Ishii Hideki, Dzyuba Sergei V, Nakanishi Koji
Department of Chemistry, Columbia University, 3000, Broadway, New York, NY 10027, USA.
Org Biomol Chem. 2005 Oct 7;3(19):3471-2. doi: 10.1039/b509129b. Epub 2005 Aug 30.
The lactone rings of ginkgolide A are converted into corresponding tetrahydrofuran moieties via DIBAL-H reduction followed by deoxygenation of the formed lactols with Et3SiH-BF3.Et2O to produce a series of lactone-free ginkgolides.
银杏内酯A的内酯环通过二异丁基氢化铝（DIBAL-H）还原，随后用三乙基硅烷（Et3SiH）-三氟化硼乙醚络合物（BF3.Et2O）将生成的内半缩醛脱氧，转化为相应的四氢呋喃部分，从而制备出一系列无内酯的银杏内酯。
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