Etude de la réactivité de la fonction ca
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Laurent Vuitel; Raffaele Tabacchi; André Jacot-Guillarmod
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Article
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1974
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John Wiley and Sons
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German
⚖ 315 KB
👁 1 views
## Abstract The NMR. spectra of a serie of β‐hydroxyesters have been studied. It has been found that the methylene protons are magnetically nonequivalent only when the substituents on the center of asymmetry of I or II are very different. The magnetically non‐equivalence of the isopropylmethylproto