(11-methoxymethoxyundecylidene)cyclopropane | 518333-78-3

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: (11-methoxymethoxyundecylidene)cyclopropane
• 英文别名: 11-(Methoxymethoxy)undecylidenecyclopropane
• CAS: 518333-78-3
• 化学式: C₁₆H₃₀O₂
• 分子量: 254.413
• InChiKey: YCMLKHOMQFRSMZ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.9
• 重原子数：
  18
• 可旋转键数：
  13
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.88
• 拓扑面积：
  18.5
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  (11-methoxymethoxyundecylidene)cyclopropane 在 盐酸 作用下， 以 甲醇 为溶剂， 反应 14.0h， 以99%的产率得到11-cyclopropylideneundecanol
  参考文献：
  名称：

  Enzymatic Desaturation of Fatty Acids:  Δ¹¹ Desaturase Activity on Cyclopropane Acid Probes

  摘要：

  The formation of methylenecyclopropanes by enzymatic desaturation of 11-cyclopropylundecanoic acid (1) and its disubstituted derivatives cis- and trans-3-5 has been investigated using the Delta(11) desaturase of Spodoptera littoralis as model enzyme. Gas chromatography coupled to mass spectrometry analyses of methanolyzed lipidic extracts from tissues incubated with each probe revealed that all the cyclopropyl fatty acids were transformed into the corresponding 11-cyclopropylidene acids, except for compound trans-5 (5b), which was not desaturated at C11. The formation of methylenecyclopropane 9 as the only reaction product from 1 indicates that a potential radical intermediate is too short-lived to allow rearrangement reactions. Information on the Delta(11) desaturase substrate binding domain is provided considering the cyclopropyl probes 3-5 as conformationally restricted analogues of the straight-chain substrates.

  DOI：

  10.1021/jo0267100
• 作为产物：
  描述：

  11-溴-1-十一醇 在 吡啶-N-氧化物 、 正丁基锂 、 碳酸氢钠 、 对甲苯磺酸 、 lithium bromide 作用下， 以 四氢呋喃 、 甲苯 为溶剂， 反应 23.5h， 生成 (11-methoxymethoxyundecylidene)cyclopropane
  参考文献：
  名称：

  Enzymatic Desaturation of Fatty Acids:  Δ¹¹ Desaturase Activity on Cyclopropane Acid Probes

  摘要：

  The formation of methylenecyclopropanes by enzymatic desaturation of 11-cyclopropylundecanoic acid (1) and its disubstituted derivatives cis- and trans-3-5 has been investigated using the Delta(11) desaturase of Spodoptera littoralis as model enzyme. Gas chromatography coupled to mass spectrometry analyses of methanolyzed lipidic extracts from tissues incubated with each probe revealed that all the cyclopropyl fatty acids were transformed into the corresponding 11-cyclopropylidene acids, except for compound trans-5 (5b), which was not desaturated at C11. The formation of methylenecyclopropane 9 as the only reaction product from 1 indicates that a potential radical intermediate is too short-lived to allow rearrangement reactions. Information on the Delta(11) desaturase substrate binding domain is provided considering the cyclopropyl probes 3-5 as conformationally restricted analogues of the straight-chain substrates.

  DOI：

  10.1021/jo0267100

文献信息

• Enzymatic Desaturation of Fatty Acids:  Δ¹¹ Desaturase Activity on Cyclopropane Acid Probes
  作者：Gemma Villorbina、Lidia Roura、Francisco Camps、Jesús Joglar、Gemma Fabriàs

  DOI：10.1021/jo0267100

  日期：2003.4.1

  The formation of methylenecyclopropanes by enzymatic desaturation of 11-cyclopropylundecanoic acid (1) and its disubstituted derivatives cis- and trans-3-5 has been investigated using the Delta(11) desaturase of Spodoptera littoralis as model enzyme. Gas chromatography coupled to mass spectrometry analyses of methanolyzed lipidic extracts from tissues incubated with each probe revealed that all the cyclopropyl fatty acids were transformed into the corresponding 11-cyclopropylidene acids, except for compound trans-5 (5b), which was not desaturated at C11. The formation of methylenecyclopropane 9 as the only reaction product from 1 indicates that a potential radical intermediate is too short-lived to allow rearrangement reactions. Information on the Delta(11) desaturase substrate binding domain is provided considering the cyclopropyl probes 3-5 as conformationally restricted analogues of the straight-chain substrates.