8-methoxy-3,6-dioxaoctyl N-succinimidyl carbonate | 477775-77-2

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡咯烷类
• 英文名称: 8-methoxy-3,6-dioxaoctyl N-succinimidyl carbonate
• 英文别名: 2,5-dioxopyrrolidin-1-yl 2-(2-(2-methoxyethoxy)ethoxy)ethyl carbonate；m-PEG3-succinimidyl carbonate；(2,5-dioxopyrrolidin-1-yl) 2-[2-(2-methoxyethoxy)ethoxy]ethyl carbonate
• CAS: 477775-77-2
• 化学式: C₁₂H₁₉NO₈
• 分子量: 305.285
• InChiKey: JCUAHGNZBWSEIM-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.8
• 重原子数：
  21
• 可旋转键数：
  12
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  101
• 氢给体数：
  0
• 氢受体数：
  8

安全信息

• 危险性防范说明：
  P264,P280,P302+P352,P337+P313,P305+P351+P338,P362+P364,P332+P313
• 危险性描述：
  H315,H319

反应信息

• 作为反应物：
  描述：

  8-methoxy-3,6-dioxaoctyl N-succinimidyl carbonate 在 碳酸氢钠 、 O-(1,2-dihydro-2-oxo-1-pyridyl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 作用下， 以 二氯甲烷 、 水 为溶剂， 反应 38.0h， 生成 {1-[N'-[2-hydroxy-3-(2-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxycarbonylamino}-3,3-dimethyl-butyrylamino)-4-phenyl-butyl]-N'-(4-pyridin-2-yl-benzyl)-hydrazinocarbonyl]-2,2-dimethyl-propyl}-carbamic acid methyl ester
  参考文献：
  名称：

  PROTEASE INHIBITORS HAVING ENHANCED FEATURES

  摘要：

  本文提供了具有增强特性的蛋白酶抑制剂化合物，以及用于给药此类化合物的方法。例如，这些化合物可以在不伴随CYP3A4抑制剂的情况下给药，具有增加的治疗指数和/或增加的效力，并且在性质上不易产生抗药性。

  公开号：

  US20170028077A1
• 作为产物：
  描述：

  三甘醇单甲醚 生成 8-methoxy-3,6-dioxaoctyl N-succinimidyl carbonate
  参考文献：
  名称：

  LISSENCEPHALY THERAPEUTIC AGENT

  摘要：

  公开号：

  EP2647386B1

文献信息

• [EN] ALPHA-KETOAMIDE DERIVATIVE, AND PRODUCTION METHOD AND USE THEREOF<br/>[FR] DERIVE D'ALPHA-CETOAMIDE, SON PROCEDE DE PRODUCTION ET D'UTILISATION
  申请人：SENJU PHARMA CO

  公开号：WO2005056519A1

  公开（公告）日：2005-06-23

  The present invention provides a compound represented by the formula (I): (INSERT CHEMICAL FORMULA) (wherein R1 is a lower alkyl substituted by a lower alkoxy or a heterocyclic group, or a heterocyclic group; R2 is a lower alkyl optionally substituted by a phenyl; and R3 is a lower alkyl optionally substituted by a halogen, a lower alkoxy or a phenyl, or a fused polycyclic hydrocarbon group), which is well absorbed orally, exhibits durability of good blood level and has potent calpain inhibitory activity.

  本发明提供了一种化合物，其化学式表示为（I）：（插入化学式）（其中R1是由低烷基取代的低烷氧基或杂环基，或者是杂环基；R2是可选择地由苯基取代的低烷基；R3是可选择地由卤素、低烷氧基或苯基取代的低烷基，或者是融合的多环碳氢基），该化合物在口服后被很好地吸收，表现出良好的血液水平持久性，并具有强大的钙蛋白酶抑制活性。
• Bna Conjugates and Methods of Use
  申请人：James Kenneth D.

  公开号：US20080207505A1

  公开（公告）日：2008-08-28

  Modified natriuretic compounds and conjugates thereof are disclosed in the present invention. In particular, conjugated forms of hBNP are provided that include at least one modifying moiety attached thereto. The modified natriuretic compound conjugates retain activity for stimulating cGMP production, binding to NPR-A receptor, decreasing arterial blood pressure and in some embodiments an improved half-life in circulation as compared to unmodified counterpart natriuretic compounds. Oral, parenteral, enteral, subcutaneous, pulmonary, and intravenous forms of the compounds and conjugates may be prepared as treatments and/or therapies for heart conditions particularly congestive heart failure. Modifying moieties comprising oligomeric structures having a variety of lengths and configurations are also disclosed. Analogs of the hBNP compound are also disclosed, having an amino acid sequence that is other than the native sequence.

  本发明公开了改性利钠肽化合物及其共轭物。具体而言，提供了至少连接有一个修饰基团的hBNP的共轭形式。这些改性利钠肽化合物共轭物保留了刺激cGMP产生、结合NPR-A受体、降低动脉血压以及在某些实施例中相对于未经改性的对应利钠肽化合物具有改善的循环半衰期的活性。这些化合物和共轭物的口服、静脉注射、肠内、皮下、肺部和静脉形式可作为治疗和/或治疗心脏病症，特别是充血性心力衰竭的治疗。还公开了包含具有各种长度和构型的寡聚结构的修饰基团。此外，还公开了hBNP化合物的类似物，其氨基酸序列与天然序列不同。
• Insulin polypeptide-oligomer conjugates, proinsulin polypeptide-oligomer conjugates and methods of synthesizing same
  申请人：——

  公开号：US20030229009A1

  公开（公告）日：2003-12-11

  Methods for synthesizing proinsulin polypeptides are described that include contacting a proinsulin polypeptide including an insulin polypeptide coupled to one or more peptides by peptide bond(s) capable of being cleaved to yield the insulin polypeptide with an oligomer under conditions sufficient to couple the oligomer to the insulin polypeptide portion of the proinsulin polypeptide and provide a proinsulin polypeptide-oligomer conjugate, and cleaving the one or more peptides from the proinsulin polypeptide-oligomer conjugate to provide the insulin polypeptide-oligomer conjugate. Methods of synthesizing proinsulin polypeptide-oligomer conjugates are also provided as are proinsulin polypeptide-oligomer conjugates. Methods of synthesizing C-peptide polypeptide-oligomer conjugates and other pro-polypeptide-oligomer conjugates are also provided.

  描述了合成前胰岛素多肽的方法，包括将包括胰岛素多肽和一个或多个肽段的前胰岛素多肽与一个寡聚体接触，这些肽段通过肽键结合，可以被切割以产生胰岛素多肽，条件足以将寡聚体与前胰岛素多肽的胰岛素多肽部分结合并提供前胰岛素多肽-寡聚体共轭物，并从前胰岛素多肽-寡聚体共轭物中切割一个或多个肽段，以提供胰岛素多肽-寡聚体共轭物。还提供了合成前胰岛素多肽-寡聚体共轭物的方法，以及前胰岛素多肽-寡聚体共轭物。还提供了合成C肽多肽-寡聚体共轭物和其他前多肽-寡聚体共轭物的方法。
• COMPOSITION FOR TREATMENT AND/OR PREVENTION OF PERIPHERAL NERVE DISORDER
  申请人：OSAKA CITY UNIVERSITY

  公开号：US20190314320A1

  公开（公告）日：2019-10-17

  The present invention provides a means for treating and/or preventing peripheral nerve disorder by facilitating regeneration of peripheral nerves. Specifically, the present invention provides a composition for treating and/or preventing peripheral nerve disorder comprising a compound represented by the general formula (I): wherein R 1 is lower alkyl substituted with lower alkoxy, lower alkyl substituted with a heterocyclic group, a heterocyclic group, or a group represented by the formula (IIa): R 4 O—R 5  m (IIa) wherein R 4 is lower alkyl, R 5 is lower alkylene, and m is an integer of 1 to 6; R 2 is lower alkyl optionally substituted with phenyl; and R 3 is lower alkyl optionally substituted with halogen, lower alkoxy, or phenyl; condensed polycyclic hydrocarbon; or hydrogen.

  本发明提供了一种治疗和/或预防外周神经障碍的方法，通过促进外周神经再生。具体地，本发明提供了一种用于治疗和/或预防外周神经障碍的组合物，包括由通式（I）表示的化合物： 其中R1为与低烷氧基取代的低烷基，与杂环基取代的低烷基，杂环基，或由式（IIa）表示的基团： R4O—R5m（IIa） 其中R4为低烷基，R5为低烷基烯，m为1至6的整数； R2为可选择地取代苯基的低烷基；和 R3为可选择地取代卤素，低烷氧基，或苯基的低烷基；缩合多环碳氢化合物；或氢。
• Mixtures of drug-oligomer conjugates comprising polyalkylene glycol, uses thereof, and methods of making same
  申请人：——

  公开号：US20030228275A1

  公开（公告）日：2003-12-11

  A non-polydispersed mixture of conjugates in which each conjugate in the mixture comprises a drug coupled to an oligomer that includes a polyalkylene glycol moiety is disclosed. The mixture may exhibit higher in vivo activity than a polydispersed mixture of similar conjugates. The mixture may be more effective at surviving an in vitro model of intestinal digestion than polydispersed mixtures of similar conjugates. The mixture may result in less inter-subject variability than polydispersed mixtures of similar conjugates.

  披露了一种非多分散混合物，其中混合物中的每个共轭物包括与包含聚乙二醇基团的寡聚物偶联的药物。该混合物可能表现出比类似共轭物的多分散混合物更高的体内活性。该混合物可能比类似共轭物的多分散混合物更有效地在体外模拟肠道消化模型中存活。该混合物可能导致比类似共轭物的多分散混合物更少的受试者间变异性。