(R)-2-[1-(4-cyano-3-fluorobenzyl)-1H-imidazol-5-yl]-N-[1-(7-hydroxynaphthalen-1-yl)-2-oxopyrrolidin-3-yl]acetamide 在
caesium carbonate 作用下,
以
二甲基亚砜 为溶剂,
以71%的产率得到(5R)-7,31-dioxo-20-oxa-2,6,11,13-tetrazahexacyclo[19.6.2.12,5.115,19.09,13.024,28]hentriaconta-1(27),9,11,15(30),16,18,21(29),22,24(28),25-decaene-18-carbonitrile