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本文建立了从α－蒎烯齐聚物中提取高约二聚体的方法，并采用柱层析法对α－蒎烯二聚体异构体进行分离，通过ＮＭＲ（１３Ｃ－ＮＭＲ、１Ｈ－ＮＭＲ），ＩＲ、ＵＶ手段，对α－蒎烯二聚体主要异构体进行了表征，推测了其生成机理。
In this paper, a method for the extraction of homodimers from α-pinene oligomers was established and the α-pinene dimer isomers were separated by column chromatography. The 13C-NMR, 1H- NMR), IR and UV spectroscopy. The main isomers of α-pinene dimer were characterized and their formation mechanism was presumed.