translate English to French: The tricarbonyl anions of Cr, Mo, and W incorporating unsymmetrical tridentate chelating pyrazolyl gallate ligands, [Me2Ga(N2C5H7)(OCH2CH2X)]M(CO)3−, have been isolated as their crystalline Et4N+ salts.
On a isolé les anions tricarbonyl du Cr, du Mo et du W incorporant les ligands chélatants tridentates non-symétriques gallate de pyrazolyle, [Me2Ga(N2C5H7)(OCH2CH2X)]M(CO)3−, sous la forme de sels cristallins de tétraéthylammonium.