An improved synthesis of ximenynic acid (1) starting from castor oil has been developed with the direct chlorination of ricinstearolic acid as the key step. By this modification, the synthetic route was more concise and economic. The separation of geometric somers was achieved by repeated urea fractionation. Supplemental materials are available for this article. Go the publisher's online edition of Synthetic Communications to view the free supplemental file.
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E China Univ Sci & Technol, Shanghai Key Lab New Drug Design, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Shanghai Key Lab New Drug Design, Shanghai 200237, Peoples R China
Wang, Peiqiang
Li, Jue
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E China Univ Sci & Technol, Shanghai Key Lab New Drug Design, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Shanghai Key Lab New Drug Design, Shanghai 200237, Peoples R China
Li, Jue
Yu, Chen-Lin
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E China Univ Sci & Technol, Shanghai Key Lab New Drug Design, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Shanghai Key Lab New Drug Design, Shanghai 200237, Peoples R China
Yu, Chen-Lin
Xiao, Xiong
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E China Univ Sci & Technol, Shanghai Key Lab New Drug Design, Shanghai 200237, Peoples R ChinaE China Univ Sci & Technol, Shanghai Key Lab New Drug Design, Shanghai 200237, Peoples R China
Xiao, Xiong
Wu, Pei-Ying
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Shanghai Univ Tradit Chinese Med, Shanghai 201203, Peoples R ChinaE China Univ Sci & Technol, Shanghai Key Lab New Drug Design, Shanghai 200237, Peoples R China
Wu, Pei-Ying
Zeng, Bu-Bing
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E China Univ Sci & Technol, Shanghai Key Lab New Drug Design, Shanghai 200237, Peoples R China
Chinese Acad Sci, Shanghai Inst Organ Chem, Key Lab Synthet Chem Nat Subst, Shanghai 200032, Peoples R ChinaE China Univ Sci & Technol, Shanghai Key Lab New Drug Design, Shanghai 200237, Peoples R China