Acetic acid (1S,4aS,5R,7aR)-7-acetoxymethyl-1,4a-bis-((3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-1,4a,5,7a-tetrahydro-cyclopenta[c]pyran-5-yl ester 在
palladium hydroxide - carbon
环己烯 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以50%的产率得到Acetic acid (1S,4aS,5R,7aR)-7-methyl-1,4a-bis-((3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-yloxy)-1,4a,5,7a-tetrahydro-cyclopenta[c]pyran-5-yl ester