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. 2009 Aug;74(8):715-20.
doi: 10.1016/j.steroids.2009.04.004. Epub 2009 Apr 18.

Synthesis of spiroannulated oligopyrrole macrocycles derived from lithocholic acid

Nguyen Thi Thu Huong  1 , Petra Klímková, Alessandro Sorrenti, Giovanna Mancini, Pavel Drasar
Affiliations

Synthesis of spiroannulated oligopyrrole macrocycles derived from lithocholic acid

Nguyen Thi Thu Huong et al. Steroids. 2009 Aug.

Abstract

Two new steroidal spiroannulated calix[4]pyrroles 5 and 10, derived from bile acids (lithocholate), were prepared by the acid catalyzed condensation of methyl-3,3-bis(pyrrol-2-yl)-5beta-cholan-24-oate 3 with carbonyl compounds and with 2,2'-propane-2,2-diylbis(1H-pyrrole), respectively. The new compounds were fully characterized by physicochemical methods.

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