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SYNTHESIS AND REACTIONS OF SOME CHLORO-2,2-DIMETHYLCHROMENS
Hepworth, John D.,Jones, Terry K.,Livingstone, Robert
, p. 2613 - 2616 (2007/10/02)
5-, 6-, 7-, and 8-Chloro-2,2-dimethylchromens have been prepared from the corresponding chlorocumarin and their conversion into the 3,4-dihalogenochroman derivatives is described.The 4-halogen atom is shown to be the more susceptible to hydrolysis by conv
