其次，先将靛红和丙二腈缩合制备得亲偶极体后与另一分子靛红及肌氨酸进行三组分反应可以合成含有两个不同吲哚片段的双螺环化合物。
Secondly, the three components of isatin, sarcosine and dipolarophiles condensed by isatin and malononitrile were involved in forming dispiro compounds including two of different indole moieties.
其次，先将靛红和丙二腈缩合制备得亲偶极体后与另一分子靛红及肌氨酸进行三组分反应可以合成含有两个不同吲哚片段的双螺环化合物。
Secondly, the three components of isatin, sarcosine and dipolarophiles condensed by isatin and malononitrile were involved in forming dispiro compounds including two of different indole moieties.
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