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以蚕沙粗品叶绿素为原料，经降解、氧化反应制得紫红素－１８（３），并以３ 为关键中间体合成了１０ 个二氢卟吩Ｐ６ 酰胺衍生物，其中９个为首次报道
The crude chlorophyll of silkworm excrement was used as raw material to synthesize purporine-18 (3) through degradation and oxidation reaction. Ten chlorin porphyrin derivatives were synthesized with 3 as the key intermediates, of which 9 were the first reported