[(2E,4Z,10Z,12E)-5,10-Di-tert-butyl-14-[2-oxo-eth-(Z)-ylidene]-cyclooctadeca-2,4,10,12-tetraene-6,8,15,17-tetrayn-(Z)-ylidene]-acetaldehyde 以
甲苯 为溶剂,
反应 1.0h,
以83%的产率得到(9E,11Z,17Z,19E)-12,17-Di-tert-butyl-5,24-dioxa-tricyclo[19.3.0.04,8]tetracosa-1(21),4(8),6,9,11,17,19,22-octaene-2,13,15-triyne