Bulletin of the Academy of Sciences of the USSR Division of Chemical Science p. 1090 - 1092 (1991)
Update date:2022-08-05
Topics:
Zav'yalov, S. I.
Zavozin, A. G.
Kravchenko, N. E.
The thermal cyclization of 2,2-dimethyl-5-(2-aryl-2-oxoethyl)-1,3-dioxan-4,6-diones forms 5-aryl-β,γ-butenolides.Regioselective chlorination of 2,2-dimethyl-5-<2-aryl(alkyl)-2-oxoethyl>-1,3-dioxane-4,6-diones by SO2Cl2 gives the 5-chloro derivatives, thes
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