Abstract
The absolute configurations of the side chains of polyhydroxylated steroids from the starfish Henricia derjugini were determined by Mosher’s method using 1H NMR spectra of R-(+)- and S-(−)-α-methoxy-α-(trifluoromethyl)phenylacetates of these compounds. The chiral centers have the (24S) configuration in a steroidal hexaol and henricioside H1, the (24R,25S) configuration in henricioside H2, and the (24R, 25R) configuration in henricioside H3.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2530–2533, November, 2004.
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Ivanchina, N.V., Kicha, A.A., Kalinovsky, A.I. et al. Absolute configuration of side chains of polyhydroxylated steroidal compounds from the starfish Henricia derjugini . Russ Chem Bull 53, 2639–2642 (2004). https://doi.org/10.1007/s11172-005-0166-y
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DOI: https://doi.org/10.1007/s11172-005-0166-y