6-氯嘌呤 、
Acetic acid (2S,3S)-2-(tert-butyl-dimethyl-silanyloxymethyl)-2-methyl-2,3-dihydro-furan-3-yl ester 在
tris-(dibenzylideneacetone)dipalladium(0) 亚磷酸三苯酯 作用下,
以
二氯甲烷 为溶剂,
生成 9-[(2S,5R)-5-(tert-Butyl-dimethyl-silanyloxymethyl)-5-methyl-2,5-dihydro-furan-2-yl]-6-chloro-9H-purine 、 9-[(2R,5R)-5-(tert-Butyl-dimethyl-silanyloxymethyl)-5-methyl-2,5-dihydro-furan-2-yl]-6-chloro-9H-purine