allenes

studies on the addition reactions of allenes

联烯的一些加成反应研究

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either in media of liquid allenes or in solid polymers, the excitation ( absorp-tion) and emission wavelength of 7-diethylamino-4-methylcoumarin ( damc) are bathochromic with the polarity of media.

7-二乙氨基-4-甲基香豆素（DAMC）在液态烯烃和固态聚合物介质中的激发（吸收）波长和发射波长随介质的极性增大而红移。

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allenes are a class of compounds containing a cumulative diene functionality, which would be optically active when the two substituent groups on both of the terminal carbons of allene are different from each other.

联烯是一类含1,2-累积二烯官能团的化合物，其末端碳原子上取代基两两不同时就具有了轴手性。

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allenic sulfoxides and 1,2-allenic sulfones are important sulfur-containing allenes.

1,2联烯亚砜和1,2联烯砜是重要的含硫联烯化合物。

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the radical reaction of allenes and the nucleophilic addition reaction of electron-deficient allenes

联烯的自由基反应和缺电子联烯的亲核加成反应

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allenes, which contain the functional group of 1,2-propadiene, are highly reactive.

联烯是含有1,2丙二烯官能团的重要化合物，具有很高的反应活性。

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with the recent development in this area, allenes are playing more and more important roles in organic synthesis.

随着有机化学的发展，联烯在有机合成中发挥着越来越重要的作用。

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