%0 Journal Article %1 Kaim.1985d %A Kaim, Wolfgang. %D 1985 %J Zeitschrift fuer Naturforschung, Teil B: Anorganische Chemie, Organische Chemie %K ESR ESR;borane ESR;gallane ESR;phosphine alane anion complex diphosphine radical %N 1 %P 61--66 %T Reaction of aromatic phosphine derivatives with electrons, III. Phosphine-boranes, -alanes, and -gallanes %V 40B %X The 1:2 mol. complexes formed from p-(Me2P)2C6H4 and boranes, trialkylaluminum and -gallium were reduced by K in THF contg. a K+-complexing crown ether. The bis(borane) complex anion radicals were quite persistent, whereas the corresponding Al radical complexes could only be obsd. at \textless240 K. The bis(trimethylgallium) complex gave Ga metal on redn. with K. An ESR comparison with the anion radicals of the free ligand, of corresponding chalcogenides, imines and phosphonium salts shows negligible effects of P-complexation on the p-spin distribution but high sensitivity of the 31P coupling const. towards coordination of electrophiles at the basic P(III) centers. on SciFinder(R)

@article{Kaim.1985d, abstract = {The 1:2 mol. complexes formed from p-(Me2P)2C6H4 and boranes, trialkylaluminum and -gallium were reduced by K in THF contg. a K+-complexing crown ether. The bis(borane) complex anion radicals were quite persistent, whereas the corresponding Al radical complexes could only be obsd. at {\textless}240 K. The bis(trimethylgallium) complex gave Ga metal on redn. with K. An ESR comparison with the anion radicals of the free ligand, of corresponding chalcogenides, imines and phosphonium salts shows negligible effects of P-complexation on the \textgreek{p}-spin distribution but high sensitivity of the 31P coupling const. towards coordination of electrophiles at the basic P(III) centers. [on SciFinder(R)]}, added-at = {2022-06-15T11:26:56.000+0200}, author = {Kaim, Wolfgang.}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/253e18d33c255b66c5e153ee9d4f0136b/huebleriac}, interhash = {e095d0aec1f3b3eb8aeec4719b9d9d3f}, intrahash = {53e18d33c255b66c5e153ee9d4f0136b}, issn = {0340-5087}, journal = {Zeitschrift fuer Naturforschung, Teil B: Anorganische Chemie, Organische Chemie}, keywords = {ESR ESR;borane ESR;gallane ESR;phosphine alane anion complex diphosphine radical}, number = 1, pages = {61--66}, timestamp = {2022-06-15T09:26:56.000+0200}, title = {Reaction of aromatic phosphine derivatives with electrons, III. Phosphine-boranes, -alanes, and -gallanes}, volume = {40B}, year = 1985 }