methyl (E)-4,8:7,11-dianhydro-9,12-O-dibenzyl-4-C-methyl-5-O-(tert-butyldimethylsilyl)-2,3,6,10-tetradeoxy-D-threo-L-allo-dodec-2-enoate 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 12.0h,
以90%的产率得到methyl 4,8:7,11-dianhydro-9,12-O-dibenzyl-4-C-methyl-5-O-(tert-butyldimethylsilyl)-2,3,6,10-tetradeoxy-D-threo-L-allo-dodecanoate