Abstract
AbstractCarbon‐13 NMR signals were assigned to a set of methyl 5β‐cholanoates having multiple functional groups, including hydroxy, carbonyl and acetoxy groups. Assignments were based on empirical chemical shift rules for α‐, β‐ and γ‐substituent effects, direct spectral comparison with compounds of similar structure, DEPT and 2D‐HETCOR. Use of β‐substituent effects permitted the assignment of structural changes at positions 3, 7 and 12 of the steroidal nucleus.
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