3-isocyanatoisoquinoline 、 (7R,10S,11R,12E,17E,19E,21S)-21-[tert-butyl(dimethyl)silyl]oxy-10-[(2R)-1-hydroxypropan-2-yl]-11,19-dimethyl-27-trimethylsilyl-9,26-dioxa-3,15,28-triazatricyclo[23.2.1.03,7]octacosa-1(27),12,17,19,25(28)-pentaene-2,8,14,23-tetrone 在
4-二甲氨基吡啶 作用下,
生成