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  • Title: Synthesis of various secosteroidal macrocycles by ring-closing metathesis.
    Author: Ibrahim-Ouali M, Romero E.
    Journal: Steroids; 2013 Jul; 78(7):651-61. PubMed ID: 23583599.
    Abstract:
    We set out to describe an efficient and versatile method for preparing secosteroidal macrocycles from cholic acid, via an oxidative ring-expansion/ring-opening sequence and a ring-closing metathesis reaction as the key steps. The characteristic ¹H and ¹³C NMR spectroscopic features of the synthesized compounds are reported.
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