Lariat ethers: from simple sidearms to supramolecular systems

GW Gokel - Chemical Society Reviews, 1992 - pubs.rsc.org
Until the 196Os, complexation of alkali and alkaline earth metal cations was problematic.
Although such Ca2+ binders as ethylenediaminetetraacetic acid, EDTA, were well known …

Experimental evidence for alkali metal cation− π interactions

GW Gokel, SL De Wall… - European journal of …, 2000 - Wiley Online Library
The interaction of alkali metal ions with arenes such as benzene or substituted benzenes
has been documented in a variety of ways. This paper reviews the experimental evidence …

12-, 15-, and 18-Membered-ring nitrogen-pivot lariat ethers: syntheses, properties, and sodium and ammonium cation binding properties

RA Schultz, BD White, DM Dishong… - Journal of the …, 1985 - ACS Publications
Nitrogen-pivot lariat ethers of varying ring sizes can be prepared by cyclization of an amine
or appropriately substituted diol. Twelve-membered-ring nitrogen-pivot lariat ethers were …

Macrocyclic polyethers as probes to assess and understand alkali metal cation-π interactions

GW Gokel, LJ Barbour, L Stephen… - Coordination Chemistry …, 2001 - Elsevier
Cation-π interactions of alkali metals with arenes have been known in the gas phase for two
decades but solid-state structural data have become available only recently. The quest for …

Syntheses of calcium-selective, substituted diaza-crown ethers: a novel, one-step formation of bibracchial lariat ethers (BiBLES)

VJ Gatto, GW Gokel - Journal of the American Chemical Society, 1984 - ACS Publications
Ten,-disubstituted derivatives of 4, 13-diaza-18-crown-6 (7) have been prepared, three of
which exhibit Ca2+, over either Na+ or K+, selectivity. This selectivity has been achievedby …

Comprehensive coordination chemistry of alkali and alkaline earth cations with macrocyclic multidentates: latest position

AV Bajaj, NS Poonia - Coordination chemistry reviews, 1988 - Elsevier
The electrically neutral compounds (including solvents and crowns) have been denoted by
capital letters while the anions use lower-case letters; the crown-related macrocycles have …

Solid-state structural chemistry of lariat ether and BiBLE cation complexes: metal-ion identity and coordination number determine cavity size

RD Gandour, FR Fronczek, VJ Gatto… - Journal of the …, 1986 - ACS Publications
X-ray crystal structure data are presented for K+ complexes of A'-allylmonoaza-18-crown-6
(1) monohydrate [K+ C 5-allyl-H20], 7V, 7V'-bis (3-oxabutyl) diaza-18-crown-6 (2)[K+ C1-22 …

Electrochemical switching of lariat ethers. Survey of cation binding by neutral and reduced forms of one-and two-armed carbon-and nitrogen-pivot lariat ethers

A Kaifer, DA Gustowski, L Echegoyen… - Journal of the …, 1985 - ACS Publications
The electronic behavior of 14 electron-deficient aromatic systemshas been determined by
cyclic voltammetric techniques in both the absence and presence of Li+, Na+, and K+. The …

New generation of tetrapyrazolic macrocycles: Synthesis and examination of their complexation properties and antibacterial activity

T Harit, R Bellaouchi, C Mokhtari, B El Bali, A Asehraou… - Tetrahedron, 2017 - Elsevier
The synthesis of three macrocycles, containing four pyrazolic units, with different side arms
is described and the crystal structure of one of the intermediate compounds is also …

Electrochemically switched cation binding in nitrobenzene-substituted, nitrogen-pivot lariat ethers

DA Gustowski, L Echegoyen, DM Goli… - Journal of the …, 1984 - ACS Publications
Conclusions Thermally initiated polymerization of bilayermembranes of-MA and- gave
polymers with retention of the vesicle structure. The mean size distribution of the colloidal …