(3aR,3bS,4aS,5R,5aS)-5-(4-chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2,2-dimethylhexahydrocyclopropa[3,4]cyclopenta[1,2-d][1,3]dioxole-3b-carbaldehyde 、
(1-iodoethyl)triphenylphosphonium bromide 在
sodium hexamethyldisilazane 作用下,
以
四氢呋喃 为溶剂,
反应 0.67h,
以55.9%的产率得到4-chloro-7-((3aR,3bR,4aS,5R,5aS)-3b-((E)-2-iodoprop-1-en-1-yl)-2,2-dimethylhexahydrocyclopropa[3,4]cyclopenta[1,2-d][1,3]dioxol-5-yl)-7H-pyrrolo[2,3-d]pyrimidine