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  • Capture and activation of aerial CO2 by carbamoylation of L-threonine in a Ag(I) supramolecular framework.

Capture and activation of aerial CO2 by carbamoylation of L-threonine in a Ag(I) supramolecular framework.

Dalton transactions (Cambridge, England : 2003) (2011-04-23)
Di Sun, Dan-Feng Wang, Na Zhang, Fu-Jing Liu, Hong-Jun Hao, Rong-Bin Huang, Lan-Sun Zheng
ABSTRACT

An ultrasonic reaction of Ag(2)O, 4,4'-bipyridine (bipy) and (2S, 3R)-3-amino-2-hydroxybutanoic acid (L-Thr) gives an unexpected Ag(I) supramolecular framework, {[Ag(3)(bipy)(3)(cahba)]·HCO(3)·10H(2)O}(n) (1), in which the (2S, 3R)-3-(carboxyamino)-2-hydroxybutanoic acid (H(2)cahba) is a carbamate derivative of L-Thr, obtained via in situ transformation of amino group of L-Thr into carbamate by means of CO(2) uptake.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Silver oxide, predominantly silver(II) oxide
Sigma-Aldrich
4,4′−Dipyridyl, 98%
Sigma-Aldrich
Silver(I) oxide, ≥99.99% trace metals basis
Sigma-Aldrich
Silver(I) oxide, purum p.a., ≥99.0% (AT)
Sigma-Aldrich
Silver(I) oxide, ReagentPlus®, 99%