nickel(II) Bromide Ethylene Glycol Dimethyl Ether Complex NiBr2 • CH3OCH2CH2OCH3 bulk & research qty manufacturer. Properties, SDS, Applications, Price.
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#7Nickel-Catalyzed Asymmetric Reductive Cross-Coupling to ...
NiBr2 (diglyme) was purchased from Strem. All reactions were monitored by thin-layer chromatography using EMD/Merck silica gel 60 F254.
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#8Nickel(II) precatalysts - Wikipedia
Nickel(II) precatalysts are a type of catalyst used in organic reactions. ... NiBr2-glyme, and NiBr2-diglyme have been commonly employed by Jarvo and Fu ...
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#9Decarboxylative Cross-Electrophile Coupling of N ...
Zinc flake (-325 mesh, Alfa Aesar) and nickel(II) bromide 2-methoxyethyl ether. (NiBr2(diglyme), Aldrich) were used as received and stored in a nitrogen filled ...
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#10Electrochemical nickel-catalyzed Migita cross-coupling of 1 ...
NiBr2.diglyme and 20 mol% of di-tBubpy furnished 3a in 80% yield (entry 10). Negative controlling experiments demonstrated.
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#11Nickel-Catalyzed Addition of Arylboronic Acids to Alkyl Nitriles ...
b Xi'an Modern Chemistry Research Institute, Xi'an 710065,. P. R. of China [email protected]. B(OH)2. O. R1. R1. NiBr2•diglyme, 1,10-phen.
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#12Alkyl Bromides as Mild Hydride Sources in Ni-Catalyzed ...
found that a combination of NiBr2·diglyme, L4, Mn as reducing agent in NMP at rt, and using simple i-PrBr as the hydride source provided the best results, ...
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#13Nickel-Catalyzed Reductive Asymmetric Aryl-Acylation and ...
NiBr2 ·diglyme (Entry 14). In this case, the yield was also increased to 38%. Although the reaction using Ni(COD)2 gave the best yield, the enantiomeric ...
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#14and stereoselective reductive alkylalkynylation of alkynes
Anhydrous NiBr2(diglyme),. NiCl2(glyme), and Ni(cod)2 were purchased from Sigma Aldrich. Mn (powder,. ≥99.9% trace metals basis) was purchased from Sigma ...
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#15GCFu的催化剂NiCl2.glyme 和NiBr2.diglyme的合成 - 小木虫
求助G.C.Fu的催化剂NiCl2.glyme和NiBr2.diglyme的合成后者CAS：312696-09-6.
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#16Article - Practical carbon–carbon bond formation from olefins ...
Full size image View in article (a) 10% NiBr2.diglyme, 15% L8, 3.0 equiv. DEMS, 3.0 equiv. Na2CO3, 2 ml DMAc, 30 °C, 12 h.
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#17Chemical Science - X-MOL
Other nickel sources, including. NiCl2(PPh3)2, NiI2, and Ni(COD)2 could also be used instead of. NiBr2(diglyme); however, they led to different decreases in.
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#18Facilitating the transmetalation step with aryl-zincates ... - Nature
NiBr2 •DME. L2. ZnBr2. DME/diglyme. −15. 50. 15. 96:4. Unless otherwise noted, all reactions were carried out with compound 1a (0.1 mmol), 2 (0.3 mmol), ...
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#19Nickel-Catalyzed Reductive Cross-Electrophile-Coupling ...
NiBr2 (diglyme) (10mol%). Ligand (20mol%). Mn (3eq), TMSCl (0.75eq) dioxane, rt, 18h. Het. Ar. R. N. O. N. O. C3H7. C3H7. C3H7. C3H7.
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#20NiH-catalyzed enantioselective hydroalkynylation of styrenes ...
*NiBr2·diglyme used as catalyst, 1,2-dichloroethane used as solvent, 3.0 equiv NaI used. TES triethylsilyl. from publication: Nickel-catalysed migratory ...
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#21Nickel-Catalyzed Three-Component Olefin Reductive ...
could also be used instead of NiBr2(diglyme); however, they led to different decreases in coupling efficiency (entry.
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#22iglyme)NiBr2]-catalyzed direct alkylations of heteroarenes with ...
Title, User-friendly [(diglyme)NiBr2]-catalyzed direct alkylations of heteroarenes with unactivated alkyl halides through c?h bond cleavages.
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#23Cross-Electrophile Coupling - INOUE RESEARCH GROUP
Cross-Electrophile Coupling of C(sp2) halides. Ackerman, L. K., Lovell, M. M., Weix, D. J. Nature. 2015, 524, 454. TfO. Br. +. OMe. OMe. NiBr2(diglyme), bpy.
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#24Nickel‐Catalyzed Enantioselective Arylation of Pyridinium Ions
is particularly attractive because NiBr2·diglyme is air stable,. Scheme 1. Nickel-catalyzed cross-coupling with iminium ions.
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#25Nickel-Catalyzed Coupling of N-Hydroxyphthalimide Esters ...
(NiBr2(diglyme), Aldrich) were used as received and stored in a nitrogen filled glovebox. The amount of diglyme present in the NiBr2(diglyme) was determined ...
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#26Enantioselective Nickel Catalysis: Exploiting Activated CH ...
variety of nickel salts showed no improvement over NiBr2-diglyme. Other reaction parameters were surveyed which showed dramatic changes in the reaction.
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#27carbon bond formation from olefins through nickel-catalyzed ...
*For L1, NiBr2.diglyme was not added, †For L9 or L10, 20% Ligand was added. DEMS, Diethoxymethylsilane; DMAc,N,N- dimethylacetamide; Diglyme ...
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#28Nickel(II) Bromide 2-Methoxyethyl Ether Complex 3B-N1049
[1-Methoxy-2-(2-methoxyethoxy)ethane]nickel(II) Dibromide; NiBr2 Diglyme; Diglyme Nickel Dibromide ...
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#29Ethylene Oligomerization in Metal–Organic ... - OSTI.GOV
Specifically, the single-crystal structure of 1(NiBr2)5.64 reveals that surrounding metal–linker ... molecular sieves (for diglyme), and degassed via three.
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#30dual catalytic sp3 C-H arylation-alkylation amides - National ...
NiBr2 ·diglyme (10 mol%). K3PO4, dioxane. Kessil Blue LEDs n-Bu. PC2 (2 mol%). NiCl2·glyme (5 mol%). K3PO4, EtOAc. Kessil Blue LEDs. 1a (R=Ph).
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#31Organic Chemistry Portal - Literature
... with Unactivated Secondary and ... catalyst (NiBr2 diglyme) can achieve couplings of unactivated alkyl bromides with nucleophilic silicon .
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#32Ethylene oligomerization in metal–organic ... - The Long Group
produce the corresponding metalated frameworks 1(NiBr2)6 and 2(NiBr2)0.84. ... 4A molecular sieves (for diglyme), and degassed via three ...
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#33Aryne Reaction and Cross-coupling Approach for the ...
Synthesis of various benzylboronic acid esters 3 bearing aryne generation moiety. a2 (2.0 equiv), NiBr2¢diglyme. (40 mol%) and dtbpy (40mol%) were used. DMPU = ...
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#35Supplementary Materials for - Macmillan Group - Princeton ...
NiBr2 •diglyme. 2. NiBr2•diglyme. 10 mol%. 43%. 10 mol%. 41%. 14%. 23% dtbbpy. 3 dtbbpy. 3. 2. NiBr2•diglyme. 2. NiBr2•diglyme.
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#36C(sp3) cross-coupling of non-activated alkyl electrophiles via ...
Other nickel(ii) sources such as NiBr2 and NiBr2·diglyme afforded lower yields and enantioselectivities (entries 7 and 8,. Table 1).
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#37Template for Electronic Submission to ACS Journals - UZH
The results revealed NiBr2·glyme and NiBr2·diglyme as the most suitable nickel sources, providing the desired product 1 in.
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#38Cross electrophile coupling - Burns Lab
NiBr2 •3H2O (7 mol%), rt ... NiBr2(glyme) (10 mol%). Ligand (15 mol%). Additive (30 mol%) ... NiBr2(diglyme) (5 mol%), bpy (5 mol%).
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#39Nickel-catalyzed oxidative uoroalkylation of aryl halides via ...
ligands, the di uoromethylated arene product could be realized in 85% 19F NMR yield with NiBr2 diglyme. (20 mol%) and L9 (15 mol%) in an ...
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#40Exercice xx.cdx * - EPFL
NiBr2 •diglyme 5 mol% dtbbpy 5 mol%. tBuNHiPr. DMF, 26 W CFL, 40 °C. 5. Propose a possible mechanism for the formation of the product.
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#41Nickel-Catalyzed Cross-Coupling with Pincer Ligands
A combination of the NiBr2·diglyme and (S)-iPr–Pybox li- gands can catalyze the coupling of secondary benzylic.
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#42Ni-catalyzed deaminative cross-electrophile coupling of ...
NiBr2 •diglyme catalyst and 10 mol % tridentate ligand L3 in the presence of 2.5 equivalents (equiv) of zinc at 60°C under argon.
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#43Recent Advances in Nickel Catalysis Enabled by ... - UnivOAK
NiBr2 !diglyme,. L15, CO2. Mn0, DMF. NiCl2!glyme,. L16, CO2. R-OH, Mn0, DMF. Ni(acac)2(bpy),. MgBr2, CO2. 3Å MS, Zn0, DMF. NiBr2!diglyme,.
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#44ChemDoodle Document: Challenge-45-s-1.icl
1) NaBH4, CH2Cl2, MeOH. 2) PCl3, pyridine, CH2Cl2, –10ºC. 3) I, NiBr2·diglyme, (S)-iPr-Pybox, DMA. 4) aq. NaOH, EtOH.
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#45Nickel-catalyzed enantioselective arylation of pyridine
NiBr2 $diglyme instead of Ni(acac)2. 58. 80. 4. 5 mol% Ni(acac)2, 6 mol% L3 ... C, 10 min, then NiBr2$diglyme. (10 mol%), L1 (12 mol%), ...
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#46Recent Advances in C-F Bond Cleavage Enabled by Visible ...
the δ-C–H bond of amides to the α-position when catalytic amounts of NiBr2·diglyme and 5,5 -dimethyl 2,2 -bipyridine were added (Scheme 29) ...
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#47Organometallics Part 2 - Ready Lab - UT Southwestern
NiBr2 -diglyme (10 mol%). +. Hex ZnBr. nC6H13. 96% ee. 89% yield. LnNi(0). LnNiIBr. +. NiLn. Br achiral. NiLn n-Hex. Fu, JACS, 2005, 10482. Ready; Catalysis.
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#48Alkyl-Alkyl Suzuki Cross-Coupling of Unactivated Secondary ...
NiBr2 ·diglyme. 1 dioxane. 43. 4. NiBr2·diglyme. 1. iPr2O. 86. [a] Determined by GC with a calibrated internal standard (average of two.
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#49Theilheimer's of Organic Chemistry - Karger Publishers
... followed by sequential addition of diglyme (80 µl) as GC ... NaBr (200 mol%), NiBr2, SbCl3, SnCl2/SnCl4 (1:1), TiCl4/Ti(OPr-i)4 (1:1) or ZnBr2] were ...
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#50Direct synthesis and applications of solid silylzinc reagents
When 10 mol% of NiBr2$diglyme was employed, we observed 60% of ... It is important to note that the activation of NiBr2-. $diglyme (10 mol%) ...
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#51文献高级检索结果 - X-MOL
... chiral propargyl compounds bearing aromatic group in high yields with good enantioselectivities using NiBr2·diglyme and (R)-iPr-Pybox as the catalytic .
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#52THE SYNTHESIS, CHARACTERIZATION, AND REACTIVITY ...
refluxing, alkaline z-PrOH, with the activity of NiBr2 ... 6.3.6 Kinetic Dependence of C6 H1 0 O Transfer Hydrogenation on [NiBr2] ... diglyme(a6*).
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#53Photoredox catalysis in nickel-catalyzed C–H functionalization
combination of NiBr2·diglyme/bipyridine in the presence of the iridium photocatalyst Ir[dF(CF3)ppy]2(dtbbpy)PF6 under blue.
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#54Facilitating the transmetalation step with aryl-zincates in nickel ...
Further studied showed that reactions in DME or diglyme occurred in moderate yields and good enantioselectivity, while reactions in other ...
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#55Organometallic Chemistry 2019 Problem Set 2 Due
5 mol% NiBr2(diglyme). 5 mol% bpy. 5 mol% PdCl2. 5 mol% dppp. 2 equiv. Zn. 1 equiv. KF. DMF, 40 ºC. OMe. Page 4 ...
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#56Nickel (CAS Number 28923-39-9) : Strem Product Catalog
CAS Number: 28923-39-9. MDL Number: MFCD00013480. Molecular Formula: C4H10Br2NiO2. Formula Weight: 308.62. Chemical Formula: NiBr2∙CH3O(CH2)2OCH3.
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#57Stereoselective Suzuki Coupling Reaction of an α-Bromo-α ...
Stereoselective Suzuki Coupling Reaction of an α-Bromo-α-fluoroβ-lactam Bn Erina Miyata NiBr2⋅diglyme (20 mol%) Bn ligand (22 mol%) N O N Ayumi Tanaka ...
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