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23
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33750580299
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note
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b) Stereochemistry of alkene moiety at C(7) of 12 was not determined.
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24
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33750589887
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note
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2O, respectively, instead of AllocCl.
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26
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4043071644
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27
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33750598829
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note
-
Although all the compounds are racemic, Si*-Re* notation is temporary employed in the formula 16.
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-
-
-
28
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33750591854
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note
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Hydride attack to carbonyl group in 16 would be occurred from the side of low torsional strain. (Chemical Equation Presented)
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-
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33
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33750584897
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note
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Stereochemistry of 18 at C(8) was not determined. We supposed the stereochemistry as depicted in Scheme 3 based on the analogy of the results of the attack of hydride to 16 an shown in Eq. 2.
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38
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