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A. Ouchi and W. Adam
[J. Chem. Soc., Chem. Commun., No.7, pp.628-629, 1993]
The formation of acenaphthene 4 by laser-jet photolysis of 1,8-bis(phenoxymethyl)-(1a), 1,8-bis(phenylthiomethyl)-(1b) and 1,8-bis(phenylselenomethyl)-naphthalene(1c) strongly depends on the heteroatom of the leaving group; the increasing order of naphthalene consumption was 1c ≈ 1b ľ 1a, whereas that for the formation of 4 was 1c ľ 1a ľ 1b.