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从橡胶树胶乳中分离出δ-生育三烯酚及其性质

The isolation and properties of delta-tocotrienol from Hevea latex.

作者信息

Whittle K J, Dunphy P J, Pennock J F

出版信息

Biochem J. 1966 Jul;100(1):138-45. doi: 10.1042/bj1000138.

Abstract
  1. delta-Tocotrienol (8-methyltocotrienol) was isolated from the latex of Hevea brasiliensis. This new member of the tocopherol family is a pale-yellow oil at room temperature. 2. The properties of delta-tocotrienol are very similar to those of delta-tocopherol and the small differences can be explained by the change in side chain. 3. The ultraviolet and infrared spectra of delta-tocotrienol were determined and a conversion factor for use with the Emmerie-Engel reaction was worked out. Details are given for the chromatography of delta-tocotrienol on thin layers (adsorption and partition) and reversed-phase paper, and the nitroso derivatives were formed. 4. An ethyl carbonate ester of delta-tocotrienol was prepared and compared with a similar ester of delta-tocopherol. 5. Hydroxymethylation of delta-tocotrienol followed by reduction gave beta-tocotrienol as a major product.
摘要
  1. δ-生育三烯酚(8-甲基生育三烯酚)是从巴西橡胶树的乳胶中分离出来的。生育酚家族的这个新成员在室温下是一种淡黄色油状物。2. δ-生育三烯酚的性质与δ-生育酚非常相似,其细微差异可由侧链的变化来解释。3. 测定了δ-生育三烯酚的紫外光谱和红外光谱,并得出了用于埃默里-恩格尔反应的换算因子。给出了δ-生育三烯酚在薄层(吸附和分配)和反相纸上的色谱分析细节,并形成了亚硝基衍生物。4. 制备了δ-生育三烯酚的碳酸乙酯,并与δ-生育酚的类似酯进行了比较。5. δ-生育三烯酚经羟甲基化后再还原,得到β-生育三烯酚作为主要产物。

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