Merck

New structural motifs in lithium and zinc calix[4]arene chemistry.

Dalton transactions (Cambridge, England : 2003) (2013-01-03)
Carl Redshaw, Oliver Rowe, David L Hughes, Anna-Marie Fuller, Ilich A Ibarra, Simon M Humphrey
ABSTRACT

The structures of three novel compounds prepared from the reaction of the lower-rim 1,3-diacid calix[4]arene (LH(2)) with lithium carbonate (1), t-butyl-lithium (2) and zinc acetate (3) are reported.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
n-Butyllithium solution, 2.7 M in heptane
Sigma-Aldrich
Lithium carbonate, 99.997% trace metals basis
Sigma-Aldrich
n-Butyllithium solution, 2.5 M in hexanes
Sigma-Aldrich
n-Butyllithium solution, 11.0 M in hexanes
Sigma-Aldrich
Zinc acetate dihydrate, 99.999% trace metals basis
Sigma-Aldrich
n-Butyllithium solution, 2.0 M in cyclohexane
Sigma-Aldrich
n-Butyllithium solution, 1.6 M in hexanes
Sigma-Aldrich
Lithium carbonate, 99.99% trace metals basis
Sigma-Aldrich
n-Butyllithium solution, 1.4 M in toluene
Sigma-Aldrich
Zinc acetate dihydrate, reagent grade
Sigma-Aldrich
Lithium carbonate, 99.999% trace metals basis
Sigma-Aldrich
Zinc acetate dihydrate, ACS reagent, ≥98%
Sigma-Aldrich
Lithium carbonate, ACS reagent, ≥99.0%
Sigma-Aldrich
Zinc acetate dihydrate, puriss. p.a., ACS reagent, ≥99.0% (KT)
Sigma-Aldrich
Lithium carbonate, puriss. p.a., ACS reagent, reagent (for microscopy), ≥99.0% (T)