1-bromo-8-[(tert-butyldimethylsilyl)oxy]octane | 96045-13-5

• 分子结构分类: 有机化合物 - 有机金属化合物 - 有机类金属化合物
• 英文名称: 1-bromo-8-[(tert-butyldimethylsilyl)oxy]octane
• 英文别名: ((8-bromooctyl)oxy)(tert-butyl)dimethylsilane；8-bromo-1-(1,1,2,2-tetramethyl-1-silapropoxy)octane；[(8-bromooctyl)-oxy]-dimethyl-(1,1-dimethylethyl)-silane；Silane, [(8-bromooctyl)oxy](1,1-dimethylethyl)dimethyl-；8-bromooctoxy-tert-butyl-dimethylsilane
• CAS: 96045-13-5
• 化学式: C₁₄H₃₁BrOSi
• 分子量: 323.389
• InChiKey: VLSOGEVAESAEEB-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.74
• 重原子数：
  17
• 可旋转键数：
  10
• 环数：
  0.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  9.2
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  1-bromo-8-[(tert-butyldimethylsilyl)oxy]octane 在 lithium hydroxide 、 sodium tetrahydroborate 、 重铬酸吡啶 、 正丁基锂 、 乙醇 、 四溴化碳 、 四丁基氟化铵 、 nickel diacetate 、 4-甲基苯磺酸吡啶 、 N,N'-二环己基碳二亚胺 、 三苯基膦 作用下， 以 四氢呋喃 、 乙醚 、 乙醇 、 正己烷 、 二氯甲烷 、 二甲基亚砜 、 N,N-二甲基甲酰胺 为溶剂， 反应 129.59h， 生成 (Z)-18-bromo-N-[(2S)-1-hydroxy-3-(4-hydroxyphenyl)propan-2-yl]octadec-9-enamide
  参考文献：
  名称：

  Development of the First Potential Covalent Inhibitors of Anandamide Cellular Uptake

  摘要：

  On the basis of the chemical structures of two previously developed metabolically stable and relatively potent inhibitors of anandamide uptake, OMDM-1,2, two series of potential covalent inhibitors of anandamide cellular reuptake, which might be used for the molecular characterization of the protein(s) involved in the membrane transport of endocannabinoids, have been designed and synthesized. Most of the compounds inhibited uptake to a varied extent and in a generally enantio-sensitive manner when co-incubated with [C-14]anandamide, but only three of them, the photoactivatable 1a (OMDM-37), 1b (OMDM-39), and 8 (Lo395), also produced a significant inhibition of uptake following the preincubation only of the cells, and this effect was significantly enhanced following UV exposure only in the case of 8. None of the new compounds inhibited [C-14]anandamide hydrolysis with IC50 < 50 mu M, except for 1b.

  DOI：

  10.1021/jm051226l
• 作为产物：
  描述：

  8-溴辛酸 在 dimethyl sulfide borane 作用下， 生成 1-bromo-8-[(tert-butyldimethylsilyl)oxy]octane
  参考文献：
  名称：

  合成中的单线态氧。恶唑为羰基1,1-偶极子合成子。

  摘要：

  如7-庚醇化物，α-苄氧基δ-戊内酯和9-壬醇化物的合成所示，已将2，5-二苯基恶唑按两步顺序用作羰基1，1-偶极合成子。4-锂硫基-2，5-二苯基恶唑的烷基化，然后单线态氧氧化，产生三酰胺，该三酰胺经历环化成内酯。

  DOI：

  10.1016/s0040-4039(00)60874-2

文献信息

• The conjugate addition–Peterson olefination reaction for the preparation of cross-conjugated cyclopentenone, PPAR-γ ligands
  作者：Mazhar Iqbal、Patricia Duffy、Paul Evans、George Cloughley、Bernard Allan、Agustí Lledó、Xavier Verdaguer、Antoni Riera

  DOI：10.1039/b814619e

  日期：——

  5-Alkylidenecyclopent-2-enones 15a–q may be prepared via a conjugate addition–Peterson olefination sequence, best achieved in one-pot, using exo-2-trimethylsilyl-3a,4,7,7a-tetrahydro-4,7-methanoinden-1-one 12, followed by a retro-Diels–Alder reaction. The geometry of the exocyclic alkene may be controlled according to the use of organometallic species in the conjugate addition step; organocuprate reagents are found to selectively lead to the formation of E-exocyclic alkene adducts, whereas Grignard reagents favour the formation of Z-alkenyl isomers. The use of enantiomerically enriched 12, accessed from an asymmetric Pauson–Khand reaction, affords the corresponding enantioenriched 5-alkylidenecyclopent-2-enones and this approach is exemplified by the short, stereoselective total syntheses of two cyclopentenone phytoprostanes 51 and 13,14-dehydrophytoprostane J165. The ability of this family of synthetic compounds to activate the peroxisome proliferator activated receptor-γ is reported.

  5-烷叉环戊-2-烯酮15a–q可通过共轭加成-Peterson烯化序列制备，最佳方法为在一锅中使用外型2-三甲基硅基-3a,4,7,7a-四氢-4,7-亚甲基茚-1-酮12，接着进行逆Diels-Alder反应。根据共轭加成步骤中使用的有机金属物种，可以控制外部烯烃的几何形状：有机铜酸盐试剂发现选择性地导致E-外烯烃加合物的形成，而Grignard试剂有利于Z-烯基异构体的形成。使用手性富集的12（通过不对称Pauson-Khand反应获得），得到相应的手性富集的5-烷叉环戊-2-烯酮，这种方法通过两个环戊烯酮植物激素51和13,14-脱氢植物激素J165的简短、立体选择性全合成得到了例证。报道了这一系列合成化合物活化过氧化物酶体增殖物激活受体-γ的能力。
• Synthesis of Macrocyclic Lactones<i>via</i>Ring Transformation of 4-(<i>ω</i>-Hydroxyalkyl)-1,3-oxazol-5(4<i>H</i>)-ones
  作者：Stephan P. Fritschi、Anthony Linden、Heinz Heimgartner

  DOI：10.1002/hlca.201600023

  日期：2016.7

  α‐benzamido‐α‐benzyl lactones 23 of various ring size was achieved either via ‘direct amide cyclization’ by treatment of 2‐benzamido‐2‐benzyl‐ω‐hydroxy‐N,N‐dimethylalkanamides 21 in toluene at 90 – 110° with HCl gas or by ‘ring transformation’ of 4‐benzyl‐4‐(ω‐hydroxyalkyl)‐2‐phenyl‐1,3‐oxazol‐5(4H)‐ones under the same conditions. The precursors were obtained by C‐alkylations of 4‐benzyl‐2‐phenyl‐1,3‐oxazol‐5(4H)‐one

  各种环大小的α-苯甲酰胺基-α-苄基内酯23的合成可通过在90°C的甲苯中处理2-苯甲酰胺基-2-苄基-ω-羟基N，N-二甲基烷酰胺21的“直接酰胺环化”来实现–在相同条件下用HCl气体或通过4-苄基-4-（ω-羟烷基）-2-苯基-1,3-恶唑-5（4 H）-1的“环转化”至110° 。前体是通过4-苄基-2-苯基-1,3-恶唑-5（4 H）-one（15）与THP-或TBDMS保护的ω的C-烷基化获得的羟烷基碘化物 用Me 2 NH处理使THP保护的恶唑酮开环，然后使OH基脱保护，得到二酰胺21；而用TBAF对TBDMS系列的恶唑酮25脱保护，然后用HCl气体处理，得到相应的内酯23。一锅反应。
• Synthesis and glycosidase inhibition of <i>N</i>-substituted derivatives of 1,4-dideoxy-1,4-imino-<scp>d</scp>-mannitol (DIM)
  作者：Lin-Feng Yang、Yuna Shimadate、Atsushi Kato、Yi-Xian Li、Yue-Mei Jia、George W. J. Fleet、Chu-Yi Yu

  DOI：10.1039/c9ob02029b

  日期：——

  N-Substituted derivatives of 1,4-dideoxy-1,4-imino-D-mannitol (DIM), the pyrrolidine core of swainsonine, have been synthesized efficiently and stereoselectively from D-mannose with 2,3:5,6-di-O-isopropylidene DIM (10) as a key intermediate. These N-substituted derivatives include N-alkylated, N-alkenylated, N-hydroxyalkylated and N-aralkylated DIMs with the carbon number of the alkyl chain ranging

  swainsonine的吡咯烷核心1,4-二脱氧-1,4-亚氨基-D-甘露醇（DIM）的N-取代衍生物已由D-甘露糖与2,3：5,6-di高效立体合成- ö异亚丙基DIM（10），为关键中间体。这些Ñ取代衍生物包括Ñ烷基化，Ñ -alkenylated，Ñ -hydroxyalkylated和Ñ -aralkylated的DIM与烷基链从一到九的碳原子数。获得33 N针对各种糖苷酶对取代的DIM衍生物进行了分析，从而可以系统评估其糖苷酶抑制谱。尽管DIM的N-取代降低了其对α-甘露糖苷酶的抑制活性，但是一些衍生物显示出对其他糖苷酶的显着抑制作用。
• Synthesis of Cyclopropane Fatty Acids by C(<i>sp</i>³)−C(<i>sp</i>³) Cross-Coupling Reaction and Formal Synthesis of α-Mycolic Acid
  作者：Takanori Iwasaki、Shohei Terahigashi、Yufei Wang、Arisa Tanaka、Hanqing Zhao、Yukari Fujimoto、Koichi Fukase、Nobuaki Kambe

  DOI：10.1002/adsc.201800901

  日期：2018.10.4

  manipulations that are often employed in conventional synthetic routes. This method could be applicable to the synthesis of trans‐cyclopropane fatty acids and enantioenriched cyclopropane fatty acids. Formal synthesis of α‐mycolic acid was achieved by the C(sp3)−C(sp3) cross‐coupling reaction of cyclopropane‐containing bifunctional building blocks.

  新型的含双功能结构单元的顺式-环丙烷与烷基卤化物和烷基格氏试剂的Ni迭代催化C（sp 3）-C（sp 3）交叉偶联反应可将环丙烷环引入所需位置）的饱和碳骨架，提供了直接合成环丙烷脂肪酸的途径。本方法创建了用于构建饱和碳骨架的直接途径，并且可以避免基于在常规合成途径中经常采用的不饱和官能团操纵的繁琐的多步操作。该方法可适用于反式的合成-环丙烷脂肪酸和对映体富集的环丙烷脂肪酸。含环丙烷的双功能结构单元的C（sp 3）-C（sp 3）交叉偶联反应实现了α-霉菌酸的正式合成。
• Anti-inflammatory furanones
  申请人：Allergan, Inc.

  公开号：US05134128A1

  公开（公告）日：1992-07-28

  New 5-hydroxy-2-furanone compounds having anti-inflammatory, immunosuppressive and anti-proliferative activity and are useful in treating psoriasis and modifying calcium homeostasis.

  新的具有抗炎、免疫抑制和抗增殖活性的5-羟基-2-呋喃酮化合物对治疗牛皮癣和调节钙稳态具有用处。