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Synthesis 1995; 1995(5): 582-586
DOI: 10.1055/s-1995-3947
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Stereoselective Syntheses of Taiwanin A and Its Isomers Using a Cross-Coupling Reaction

Hiroshi Sai, Tsuyoshi Ogiku, Takashi Nishitani, Hajime Hiramatsu, Hiroshi Horikawa* , Tameo Iwasaki
  • *Research Laboratory of Applied Biochemistry, Tanabe Seiyaku Co., Ltd., 3-16-89, Kashima, Yodogawa, Osaka 532, Japan, Fax +81(6)3002593
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Publikationsdatum:
31. Dezember 2000 (online)

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Taiwanin A and its isomers 7 were synthesized by means of the cross-coupling reaction of the vinylstannanes 4 and the vinyl bromides 5, which were obtained from the propiolic acid esters 3 by stereoselective hydrostannation, as a key step.

Taiwanin A - α,β-dibenzylidene-γ-butyrolactone - cross-coupling reaction - stereoselective hydrostannation - diene geometry