Reduction of naphthalene and anthracene in diglyme, a thermodynamically favourable chelate ether for Na+ solvation, with sodium metal gave the crystalline solvent-separated radical anion salts, [C10H8·–][Na+(diglyme)2] and [C14H10·–][Na+(diglyme)2] whose structures were determined.
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Bock et al. (1995) studied this question.
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