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  • Tandem ring-opening decarboxylation of cyclopropane hemimalonates with sodium azide: a short route to γ-aminobutyric acid esters.

Tandem ring-opening decarboxylation of cyclopropane hemimalonates with sodium azide: a short route to γ-aminobutyric acid esters.

The Journal of organic chemistry (2012-07-11)
Michael R Emmett, Huck K Grover, Michael A Kerr
ZUSAMMENFASSUNG

Cyclopropane hemimalonates, when treated with sodium azide, undergo a tandem ring-opening decarboxylation to produce γ-azidobutyric acids in good yields. These adducts were hydrogenated to form γ-aminobutyric acid (GABA) methyl esters.

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Natriumazid, ReagentPlus®, ≥99.5%
Sigma-Aldrich
Natriumazid, BioUltra, ≥99.5% (T)
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Natriumazid, purum p.a., ≥99.0% (T)
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Natriumazid, BioXtra
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Natriumazid 0,1 mol/l -Lösung
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4-Amino-buttersäure-methylester -hydrochlorid, ≥99.0% (AT)