New expedient route to the stereoselecti
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Takashi Ishihara; Atsuya Takahashi; Hidetoshi Hayashi; Hiroki Yamanaka; Toshio K
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Article
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1998
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Elsevier Science
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French
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On treating the aluminum acetal intermediates, generated in situ from ethyl 3-benzyloxy-2, 2-difluoroalkanoates or 3-benzyloxy-4,4,4-trifluorobutanoate and diisobutylaluminum hydride at -78 qC for 1 h, with allylic stannanes in the presence of titanium(IV) dichloride diisopropoxide at 0 ~C for 8 h o