1,5-dioxa-cyclopentadecane-2,4-dione | 135522-60-0

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: 1,5-dioxa-cyclopentadecane-2,4-dione
• 英文别名: 1,5-Dioxa-cyclopentadecan-2,4-dion；1,5-Dioxacyclopentadecane-2,4-dione
• CAS: 135522-60-0
• 化学式: C₁₃H₂₂O₄
• 分子量: 242.315
• InChiKey: KZKRBWDDBIDNOI-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.5
• 重原子数：
  17
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.85
• 拓扑面积：
  52.6
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  丙二酸二乙酯 在 sodium 作用下， 生成 1,5-dioxa-cyclopentadecane-2,4-dione
  参考文献：
  名称：

  Studies of Polymerization and Ring Formation. XX. Many-Membered Cyclic Esters

  摘要：

  DOI：

  10.1021/ja01339a055

文献信息

• Laser probe with replaceable optic fibers
  申请人：Katalyst Surgical, LLC

  公开号：US10245182B2

  公开（公告）日：2019-04-02

  A laser probe with replaceable optic fibers may include a handle, an optic fiber fixture, and a replaceable optic fiber. The replaceable optic fiber may include an optic fiber having an optic fiber distal end and an optic fiber proximal end. The optic fiber may be disposed in a first transitory connector having a first transitory connector distal end and a first transitory connector proximal end wherein the optic fiber distal end extends a fixed distance from the transitory connector distal end. The optic fiber may be disposed in a second transitory connector having a second transitory connector distal end and a second transitory connector proximal end wherein the optic fiber proximal end extends a fixed distance from the second transitory connector distal end. The first transitory connector may be inserted in the handle and the second transitory connector may be inserted in the optic fiber fixture.

  带可更换光纤的激光探头可包括手柄、光纤夹具和可更换光纤。可更换光纤可包括具有光纤远端和光纤近端的光纤。光纤可安装在第一过渡连接器中，该连接器具有第一过渡连接器远端和第一过渡连接器近端，其中光纤远端从过渡连接器远端延伸出固定距离。光纤可安装在第二过渡连接器中，第二过渡连接器具有第二过渡连接器远端和第二过渡连接器近端，其中光纤近端与第二过渡连接器远端之间有固定距离。第一过渡连接器可插入手柄，第二过渡连接器可插入光纤夹具。
• Illuminated cannula
  申请人：Katalyst Surgical, LLC

  公开号：US10646113B2

  公开（公告）日：2020-05-12

  An illuminated cannula may include an illumination tube, a hub, a cannula base, a valve, an illumination source connector, an optic fiber, and an optic fiber guide. The valve may be disposed in the cannula base. The cannula base may be fixed to the hub. The hub may include a hub aperture. The illumination tube may be disposed in the cannula base. The optic fiber guide may be disposed in the hub. The optic fiber may be disposed in the illumination source connector, the hub, the optic fiber guide, and the cannula base. The optic fiber may be optically coupled to the illumination tube. Illumination light from an illumination source may be configured to transmit through the optic fiber and into the illumination tube.

  照明插管可包括照明管、集线器、插管底座、阀门、照明光源连接器、光纤和光纤导轨。阀门可安装在插管底座中。插管底座可固定在轮毂上。轮毂可包括一个轮毂孔。照明管可安装在插管底座中。光导纤维可设置在轮毂中。光纤可设置在照明光源连接器、轮毂、光纤导轨和插管底座中。光纤可与照明管光学耦合。来自照明光源的照明光可配置为通过光纤传输并进入照明管。
• Curved laser probe with single-use optic fiber
  申请人：Katalyst Surgical, LLC

  公开号：US10709504B2

  公开（公告）日：2020-07-14

  A curved laser probe with single-use optic fiber may include a reusable handle, an optic fiber fixture, and a single-use optic fiber. The single-use optic fiber may include an optic fiber having an optic fiber distal end and an optic fiber proximal end. The optic fiber may be disposed in a first transitory connector having a first transitory connector distal end and a first transitory connector proximal end wherein the optic fiber distal end extends a fixed distance from the transitory connector distal end. The optic fiber may be disposed in a second transitory connector having a second transitory connector distal end and a second transitory connector proximal end wherein the optic fiber proximal end extends a fixed distance from the second transitory connector distal end. The first transitory connector may be inserted in the reusable handle and the second transitory connector may be inserted in the optic fiber fixture.

  带一次性光纤的曲面激光探头可包括一个可重复使用的手柄、一个光纤夹具和一根一次性光纤。一次性光纤可包括具有光纤远端和光纤近端的光纤。光纤可安装在第一过渡连接器中，该连接器具有第一过渡连接器远端和第一过渡连接器近端，其中光纤远端从过渡连接器远端延伸出固定距离。光纤可安装在第二过渡连接器中，第二过渡连接器具有第二过渡连接器远端和第二过渡连接器近端，其中光纤近端与第二过渡连接器远端之间有固定距离。第一过渡连接器可插入可重复使用的手柄中，第二过渡连接器可插入光纤夹具中。
• Microsurgical bipolar forceps
  申请人：Kogent Surgical, LLC

  公开号：US10772676B2

  公开（公告）日：2020-09-15

  A microsurgical bipolar forceps may include an actuation structure, a hypodermic tube, a first electrical conductor, and a second electrical conductor. The actuation structure may include an actuation structure distal end, an actuation structure proximal end, and a plurality of actuation limbs. The hypodermic tube may be disposed in the actuation structure. The first electrical conductor may be disposed in the hypodermic tube and the actuation structure wherein the first electrical conductor is electrically connected to a bipolar cord. The second electrical conductor may be disposed in the hypodermic tube and the actuation structure wherein the second electrical conductor is electrically connected to the bipolar cord. A compression of the actuation structure may be configured to decrease a distance between a first jaw of the first electrical conductor and a second jaw of the second electrical conductor.

  显微外科双极镊子可包括致动结构、皮下注射管、第一电导体和第二电导体。致动结构可包括致动结构远端、致动结构近端和多个致动肢。皮下注射管可放置在致动结构中。第一电导体可设置在皮下注射管和驱动结构中，其中第一电导体与双极线电连接。第二导体可设置在皮下注射管和致动结构中，其中第二导体与双极线电连接。致动结构的压缩可配置为减小第一电导体的第一钳口与第二电导体的第二钳口之间的距离。
• Chemo-enzymatic process
  申请人：Genomatica, Inc.

  公开号：US11008597B2

  公开（公告）日：2021-05-18

  The present disclosure relates to processes that combine microbial production of organic intermediates and subsequent synthetic transformation to provide compounds of industrial value, including compounds used in fragrances.

  本公开涉及将微生物生产有机中间体和后续合成转化结合起来以提供具有工业价值的化合物（包括用于香料的化合物）的工艺。