5-((R)-1-{(R)-4-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-5-oxo-2,5-dihydro-furan-2-yl}-2-methyl-allyl)-2-formyl-furan-3-carboxylic acid methyl ester 在
sodium tetrahydroborate 作用下,
以
甲醇 为溶剂,
以99%的产率得到5-((R)-1-{(R)-4-[2-(tert-Butyl-diphenyl-silanyloxy)-ethyl]-5-oxo-2,5-dihydro-furan-2-yl}-2-methyl-allyl)-2-hydroxymethyl-furan-3-carboxylic acid methyl ester