Progress towards the total synthesis of
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Truc M. Nguyen; Daesung Lee
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Article
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2002
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Elsevier Science
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French
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The construction of the 5-7-6 tricyclic skeleton of guanacastepene A, including the quaternary carbons, has been achieved. The C-11 and C-8 quaternary carbons were constructed by cuprate addition and carbene insertion, respectively. The 5-7-6 tricyclic core was generated by a selective aldol and SmI