(S)-methyl 2-(tert-butoxy)-2-(1-(3,4-difluorobenzyl)-4-iodo-6-methyl-1H-pyrrolo[2,3-b]pyridin-5-yl)acetate 、
2-(3,3-dimethyl-2H-1-benzofuran-5-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 在
(S)-2-(tert-butoxy)-2-(1-(3,4-difluorobenzyl)-4-(3,3-dimethyl-2,3-dihydrobenzofuran-5-yl)-6-methyl-1H-pyrrolo[2,3-b]pyridin-5-yl)acetic acid 作用下,
以to afford the title compound (76 mg, 84%)的产率得到(S)-2-(tert-butoxy)-2-(1-(3,4-difluorobenzyl)-4-(3,3-dimethyl-2,3-dihydrobenzofuran-5-yl)-6-methyl-1H-pyrrolo[2,3-b]pyridin-5-yl)acetic acid