Synthesis of (S)-plakolide A and revision of the absolute stereochemistry of the natural (-)-plakolide A

Heterocycles

Volumn 68, Issue 2, 2006, Pages 233-236

  Kanayama, Masaru ^a   Nishiwaki, Keiji ^a   Matsuo, Keizo ^a  

^a KINKI UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 33646697143     PISSN: 03855414     EISSN: None     Source Type: Journal    
DOI: 10.3987/COM-05-10632     Document Type: Article

References (22)

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10. 1H-NMR spectra of the mixture.
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12. 1H-NMR of 7: δ: 5.66 (1H, d, J=15.3 Hz), 5.73 (1H, dt, J=15.0, 6.9 Hz), 6.00 (1H, dd, J=15.0, 10.3 Hz), 6.6.20 (1 H, dd, J 15.3, 10.3 Hz).
13. 1H-NMR of 8: δ: 5.49 (1H, dt, J=10.7, 7.6 Hz), 5.71 (1H, d, J=15.3 Hz), 5.96 (1H, dt, J=11.0, 10.7 Hz), 6.53 (1H, ddd, J=15.3, 11.0, 1.0 Hz).
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20. 23 +5.27°. Therefore, the absolute stereochemistry of 9 was confirmed again as S. {A figure is presented}
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