{[Methyl-((S)-1,2,3,4-tetrahydro-isoquinoline-3-carbonyl)-amino]-methyl}-carbamic acid 2,5-dioxo-pyrrolidin-1-yl ester; compound with trifluoro-acetic acid 在
N,N-二异丙基乙胺 作用下,
以
乙腈 为溶剂,
反应 0.5h,
以68%的产率得到(S)-9-Methyl-8,9,10a,11-tetrahydro-5H,7H-5a,7,9-triaza-cyclohepta[b]naphthalene-6,10-dione