Results 31 to 40 of about 309 (131)

Synthesis of a Metalla[2]catenane, Metallarectangles and Polynuclear Assemblies from Di(N‐Heterocyclic Carbene) Ligands

open access: yesAngewandte Chemie, Volume 136, Issue 39, September 23, 2024.
The fluorenone‐bridged di‐NHC precursor H2‐1(PF6)2 reacts with Ag2O in CH3CN to give the [2]catenane [Ag4(1)4](PF6)4, which disintegrates in DMF into two metallarectangles [Ag2(1)2](PF6)2. Substitution of the imidazo[1,5a]pyridinium NHC precursors in H2‐1(PF6)2 for imidazolium groups yields di‐NHC precursors H2‐L(PF6)2 which react with Ag2O to yield ...
Jin‐Ping Chang   +5 more
wiley   +2 more sources

Encapsulation of a guest molecule in a strained form: an extended 36-membered dodecanuclear manganese metallamacrocycle that accommodates a cyclooctane in the S-4 symmetry conformation [PDF]

open access: yes, 2014
An extended 36-membered dodecanuclear manganese metallamacrocycle with S12 symmetry has been synthesized using the ligand N-cyclohexanoylsalicylhydrazide (H3chxshz) by a self-assembly that accommodates a cyclooctane of conformationally strained S4 ...
Moon, Dohyun   +4 more
core   +1 more source

Steric Control of a Bridging Ligand for High-Nuclearity Metallamacrocycle Formation:  A Highly Puckered 60-Membered Icosanuclear Metalladiazamacrocycle [PDF]

open access: yes, 2016
A novel S4-symmetric icosanuclear manganese metalladiazamacrocycle was synthesized using a pentadentate ligand, N-3-phenyl-trans-2-propenoylsalicylhydrazide (H3L), that has a rigid and bulky terminal N-acyl group.
Dohyun Moon (1406428)   +5 more
core   +3 more sources

Pyridinethiolate Titanocene Metalloligands and Their Self-Assembly Reactions To Yield Early–Late Metallamacrocycles [PDF]

open access: yesOrganometallics, 2016
New titanocene pyridinethiolate compounds [(RCp)(2)Ti(4-Spy)(2)] (R = H (1), Me (2); Cp = cyclo-pentadienyl; 4-Spy = pyridine-4-thiolate) and [Cp2Ti(2-Spy)(2)] (3; 2-Spy = pyridine-2-thiolate) have been prepared by reaction of the corresponding Li(Spy) salt with the appropriate compound [(RCp)(2)TiCl2].
Ferrer García, Montserrat   +7 more
openaire   +3 more sources

A 2D Layered Metal-Organic Framework Constructed by Using a Hexanuclear Manganese Metallamacrocycle as a Supramolecular Building Block [PDF]

open access: yes, 2008
The hexanuclear manganese metallamacrocycle [Mn(6)-(Haahz)(6)(dmso)(6)] (1) was prepared by using a new pentadentate ligand, N-acetylaminobenzhydrazide (H(4)aahz), and a manganese ion as primary building blocks in dimethyl sulfoxide (dmso).
Moon, Dohyun   +10 more
core   +1 more source

Structural and Magnetic Properties of a {GdCu5}2 Metallacrown Dimer with a Disulfonate Linker

open access: yesEuropean Journal of Inorganic Chemistry, Volume 27, Issue 5, February 12, 2024.
Linkage of two {GdCu5}3+ 15‐metallacrowns‐5 with rigid disulfonate resulted in a discrete dimer with adjacent metallamacrocycles arranged in “edge‐to‐edge” manner. χMT vs. T data reveal presence of both antiferromagnetic and ferromagnetic exchanges and can be fitted with two‐J model for Gd–Cu and Cu–Cu exchange interactions in {GdCu5}3+ unit.
Anna V. Pavlishchuk   +9 more
wiley   +1 more source

Steric control of a bridging ligand for high-nuclearity metallamacrocycle formation: A highly puckered 60-membered icosanuclear metalladiazamacrocycle [PDF]

open access: yes, 2014
A novel S4-symmetric icosanuclear manganese metalladiazamacrocycle was synthesized using a pentadentate ligand, N-3-phenyl-trans-2-propenoylsalicylhydrazide (H3L), that has a rigid and bulky terminal N-acyl group.
Kim, Ghyung Hwa   +5 more
core   +1 more source

A dodecanuclear metallamacrocycle having a multidentate bridging ligand in two different binding modes [PDF]

open access: yes, 2008
The reaction of Mn(OAc)2??4H2O with 2,6-dimethoxybenzoylsalicylhydrazide (H3dmbshz) leads to a dodecanuclear manganese metallamacrocycle [Mn12(dmbshz) 12(EtOH)6], 1.
Kim, Ghyung Hwa   +7 more
core   +1 more source

Selective Complexation of Li+ in Water at Neutral pH Using a Self-Assembled Ionophore [PDF]

open access: yes, 2016
A trinuclear metallamacrocycle was obtained by assembly of a tridentate ligand and a ruthenium complex in water at neutral pH.
Kay Severin (1403713)   +3 more
core   +3 more sources

Self-assembly of a highly stable, topologically interesting metallamacrocycle by bridging gold(I) ions with pyridyl-2,6-diphenyl 2- and diphosphanes [PDF]

open access: yes, 2006
(Figure Presented) A Möbius arrangement of the bonds directly attached to a metallamacrocycle was observed for the AuI complex [Au 3(CNC)(μ-Ph2PCH2PPh2) 2]+, which was self-assembled by treating the lithium salt of pyridyl-2,6-diphenyl2- (CNC) with ...
Huang, JS   +9 more
core   +1 more source

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