Search Results - "Gladysz, J. A"

Update 1 of: Carbon in One Dimension:  Structural Analysis of the Higher Conjugated Polyynes by Szafert, Slawomir, Gladysz, J. A

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Carbon in One Dimension:  Structural Analysis of the Higher Conjugated Polyynes by Szafert, Slawomir, Gladysz, J. A

“…All polymeric carbon allotropes must have some type of capping endgroup, and in this context carbyne has two limiting forms: one with dicoordinate terminal…”
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Introduction:  Recoverable Catalysts and ReagentsPerspective and Prospective by Gladysz, J. A

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Fluorous Catalysis under Homogeneous Conditions without Fluorous Solvents:  A “Greener” Catalyst Recycling Protocol Based upon Temperature-Dependent Solubilities and Liquid/Solid Phase Separation by Wende, Marc, Gladysz, J. A

“…The thermomorphic fluorous phosphines P((CH2) m (CF2)7CF3)3 (m = 2, 1a; m = 3, 1b) exhibit ca. 600-fold solubility increases in n-octane between −20 (1a =…”
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Gyroscope-like Molecules Consisting of PdX2/PtX2 Rotators Encased in Three-Spoke Stators:  Synthesis via Alkene Metathesis, and Facile Substitution and Demetalation by Nawara, Agnieszka J, Shima, Takanori, Hampel, Frank, Gladysz, J. A

“…Reactions of trans-MCl2(P((CH2)6(CHCH2)3)2 (M = a, Pd; b, Pt) and Grubbs' catalyst, followed by hydrogenation (ClRh(PPh3)3), give the title compounds…”
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Frontiers in Metal-Catalyzed Polymerization:  Designer Metallocenes, Designs on New Monomers, Demystifying MAO, Metathesis Déshabillé by Gladysz, J. A

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Highly Active Thermomorphic Fluorous Palladacycle Catalyst Precursors for the Heck Reaction; Evidence for a Palladium Nanoparticle Pathway by Rocaboy, Christian, Gladysz, J. A

“…The fluorous Schiff base p-Rf8(CH2)3C6H4C(N(CH2)3Rf8)(CH2)2Rf8 (Rf8 = n-C8F17) is prepared in six steps from p-iodobenzaldehyde and then cyclopalladated…”
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A Synthetic Breakthrough into an Unanticipated Stability Regime:  Readily Isolable Complexes in which C16−C28 Polyynediyl Chains Span Two Platinum Atoms by Zheng, Qinglin, Gladysz, J. A

“…The oxidative cross-coupling of trans-(p-tol)(p-tol3P)2Pt(C⋮C)2H (PtC4H) and excess H(C⋮C)2SiEt3 (O2, cat. CuCl, TMEDA, acetone; Hay conditions) gives PtC8Si…”
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Fluorous Catalysis without Fluorous Solvents:  A Friendlier Catalyst Recovery/Recycling Protocol Based upon Thermomorphic Properties and Liquid/Solid Phase Separation by Wende, Marc, Meier, Ralf, Gladysz, J. A

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"Catalyst-on-a-Tape"-Teflon: A New Delivery and Recovery Method for Homogeneous Fluorous Catalysts by Dinh, Long V., Gladysz, J. A.

“…Nothing sticks to Teflon? Going one better than “soap on a rope”, a recyclable fluorous rhodium hydrosilylation catalyst is described that is released from…”
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Molecular Gyroscopes: {Fe(CO)3} and {Fe(CO)2(NO)}+ Rotators Encased in Three-Spoke Stators; Facile Assembly by Alkene Metatheses by Shima, Takanori, Hampel, Frank, Gladysz, J. A.

“…Complexes to toy with: Ring‐closing metathesis of the bis(phosphane) complexes 1 a–c (n=4–6) followed by hydrogenation gives the “molecular gyroscopes” 2 a–c…”
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Chemistry in fluorous media: a user's guide to practical considerations in the application of fluorous catalysts and reagents by P. Barthel-Rosa, Luis, A. Gladysz, J.

“…Fluorous solvents commonly exhibit temperature-dependent miscibilities with organic solvents. Thus, catalysts and reagents that have high affinities for…”
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Oxidations of Secondary Alcohols to Ketones Using Easily Recyclable Bis(trifluoroacetate) Adducts of Fluorous Alkyl Iodides, CF3(CF2) n - 1I(OCOCF3)2 by Tesevic, Verona, Gladysz, J. A

“…Reactions of commercial fluorous alkyl iodides Rf n I (1-Rf n ; Rf n = CF3(CF2) n - 1; n = 7, 8, 10, 12) with 80% H2O2 and trifluoroacetic anhydride give Rf n…”
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Synthesis, Structure, and Reactivity of sp Carbon Chains with Bis(phosphine) Pentafluorophenylplatinum Endgroups: Butadiynediyl (C4) through Hexadecaoctaynediyl (C16) Bridges, and Beyond by Mohr, Wolfgang, Stahl, Jürgen, Hampel, Frank, Gladysz, J. A.

“…The reaction of trans‐[(C6F5)(p‐tol3P)2PtCl] (PtCl) and butadiyne (cat. CuI, HNEt2) gives trans‐[(C6F5)(p‐tol3P)2Pt(CC)2H] (PtC4H, 81 %), which reacts with…”
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Syntheses and Reactivities of Disubstituted and Trisubstituted Fluorous Pyridines with High Fluorous Phase Affinities:  Solid State, Liquid Crystal, and Ionic Liquid-Phase Properties by Rocaboy, Christian, Hampel, Frank, Gladysz, J. A

“…Reactions of 2,6-dibromo-, 3,5-dibromo-, and 2,4,6-tribromopyridine with IZnCH2CH2Rf8 (Rf8 = (CF2)7CF3) in THF at 65 °C in the presence of trans-Cl2Pd(PPh3)2…”
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Introduction:  Enantioselective Catalysis by Bolm, Carsten, Gladysz, J. A

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Transition Metal Catalysis in Fluorous Media:  Practical Application of a New Immobilization Principle to Rhodium-Catalyzed Hydroborations of Alkenes and Alkynes by Juliette, Jerrick J. J, Rutherford, Drew, Horváth, István T, Gladysz, J. A

“…Addition of a yellow-orange toluene solution of [Rh(Cl)(COD)]2 to a colorless CF3C6F11 solution of P(CH2CH2R f6 )3 (R f6 = (CF2)5CF3)3) gives a colorless…”
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Generation and Reactions of Ruthenium Phosphido Complexes [(η5-C5H5)Ru(PR′3)2(PR2)]: Remarkably High Phosphorus Basicities and Applications as Ligands for Palladium-Catalyzed Suzuki Cross-Coupling Reactions by Giner Planas, José, Hampel, Frank, Gladysz, J. A.

“…Reactions of [(η5‐C5H5)Ru(PR′3)2(Cl)] with NaBArF [BArF−=B{3,5‐[C6H3(CF3)2]}4−; PR′3=PEt3 or 1/2Et2PCH2CH2PEt2 (depe)] and PR2H (R=Ph, a; tBu, b; Cy, c) in…”
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Highly Bulky and Electron-Rich Terminal Ruthenium Phosphido Complexes:  New Donor Ligands for Palladium-Catalyzed Suzuki Cross-Couplings by Planas, José Giner, Gladysz, J. A

“…Secondary phosphine complexes of the formula [(η5-C5H5)Ru(L)2(PHR2)]+ BArF - are prepared from cationic ruthenium N2 complexes and PHR2 (R = Ph (a), t-Bu (b),…”
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Olefin Metatheses in Metal Coordination Spheres:  A New Approach to Steric Shielding in Dirhenium sp Carbon Chain Complexes of the Formula (η5-C5Me5)Re(NO)(PR3)(C⋮CC⋮CC⋮CC⋮C)(R3P)(ON)Re(η5-C5Me5) by Horn, Clemens R, Martín-Alvarez, José Miguel, Gladysz, J. A

“…Reaction of chiral racemic [(η5-C5Me5)Re(NO)(NCCH3)(CO)]+BF4 - and the olefin-containing phosphine Ph2P(CH2)6CHCH2 (2-butanone, reflux) gives…”
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