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   2-octenal 的翻译结果: 查询用时:0.137秒
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-octenal
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  “2-octenal”译为未确定词的双语例句
     Hydrocarbons and 1-octen-3-ol, 4-Nonenal, 2-octenal contributed the main flavor to the crude oyster.
     对于生牡蛎,烃类以及1-辛烯-3-醇、4-壬烯醛、2-辛醛等会对风味产生较大的影响;
短句来源
     Hydrocarbon,1-octen-3-ol,4-nonenal and 2-octenal play the main role to the uncooked oyster;
     烃类以及1 辛烯 3 醇、4 壬烯醛、2 辛醛等对生牡蛎的风味产生较大的影响;
短句来源
  相似匹配句对
     Synthesis of trans-2-Octenal
     反-2-辛烯醛的合成
短句来源
     m-2?
     m-2?
短句来源
     2).
     2)以同一强度等级、同一配合比为一取样单位。
短句来源
     (2).
     (2).综合介绍了数据仓库的主要特点、体系结构、数据组织,对于传统结构的不足提出了一种改进方法。
短句来源
     m~(-2) .
     m~(-2).
短句来源
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  -octenal
The sex pheromone consists of the female-specific compound, (E)-2,7-octadienal, and a compound emitted by both sexes, (E)-2-octenal.
      
One-step syntheses of 4-oxo-(E)-2-hexenal and 4-oxo-(E)-2-octenal from commercially available 2-ethyl- and 2-butylfuran are described.
      
The DAG contents of nymphs were also analyzed, with 4-oxo-(E)-2-hexenal, 4-oxo-(E)-2-octenal, tridecane, and tetradecanal being major components.
      
Many of the compounds have previously been found in cervid secretions, but the unsaturated aldehydes, (E)-2-octenal, (E)-2-nonenal, and (E)-2-decenal, have not previously been reported in the glands of any cervid.
      
Other components in the extracts from adults of both sexes included (E)-2-hexenyl acetate, (E)-2-octenal, and several saturated hydrocarbons, but these components were not part of the attractant.
      
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The chemical constituents of a flavour oil from the roots of Zanthpxylum austresinense Huang were separated by gas chromatography employing glass capillary columus and identified by GC-MS-COM. Ten compounds have been separated and identified, i.e. Hexanal, Heptanal ,2-pentylfuran, ( E ) - 2-Heptenal, ( E) - 2 -Octenal, ( E ) - 2 -Nonenal , Methyl O-aminobenzoate, Methyl O-aminotoluate, Propyl O-aminobenz-oate and Methyl, 2, 3-dimethyl heptylate.

本文报道用毛细管气相色谱法及毛细管色谱-质谱-计算机体系对岭南花椒根中一种芳香油状物化学成分进行分离和鉴定,共检测出其中的10个含氧化合物,分别为己醛、庚醛、2-戊基呋喃、(E)-2一庚烯醛、(E)-2一辛烯醛、(E)-2-壬烯醛、邻氨基苯甲酸甲酯、甲基邻氨基苯甲酸甲酯、邻氨基苯甲酸丙酯和2,3-二甲基庚酸甲酯。

This paper reports the synthesis of 3,7-dimethyl-6,7-epoxy-8-thiophenyl-2-octenal.It is an important synthetic intermediate of sarcophine with its C_1-C_■fragment

本文报道肉芝软珊瑚素的重要中间体3,7-二甲基-6,7-环氧-8-苯硫基-2-辛烯醛的合成。该中间体含有肉芝软珊瑚素分子中的C_1-C_8片段。

The synthesis of sarcophine(1), i. e. rel-(1R, 6R, 7S)-(2E, 10E, 14Z)-6,7- epoxy-3, 7, 11, 15-tetramethyl-17-oxabicyclo [12. 3. 0] heptadeca-2,10, 14-triene- 16-one was reported. The combination of 3, 7-dimethyl-6, 7-epoxy-8-thiophenyl- 2-octenal with 6-methyl-8-trimethylsiloxy-oct-6-ene-2-one-1-acid acetate, via aldol condensation, lactonization, Wittig reaction and ring closure reaction, gave 1 with an overall yield of 10.6%. The key step in the synthesis is the sulfur- stabilized carbanion alkylation....

The synthesis of sarcophine(1), i. e. rel-(1R, 6R, 7S)-(2E, 10E, 14Z)-6,7- epoxy-3, 7, 11, 15-tetramethyl-17-oxabicyclo [12. 3. 0] heptadeca-2,10, 14-triene- 16-one was reported. The combination of 3, 7-dimethyl-6, 7-epoxy-8-thiophenyl- 2-octenal with 6-methyl-8-trimethylsiloxy-oct-6-ene-2-one-1-acid acetate, via aldol condensation, lactonization, Wittig reaction and ring closure reaction, gave 1 with an overall yield of 10.6%. The key step in the synthesis is the sulfur- stabilized carbanion alkylation. The stereochemistry of the synthesized. product 1 was discussed.

由3,7-二甲基-6,7-环氧-8-苯硫基-2-辛烯醛和6-甲基-8-三甲硅氧基-6-烯-2-酮-1-辛酸乙酯通过羟醛缩合、内酯化、Wittig反应、闭环等反应合成得肉芝软珊瑚素,总产率10.6%。其中的关键步骤是以硫稳定的碳负离子烷基化。讨论了合成品的立体化学。

 
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