(E)-3-(2,5,6,6-tetramethylcyclohex-2-en-1-yl)acrylic acid 、
N-Boc-哌嗪 在
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 、
N,N-二异丙基乙胺 作用下,
以
乙腈 为溶剂,
反应 4.5h,
以66%的产率得到tert-butyl (E)-4-(3-(2,5,6,6-tetramethylcyclohex-2-en-1-yl)acryloyl)piperazine-1-carboxylate