S. Aitmohand et J. Muzart, PALLADIUM-CATALYZED OXIDATIVE CYCLIZATION OF 1,4-DIOLS AND 1,5-DIOLS IN 1,2-DICHLOROETHANE, Journal of molecular catalysis. A, Chemical, 129(2-3), 1998, pp. 135-139
beta- and delta-lactones have been obtained from diols in 1,2-dichloro
ethane containing sodium carbonate and catalytic amounts of both palla
dium chloride and Adogen 464. In one case, the reaction stopped at the
level of the lactol; a dealkoxypalladation is thus suggested. (C) 199
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