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85030190227
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note
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The anti selectivity of these additions was established by 500 MHz NMR analysis of silyl ether 14 (R = Ph; R′ = Me) and by coupling constant correlations (Footnote 11).
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10
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note
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For silyl ethers 13 and 14, we have noticed the following trends in proton NMR coupling constants: (equation presented)
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12
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0003448734
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