How is (3beta,9beta,11beta,24R)-11-Hydroxy-16,23-dioxo-24,25-epoxy-9,19-cyclolanost-7-en-3-yl beta-D-xylopyranoside (CAS: 163046-73-9) typically synthesized?

This compound is typically synthesized via a multi-step process involving protection and deprotection of lactone rings, followed by ring opening and glycosylation reactions. Commonly used catalysts include transition metal complexes, and the reaction conditions are optimized for high yield and selectivity. The synthesis often requires the use of protected intermediates to control the reactivity and ensure the desired stereoisomer is formed.