丙酮 、
1'-Amino-2-[(4-bromo-2-fluorophenyl)methyl]-6-fluorospiro[isoquinoline-4(1H),3'-pyrrolidine]-1,2',3,5'(2H)-tetrone 在
camphor-10-sulfonic acid 作用下,
反应 0.33h,
生成 2-[(4-bromo-2-fluorophenyl)methyl]-6-fluoro-1'-[(1-methylethylidene)amino]spiro[isoquinoline-4(1H),3'-pyrrolidine]-1,2',3,5'(2H)-tetrone