| 摘要 |
A halogenated substituted cyclopentene derivative of formula (I): wherein R is a hydrogen atom, alkyl radical having 1-6 carbon atoms, alkenyl radical having 2-6 carbon atoms, alkynyl radical having 2-6 carbon atoms, cycloalkyl radical having 3-8 carbon atoms, aralkyl radical having 7-19 carbon atoms, aryl radical having 6-12 carbon atoms, alkoxy radical having 1-6 carbon atoms, alkenyloxy radical having 2-6 carbon atoms, alkylthio radical having 1-6 carbon atoms or alkenylthio radical having 2-6 carbon atoms; X1 is (alpha-OZa, beta-H) or (alpha-H, beta-OZa), X3 is (alpha-OZd, beta-H), (alpha-H, beta-OZd) or oxygen atom, each of Za and Zd, which may be the same or different, is a hydrogen atom or a protective radical for a hydroxyl radical; and W is a halogen atom
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