Abstract
Reaction d'Het-X avec l'iodure d'w-R alkylzinc (X=Br, Cl, I, R=Cl ou COOEt, alkyl=ethyl, propyl, butyl, Het=pyridyl-2 ou -3, dimethyl-2,6 pyridyl-4 ou dimethyl pyrimidinyl); obtention de Het-(CH 2 ) n -R
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