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85030268599
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+, 10)
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28
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85030279212
-
-
note
-
+, 10)
-
-
-
-
29
-
-
85030268234
-
-
From NOE experiments the stereochemistry of compounds 5 can be deduced, since the selective saturation of the singlet at 8.51 ppm afforded positive NOE over the adjacent vinylic proton and absence of interation with 4-H
-
16. From NOE experiments the stereochemistry of compounds 5 can be deduced, since the selective saturation of the singlet at 8.51 ppm afforded positive NOE over the adjacent vinylic proton and absence of interation with 4-H
-
-
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-
30
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-
85030270446
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1H-NMR spectroscopy
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1H-NMR spectroscopy.
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33
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85030279339
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36
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