A síntese total da ciclopentenodiona (1), isolada das raízes de Piper carniconnectivum, é descrita em 8 etapas e 11% de rendimento global a partir do 2-acetilfurano, fornecendo uma mistura 57:43 dos dois possíveis isômeros geométricos 1a e 1b.The total synthesis of cyclopentene-1,3-dione (1), a new natural cyclopentenedione derivative isolated from the roots of Piper carniconnectivum, is described in 8 steps and 11% overall yield from 2-acetylfuran, giving a 57:43 mixture of the two possible geometric isomers 1a and1b.
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