(S)-tert-butyl 3-((9-(3-iodo-2-methylbenzyl)-8-oxo-8,9-dihydro-7H-purin-2-ylamino)methyl)pyrrolidine-1-carboxylate 、
3-氟苯基硼酸 在
四(三苯基膦)钯 silica gel 、
二氯甲烷 、
(S)-tert-butyl 3-((9-(3-(3-fluorophenyl)-2-methylbenzyl)-8-oxo-8,9-dihydro-7H-purin-2-ylamino)methyl)pyrrolidine-1-carboxylate 作用下,
以
叔丁醇 、
potassium carbonate 为溶剂,
反应 0.25h,
以to give (S)-tert-Butyl 3-((9-(3-(3-fluorophenyl)-2-methylbenzyl)-8-oxo-8,9-dihydro-7H-purin-2-ylamino)methyl)pyrrolidine-1-carboxylate [20 mg, 76%; Intermediate 36] as a pale yellow oil的产率得到(S)-tert-butyl 3-((9-(3-(3-fluorophenyl)-2-methylbenzyl)-8-oxo-8,9-dihydro-7H-purin-2-ylamino)methyl)pyrrolidine-1-carboxylate