Organic molecules as well as metal complexes may exist as several geometric isomers1
which display distinct physical properties and chemical reactivities. A molecule containing …

Coordination chemistry of the larger calixarenes - ScienceDirect Skip to main contentSkip to
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Unconventional feedstocks, such as heavy vacuum residue (VR), have become potential
candidates that could be positively exploited to meet the increasing demand of high-value …

This review discusses in detail “calixarenes” since their discovery as by‐products of the
phenol formaldehyde bakelites till the present scenario wherein calixarene has assumed a …

Macrocyclic compounds play an important role in supramolecular chemistry accounting for
their unique recognition and self-assembly properties and potential applications in …

A simple and effective homogeneous liquid–liquid extraction method has been used for the
simultaneous extraction and preconcentration of cobalt, copper, and nickel after the …

Azocalixarenes, which have a conjugated chromophore azo (–N= N–) group in p-positions,
are synthesized in “one-pot” procedures in satisfactory yields. Their structures in the solid …

A series of novel azocalix [4] arene dyes (1–12) were prepared by linking o-, m-, p-
chloroaniline, o-, m-, p-nitroaniline, o-, m-, p-toluidine, m-, p-anisidine and aniline to calix [4] …

The ionophore solvent extraction of various alkali metal and transition metal cations from the
aqueous phase to the organic phase was carried out by using diazo-coupling calix [n] …

In this study, a new and simple homogeneous liquid-liquid extraction (HLLE) method based
on a pH-independent phase-separation process was developed using a ternary solvent …