(S)-2-fluoro-4-[(5-{[[1-(7-hydroxynaphthalen-1-yl)-2-oxopyrrolidin-3-yl]amino]methyl}imidazol-1-yl)methyl]benzonitrile 在
caesium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以84%的产率得到(5S)-30-oxo-19-oxa-2,6,10,12-tetrazahexacyclo[18.6.2.12,5.114,18.08,12.023,27]triaconta-1(26),8,10,14(29),15,17,20(28),21,23(27),24-decaene-17-carbonitrile