(E)-6-phenyl-5-hexene-2,4-dione 、
[21,23-didehydro-10,15,20-tris(4-methoxycarbonylphenyl)-23H-5-oxaporphyrinato](trifluoroacetato)zinc(II) 在
sodium hydride 作用下,
以
四氢呋喃 、 mineral oil 为溶剂,
反应 0.08h,
以72%的产率得到21H,22H,24H-(4Z,9Z,15Z,19E)-19-((E)-1-acetyl-2-oxo-4-phenyl-3-butenylidene)-5,10,15-tris(4-methoxycarbonylphenyl)-1,19,21,24-tetrahydrobilin-1-one