saxitoxin

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 蛤蚌毒素、膝沟藻毒素及其衍生物
• 英文名称: saxitoxin
• 英文别名: STX；[(3aS,4R,10aS)-2,6-diamino-10,10-dihydroxy-3a,4,8,9-tetrahydro-3H-pyrrolo[1,2-c]purin-4-yl]methyl carbamate
• 化学式: C₁₀H₁₇N₇O₄
• 分子量: 299.289
• InChiKey: RPQXVSUAYFXFJA-HGRQIUPRSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -4.6
• 重原子数：
  21
• 可旋转键数：
  3
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.7
• 拓扑面积：
  185
• 氢给体数：
  6
• 氢受体数：
  6

反应信息

• 作为产物：
  描述：

  saxitoxin dihydrochloride 在 5% Pd-BaSO4 超重氢 作用下， 反应 0.25h， 以6%的产率得到saxitoxin
  参考文献：
  名称：

  US2008/91013

  摘要：

  公开号：

文献信息

• [EN] QUINAZOLINES USEFUL AS MODULATORS OF ION CHANNELS<br/>[FR] QUINAZOLINES UTILISEES COMME MODULATEURS DE CANAUX IONIQUES
  申请人：VERTEX PHARMA

  公开号：WO2004078733A1

  公开（公告）日：2004-09-16

  The present invention relates to quinazoline compounds of formula (I) useful as inhibitors of voltage-gated sodium channels and calcium channels. The invention also provides pharmaceutically acceptable compositions comprising the compounds of the invention and methods of using the compositions in the treatment of various disorders. or a pharmaceutically acceptable derivative thereof, wherein R1, X, R3, x, and ring A are as defined in the present application.

  本发明涉及式（I）的喹唑啉化合物，其作为电压门控钠通道和钙通道的抑制剂。该发明还提供了包括本发明化合物的药学上可接受的组合物，以及使用这些组合物治疗各种疾病的方法。或其药学上可接受的衍生物，其中R1、X、R3、x和环A如本申请中所定义。
• TREPROSTINIL PRODRUGS
  申请人：United Therapeutics Corporation

  公开号：US20210054009A1

  公开（公告）日：2021-02-25

  Provided are novel prodrugs of treprostinil, as well as methods of making and methods of using these prodrugs.

  提供了特瑞普罗斯汀的新型前药，以及制备这些前药的方法和使用这些前药的方法。
• Carbocyclic and heterocyclic substituted semicarbazones and thiosemicarbazones and the use thereof
  申请人：CoCensys, Inc.

  公开号：US20020061886A1

  公开（公告）日：2002-05-23

  This invention is related to carbocyclic and heterocyclic substituted semicarbazones and thiosemicarbazones represented by Formula I: 1 or a pharmaceutically acceptable salt or prodrug thereof, wherein: Y is oxygen or sulfur; R 1 , R 21 , R 22 and R 23 are independently hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, aryl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or carboxyalkyl; or R 22 and R 23 , together with the N, form a heterocycle; A 1 and A 2 are independently aryl, heteroaryl, saturated or partially unsaturated carbocycle or saturated or partially unsaturated heterocycle, any of which is optionally substituted; X is one or O, S, NR 24 , CR 25 R 26 , C(O), NR 24 C(O), C(O)NR 24 , SO, SO 2 or a covalent bond; where R 24 , R 25 and R 26 are independently hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, aryl, aminoalkyl, hydroxyalkyl, alkoxyalkyl or carboxyalkyl. The invention also is directed to the use of carbocycle and heterocycle substituted semicarbazones and thiosemicarbazones for the treatment of neuronal damage following global and focal ischemia, for the treatment or prevention of neurodegenerative conditions such as amyotrophic lateral sclerosis (ALS), for the treatment and prevention of otoneurotoxicity and eye diseases involving glutamate toxicity and for the treatment, prevention or amelioration of pain, as anticonvulsants, and as antimanic depressants, as local anesthetics, as antiarrhythmics and for the treatment or prevention of diabetic neuropathy and urinary incontinence.

  这项发明涉及由式I表示的含有碳环和杂环取代的半卡巴松和硫代半卡巴松： 1 或其药学上可接受的盐或前药，其中： Y为氧或硫；R 1 ，R 21 ，R 22 和R 23 独立地为氢，烷基，环烷基，烯基，炔基，卤代烷基，芳基，氨基烷基，羟基烷基，烷氧基烷基或羧基烷基；或R 22 和R 23 ，与N一起形成一个杂环；A 1 和A 2 独立地为芳基，杂芳基，饱和或部分不饱和的碳环或饱和或部分不饱和的杂环，其中任何一个可选择地被取代；X为O、S、NR 24 、CR 25 R 26 、C(O)、NR 24 C(O)、C(O)NR 24 、SO、SO 2 或共价键；其中R 24 ，R 25 和R 26 独立地为氢，烷基，环烷基，烯基，炔基，卤代烷基，芳基，氨基烷基，羟基烷基，烷氧基烷基或羧基烷基。该发明还涉及利用含有碳环和杂环取代的半卡巴松和硫代半卡巴松治疗全脑和局部缺血后的神经损伤，治疗或预防神经退行性疾病如肌萎缩侧索硬化症（ALS），治疗和预防耳神经毒性和涉及谷氨酸毒性的眼病，以及治疗、预防或改善疼痛，作为抗癫痫药，作为抗躁狂抑郁药，作为局部麻醉药，作为抗心律失常药，以及治疗或预防糖尿病性神经病变和尿失禁。
• ACONITINE COMPOUNDS, COMPOSITIONS, USES, AND PREPARATION THEREOF
  申请人：Bois Justin Du

  公开号：US20120238526A1

  公开（公告）日：2012-09-20

  Compound derivatives of aconitine are provided, in particular derivatives that modulate the activity of sodium channels. Also provided are pharmaceutical compositions comprising compounds of the invention and a pharmaceutically acceptable carrier. The subject compounds are useful in treatments, including treatments to modulate neuronal activity or to bring about muscular relaxation. The compounds also find use in the treatment of subjects suffering from a voltage-gated sodium channel-enhanced ailment or from pain. Further methods are provided for the preparation of the aconitine derivatives.

  提供了一种乌头碱的复合衍生物，特别是调节钠通道活性的衍生物。还提供了包括本发明化合物和药用可接受载体的药物组合物。这些化合物在治疗中很有用，包括调节神经活动或引起肌肉松弛的治疗。这些化合物还可用于治疗患有电压门控钠通道增强性疾病或疼痛的患者。还提供了制备乌头碱衍生物的进一步方法。
• Batrachotoxin Analogues, Compositions, Uses, and Preparation Thereof
  申请人：Du Bois Justin

  公开号：US20140171410A1

  公开（公告）日：2014-06-19

  Compounds relating to batrachotoxin are provided, in particular analogues that modulate the activity of sodium channels. Also provided are pharmaceutical compositions comprising compounds of the invention and a pharmaceutically acceptable carrier, including vehicles that modulate transdermal permeation of the compound. The subject compounds are useful in treatments, including treatments to reduce neuronal activity or to bring about muscular relaxation. The compounds also find use in the treatment of subjects suffering from a voltage-gated sodium channel-enhanced ailment or from pain. Further methods are provided for the preparation of the batrachotoxin-related compounds.

  提供了与蝙蝠毒素相关的化合物，特别是能够调节钠通道活性的类似物。还提供了包含本发明化合物的药物组合物以及药用辅料，包括能够调节化合物经皮渗透的载体。所述化合物可用于治疗，包括用于减少神经活动或引起肌肉松弛的治疗。这些化合物还用于治疗患有电压门控钠通道增强病症或疼痛的患者。还提供了用于制备与蝙蝠毒素相关化合物的方法。