SYNTHESIS OF trans-FUSED PERHYDROFUROPYRANS AND RELATED α-METHYLENE LACTONES: BICYCLIC RING-SYSTEMS PRESENT IN THE EZOMYCINS, THE OCTOSYL ACIDS, AND CERTAIN ANTITUMOR TERPENOIDS

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• Anhui Charm Imp.&Exp.Co., Ltd

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• Onlychem (Jinan)Biotech Co.,Ltd

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• Dezhou Longteng Chemical Co., Ltd.

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  Contact:0086-18866052283

  Address:Xinhua Industrial Zone, Dezhou City, Shandong Province, China