FRIEDEL-CRAFTS CYCLIZATION OF SUCCINIC HALF-ESTER DREVITIES

(Char Bin Saad Monthly)

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Abstract

A number of annelated cyclopentenone derivatives have been prepared, in high yields, starting from fulgenic half ester- acid chlorides. The preparation of a wide range of different types of cyclopentenone derivatives indicated that this reaction seems to be a good general procedure for making compounds of this kind. Irrespective of which half-ester acid chloride was used. the products were cyclopentenone derivatives and never cyclohexenone derivatives were obtained.
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