alexa Synthesis of Four New Brassinosteroids Analogues 11-Oxo
ISSN: 2161-0401

Organic Chemistry: Current Research
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Research Article

Synthesis of Four New Brassinosteroids Analogues 11-Oxo-Functionalized on C Ring, with 24-Nor Side Chain and Containing 5β-Cholanic Acid Skeleton

Luis Espinoza*
Departamento de Química, Universidad Técnica Federico Santa María, Av. España 1680, Valparaíso, Chile
Corresponding Author : Luis Espinoza
Departamento de Química, Universidad Técnica Federico Santa María
Av. España 1680, Valparaíso, Chile
Tel: +560322654225
Fax: +560322654782
E-mail: [email protected]
Received: December 17, 2015; Accepted: December 23, 2015; Published: December 30, 2015
Citation: Espinoza L (2015) Synthesis of Four New Brassinosteroids Analogues 11-Oxo-Functionalized on C Ring, with 24-Nor Side Chain and Containing 5β-Cholanic Acid Skeleton. Organic Chem Curr Res 4:156. doi:10.4172/2161-0401.1000156
Copyright: © 2015 Espinoza L. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

In this work, I report the synthesis of four new brassinosteroids analogues with 24-nor side chain and 11-oxo functionalized on C ring, containing 5β-cholanic acid skeleton: 3α, 12β-diacetoxy-22(S), 23-dihydroxy-24-nor-5β-cholan- 11-one (20); 3α, 12β, 22(S), 23-tetrahydroxy-24-nor-5β-cholan-11-one (21); 3α, 12β, 22(S), 23-tetraacetoxy-24-nor-5β- cholan-11-one (22) and 3α, 12β-diacetoxy-[2,2-dimethyl-22(S), 23-dioxolane]-24-nor-5β-cholan-11-one (23) derivatives from commercial deoxycholic acid.

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