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Macrocyclic receptor for pertechnetate and perrhenate anions.

Organic & biomolecular chemistry (2011-09-07)
Grigory V Kolesnikov, Konstantin E German, Gayane Kirakosyan, Ivan G Tananaev, Yuri A Ustynyuk, Victor N Khrustalev, Evgeny A Katayev
ABSTRACT

The design and synthesis of a neutral macrocyclic host that is capable of perrhenate and pertechnetate recognition is described. The anion affinities and underlying coordination modes were estimated by several experimental and theoretical methods including a new technique--reverse (99)Tc NMR titration.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Potassium perrhenate, 99%
Sigma-Aldrich
Ammonium perrhenate, ≥99%
Sigma-Aldrich
Ammonium perrhenate, 99.999% trace metals basis
Sigma-Aldrich
Potassium perrhenate, 99.98% trace metals basis
Sigma-Aldrich
N-Boc-m-phenylenediamine, ≥98.0% (HPLC)
Sigma-Aldrich
Sodium perrhenate, 99.99% trace metals basis