Results 271 to 280 of about 105,820 (326)
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Cyclic and Linear Polyhydroxylbutyrates from Ring-Opening Polymerization of β-Butyrolactone with Amido-Oxazolinate Zinc Catalysts

Macromolecules, 2019
A series of amido-oxazolinate zinc complexes have been employed for the ring-opening polymerization of rac-β-butyrolactone (BBL).
Muneer Shaik   +2 more
semanticscholar   +1 more source

The Hafnium-Pyridyl Amido-Catalyzed Copolymerization of Ethene and 1-Octene: How Small Amounts of Ethene Impact Catalysis

ACS Catalysis, 2019
Copolymerization of ethene and 1-octene is catalyzed by the Hf-pyridyl amido complex used in chain-shuttling polymerization. Active site counts and the molar mass distribution of catalyst-bound polymeryls are determined by chromophore quench-labeling ...
Eric S. Cueny, C. Landis
semanticscholar   +1 more source

Recent synthetic applications of α-amido sulfones as precursors of N-acylimino derivatives

Organic Chemistry Frontiers, 2019
α-Amido sulfones can be directly used as N-acylimine or N-acyliminium ion precursors in several synthetic processes aimed at the preparation of nitrogen containing compounds.
E. Marcantoni, A. Palmieri, M. Petrini
semanticscholar   +1 more source

Amido analogues of zincocenes and cadmocenes

Dalton Transactions, 2011
The synthesis and characterisation of low-coordinate zinc and cadmium complexes of the sterically demanding 1,3,6,8-tetra-tert-butylcarbazol-9-yl ligand ((t)Bu(4)carb(-)) are reported. ((t)Bu(4)carb)(2)M (M = Zn 1; M = Cd 2) are the first examples of formally two-coordinate bis-carbazol-9-yl complexes of the Group 12 metals and 2 is the first ...
Graeme J. Moxey   +5 more
openaire   +3 more sources

Asymmetric Conjugate Addition of Ethylene Sulfonyl Fluorides to 3-Amido-2-oxindoles: Synthesis of Chiral Spirocyclic Oxindole Sultams.

Organic Letters, 2019
An enantioselective conjugate addition of ethylene sulfonyl fluorides to 3-amido-2-oxindoles has been developed. Quinine-derived squaramides were identified as efficient catalysts.
Jie Chen   +4 more
semanticscholar   +1 more source

Comparative Study of Crystal Packing in Amido-Benzoic and Amido-Perbenzoic Acids

Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals, 1994
Abstract Hydrogen-bond arrangements in acid and peracid-amides are discussed. The familiar acid dimer motif is observed for these acids and dimers are linked through amide-amide hydrogen-bonds to form ribbon or sheet networks. Peracid dimers are not observed and instead extensive networks are built up from peracid proton to amide carbonyl hydrogen ...
William Jones, Neil Feeder
openaire   +2 more sources

Pyridyl to amido and amido to pyridyl isomerisation in an isonicotinamide complex of ruthenium(III)

Journal of the Chemical Society, Dalton Transactions, 1995
The reaction of [RuIII(edta)(H2O)]–(edta = ethylenediamine-N,N,N′,N′-tetraacetate) with isonicotinamide (isna) was studied spectrophotometrically at different pH (6–10), isonicotinamide concentrations and ionic strengths. The pyridyl-N-co-ordinated complex [Ru(edta)(isna)]– is stable at low pH (6.0), but undergoes intramolecular isomerisation at high ...
Debabrata Chatterjee, Hari C. Bajaj
openaire   +2 more sources

Nickel-Catalyzed Highly Enantioselective Hydrogenation of β-Acetylamino Vinylsulfones: Access to Chiral β-Amido Sulfones.

Organic Letters, 2018
The nickel/( S)-Binapine complex was found to be an efficient catalyst for asymmetric hydrogenation of β-acetylamino vinylsulfones to afford chiral β-Amido sulfones with excellent yields and enantioselectivities (up to 95% yields and >99% ee).
J. Long   +4 more
semanticscholar   +1 more source

Multiple States of Dimeric Aggregates Formed by (Amido–ethynyl)helicene Bidomain Compound and (Amido–ethynyl–amido)helicene Tridomain Compound

Chemistry – A European Journal, 2012
AbstractAn (amido–ethynyl)helicene bidomain compound and an (amido–ethynyl–amido)helicene tridomain compound were synthesized. The multidomain compounds were designed on the basis of previous findings that amido and ethynyl oligomers form dimeric aggregates with properties orthogonal to each other. Four aggregate states of multidomain compounds, namely,
Masahiko Yamaguchi   +2 more
openaire   +2 more sources

Amine additive reactions induced by the soft Lewis acidity of Pb2+ in halide perovskites. Part II: impacts of amido Pb impurities in methylammonium lead triiodide thin films

Journal of Materials Chemistry C, 2019
The beneficial and detrimental effects of amido Pb impurities incorporated in methylammonium lead triiodide thin films are characterized by photoemission spectroscopy.
Ross A. Kerner   +6 more
semanticscholar   +1 more source

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