Synthesis 2025; 57(12): 2004-2014
DOI: 10.1055/a-2562-8973
paper

Synthesis of Dimeric Hybrid Steroid Trioxadispiroketals by Cadiot–Chodkiewicz Coupling/Gold-Catalyzed Dispiroketalization

Victoria-Miguel Jorge
,
Marcos Flores-Álamo
,

The authors acknowledge the financial support provided by Dirección General de Asuntos del Personal Académico (Grant IN204323) and the Faculty of Chemistry UNAM (PAIP-5000-9063).


Abstract

Two hybrid steroids dimers bearing the trioxadiespiroketal moiety were obtained starting from cholesterol and diosgenin. The key steps of the designed protocol are the Cadiot–Chodkiewicz cross coupling between iodoalkynols and alkynols and the Au-catalyzed dispiroketalization of hybrid dialkyndiols.

Supporting Information



Publication History

Received: 30 January 2025

Accepted after revision: 19 March 2025

Accepted Manuscript online:
19 March 2025

Article published online:
23 April 2025

© 2025. Thieme. All rights reserved

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