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The precursors I(R′=CH_2OTHP,or CO_2Et)for(±)-Malabaric acid(1)and(±)-Anisomelol(2)were synthesized from geraniol 3 and homogeranyl iodide 5(2,6-dimetyl-9-iodo-2,6E-nonadiene)via Wadsworth-Emmons condensation and allylic regioselective chlorination.
The precursors I (R ’= CH 2 OTHP, or CO 2 Et) for ± ± Malabaric acid (1) and ± ± -isnisomelol (2) were synthesized from geraniol 3 and homogeranyl iodide 5 -2,6E-nonadiene) via Wadsworth-Emmons condensation and allylic regioselective chlorination.