1-cyclopropyl-N-(4-fluorobenzyl)ethanamine 、 2-(5-bromo-2',4'-dioxo-2,3-dihydrospiro[indene-1,5'-oxazolidine]-3'-yl)acetic acid 在
N,N-二异丙基乙胺 、 Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以28%的产率得到2-(5-bromo-2',4'-dioxo-2,3-dihydrospiro[indene-1,5'-oxazolidine]-3'-yl)-N-(1-cyclopropylethyl)-N-(4-fluorobenzyl)acetamide