Summary.
Three new acyclic dimers of cholic acid with oxamide and isomeric hydrazide (N,N′-diacylhydrazine) spacers were obtained. The oxamide spacers bind two identical steroidal subunits through position 3 (head-to-head dimer) or position 23 (tail-to-tail dimer). In the case of a third dimer the hydrazine moiety binds two molecules of cholic acid through position 24 (tail-to-tail dimer).
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Łotowski, Z., Guzmański, D. New Acyclic Dimers of Cholic Acid with Oxamide and Hydrazide Spacers. Monatsh. Chem. 137, 117–124 (2006). https://doi.org/10.1007/s00706-005-0402-z
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DOI: https://doi.org/10.1007/s00706-005-0402-z