2,2-Dimethyl-1-trimethylsilyloxycyclopentane-1-carbonitrile | 586398-08-5

• 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: 2,2-Dimethyl-1-trimethylsilyloxycyclopentane-1-carbonitrile
• 英文别名: 2,2-dimethyl-1-trimethylsilyloxycyclopentane-1-carbonitrile
• CAS: 586398-08-5
• 化学式: C₁₁H₂₁NOSi
• 分子量: 211.379
• InChiKey: SCGNRTHKPLSTIU-UHFFFAOYSA-N

物化性质

• 沸点：
  245.7±23.0 °C(Predicted)
• 密度：
  0.92±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.31
• 重原子数：
  14
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.91
• 拓扑面积：
  33
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  2,2-Dimethyl-1-trimethylsilyloxycyclopentane-1-carbonitrile 在 吡啶 、 氢氧化钾 、 sodium tetrahydroborate 、 lithium aluminium tetrahydride 、 氯化亚砜 、 三乙胺 、 三氯氧磷 作用下， 以 甲醇 、 乙醚 、 乙腈 、 二乙二醇 、 苯 为溶剂， 反应 114.5h， 生成 6,6-dimethyl-2-(phenylmethyl)-2-azaspiro<4.4>nonane
  参考文献：
  名称：

  Photocyclization of Enamides. 38. Reductive Photocyclization of a-(Methylthio)- and a-(Arylthio)enamides

  摘要：

  Reductive photocyclization of alpha-(methylthio)enamide (2) gave exclusively six-membered lactams (3) and (4) while the same reaction of alpha-(arylthio)enamides (6) and (12) was found to afford-five-membered lactams (7) and (13) as major products. A novel total synthesis of (+/-)-polyzonimine (18b) was accomplished by applying the newly found reductive photocyclization of alpha-(naphthylthio)enamide leading to the formation of five-membered lactams.

  DOI：

  10.3987/com-93-6465
• 作为产物：
  描述：

  三甲基氰硅烷 、 2,2-二甲基环戊酮 在 zinc(II) iodide 作用下， 以 苯 为溶剂， 反应 7.5h， 以95%的产率得到2,2-Dimethyl-1-trimethylsilyloxycyclopentane-1-carbonitrile
  参考文献：
  名称：

  Photocyclization of Enamides. 38. Reductive Photocyclization of a-(Methylthio)- and a-(Arylthio)enamides

  摘要：

  Reductive photocyclization of alpha-(methylthio)enamide (2) gave exclusively six-membered lactams (3) and (4) while the same reaction of alpha-(arylthio)enamides (6) and (12) was found to afford-five-membered lactams (7) and (13) as major products. A novel total synthesis of (+/-)-polyzonimine (18b) was accomplished by applying the newly found reductive photocyclization of alpha-(naphthylthio)enamide leading to the formation of five-membered lactams.

  DOI：

  10.3987/com-93-6465

文献信息

• Catalytic asymmetric cyanosilylation of ketones, aldehydes, thioketones, thioaldehydes, imines and hydrazones
  申请人：——

  公开号：US20030236226A1

  公开（公告）日：2003-12-25

  One aspect of the present invention relates to a method for the catalytic asymmetric cyanosilylation of ketones, aldehydes, thioketones, thioaldehydes, imines and hydrazones. The critical elements of the method are: a non-racemic chiral tertiary-amine-containing catalyst; a substrate selected from the group consisting of ketones, aldehydes, thioketones, thioaldehydes, imines and hydrazones; and a silyl cyanide, e.g., trimethylsilyl cyanide. In preferred embodiments, the substrate is a ketone or aldehyde. A preferred embodiment of the present invention relates to practicing the method in a halocarbon solvent, e.g., chloroform. Another preferred embodiment of the present invention relates to practicing the method in an ester solvent, e.g., ethyl acetate. In certain embodiments, the methods of the present invention produce a silyl cyanohydrin with an enantiomeric excess greater than about 80%. In certain embodiments, the methods of the present invention produce a silyl cyanohydrin with an enantiomeric excess greater than about 90%.

  本发明的一个方面涉及一种用于催化不对称氰硅化酮、醛、硫代酮、硫代醛、亚胺和肼酮的方法。该方法的关键要素包括：非外消旋手性三级胺含量的催化剂；从酮、醛、硫代酮、硫代醛、亚胺和肼酮组成的底物；以及硅基氰化物，例如三甲基硅基氰化物。在优选实施例中，底物为酮或醛。本发明的一个优选实施例涉及在卤代碳溶剂中（例如氯仿）实施该方法。本发明的另一个优选实施例涉及在酯溶剂中（例如乙酸乙酯）实施该方法。在某些实施例中，本发明的方法产生旋光异构体过量大约高于80%的硅基氰水合物。在某些实施例中，本发明的方法产生旋光异构体过量大约高于90%的硅基氰水合物。
• Photocyclization of Enamides. 38. Reductive Photocyclization of a-(Methylthio)- and a-(Arylthio)enamides
  作者：Takeaki Naito、Hiromi Tanada、Yumiko Suzuki、Haruko Saito、Toshiko Kiguchi、Ichiya Ninomiya

  DOI：10.3987/com-93-6465

  日期：——

  Reductive photocyclization of alpha-(methylthio)enamide (2) gave exclusively six-membered lactams (3) and (4) while the same reaction of alpha-(arylthio)enamides (6) and (12) was found to afford-five-membered lactams (7) and (13) as major products. A novel total synthesis of (+/-)-polyzonimine (18b) was accomplished by applying the newly found reductive photocyclization of alpha-(naphthylthio)enamide leading to the formation of five-membered lactams.