Bis-desoxy-dihydro-monotropein-methylester 在
palladium hydroxide - carbon
环己烯 作用下,
以
乙醇 为溶剂,
反应 12.0h,
以80%的产率得到(1S,4aS,7aS)-7-Methyl-1-((3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-1,4a,5,7a-tetrahydro-cyclopenta[c]pyran-4-carboxylic acid