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The title compound,sarcophytol-A benzyl ether has been synthesized through 13 stepsby employing acetone and geraniol as starting materials.The key steps in the synthesis weredouble bond migration reaction of allylic alcohols 5 and 6,phase transfer catalytic coupling(PTC)reaction of Ⅱ with 7 and the cyclization reaction of dicarbonyl acyclic precursor inducedby TiCl_3-AlCl_3(3:1)/Zn-Cu system.
The title compound, sarcophytol-A benzyl ether has been synthesized through 13 steps employing employing acetone and geraniol as starting materials. The key steps in the synthesis weredouble bond migration reaction of allylic alcohols 5 and 6, phase transfer catalytic coupling (PTC) reaction of II with 7 and the cyclization reaction of dicarbonyl acyclic precursor inducedby TiCl_3-AlCl_3 (3: 1) / Zn-Cu system.