N-acetyl-L-cysteine

• 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: N-acetyl-L-cysteine
• 英文别名: N-acetylcysteine；N-acetyl L-cysteine；N-[(2R)-3-oxo-1-sulfanylbutan-2-yl]acetamide
• 化学式: C₆H₁₁NO₂S
• 分子量: 161.225
• InChiKey: GSVDZENISSRBGR-LURJTMIESA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.4
• 重原子数：
  10
• 可旋转键数：
  3
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  47.2
• 氢给体数：
  2
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  N-acetyl-L-cysteine 、 氯(三乙基膦)金(I) 在 potassium carbonate 作用下， 以 乙醇 、 水 为溶剂， 反应 1.0h， 以45%的产率得到
  参考文献：
  名称：

  [EN] GOLD (I)-PHOSPHINE COMPOUNDS AS ANTI-BACTERIAL AGENTS
  [FR] COMPOSÉS À BASE D'OR (I)-PHOSPHINE EN TANT QU'AGENTS ANTI-BACTÉRIENS

  摘要：

  公式（I）的化合物用于预防或治疗细菌感染，其中RP1为甲基、乙基、异丙基、环己基或苯基之一；RP2从甲基、乙基、异丙基、环己基和苯基中选择；RP3为乙基、异丙基、环己基、苯基或吡啶基之一；A为S或Se；RA从Y1、Y2、Y3、Y4和Y9中选择，其中Y1、Y2、Y3、Y4和Y9中至少有三个是CH；V从O、CH-ORO1、N-CO2-RC2或N-RN2中选择；Y5、Y6、Y7和Y8中的一个从CH和N中选择，其余为CH；X从NH、S或O中选择；RC1从O-RO2或NHRN1中选择；RO1从H和C1-3直链烷基中选择；RO2为C1-3直链烷基；RN1从H和C1-3直链烷基中选择；RN2为C1-3直链烷基；RC2为C1-3直链烷基或C3-4支链烷基之一；RC3从C1-3直链烷基和C2H4CO2H中选择；RC4为H或Me；RC5为H或Me；RC6代表一个或两个可选的甲基取代基；n为2到8之间的整数。

  公开号：

  WO2015181550A1

文献信息

• COMPOSITIONS AND METHODS FOR THE TREATMENT OF RESPIRATORY DISORDERS
  申请人：Kandula Mahesh

  公开号：US20150133407A1

  公开（公告）日：2015-05-14

  The invention relates to the compounds of formula I or its pharmaceutical acceptable salts, as well as polymorphs, solvates, enantiomers, stereoisomers and hydrates thereof. The pharmaceutical compositions comprising an effective amount of compounds of formula I, and methods for the treatment of respiratory disorders may be formulated for oral, buccal, rectal, topical, transdermal, transmucosal, intravenous, parenteral administration, syrup, or injection. Such compositions may be used to treatment of viscid or excessive mucus, cough, inflammation, redness in sore throat, infection in the throat, sore throat, abnormal mucus secretion, impaired mucus transport, allergic rhinitis, asthma, COPD, respiratory muscular disorders and pain in acute sore throat.

  本发明涉及公式I的化合物或其药用可接受的盐，以及它们的聚合物、溶剂化物、对映体、立体异构体和水合物。包含有效量的公式I化合物的药物组合物，以及用于治疗呼吸系统疾病的方法，可以口服、颊部、直肠、局部、经皮、经粘膜、静脉、非肠道给药、糖浆或注射剂的形式制备。此类组合物可用于治疗粘性或过量粘液、咳嗽、喉咙痛的红肿、喉咙感染、喉咙痛、异常粘液分泌、粘液运输受损、过敏性鼻炎、哮喘、慢性阻塞性肺病（COPD）、呼吸肌疾病和急性喉咙痛的疼痛。
• COMPOSITIONS AND METHODS FOR THE TREATMENT OF COUGH
  申请人：Kandula Mahesh

  公开号：US20150133533A1

  公开（公告）日：2015-05-14

  The invention relates to the compounds of formula I or its pharmaceutical acceptable salts, as well as polymorphs, solvates, enantiomers, stereoisomers and hydrates thereof. The pharmaceutical compositions comprising an effective amount of compounds of formula I, and methods for treating or preventing cough may be formulated for oral, buccal, rectal, topical, transdermal, transmucosal, intravenous, parenteral administration, syrup, or injection. Such compositions may be used to treatment of acute respiratory tract infections, asthma, gout, fibromyalgia, facilitating conception, promotes secondary mucosal secretions in the respiratory system, muscle relaxant, allergy, asthma, chronic obstructive pulmonary disorders, spasms, respiratory and neurological diseases.

  该发明涉及公式I的化合物或其药用可接受的盐，以及其多晶型、溶剂合物、对映体、立体异构体和水合物。包括有效量的公式I化合物的药物组合物，以及用于治疗或预防咳嗽的方法可以制备为口服、颊内、直肠、局部、经皮、经粘膜、静脉、肠道给药、糖浆或注射。这种组合物可用于治疗急性呼吸道感染、哮喘、痛风、纤维肌痛、促进受孕、促进呼吸系统中的次级粘膜分泌、肌肉松弛剂、过敏、哮喘、慢性阻塞性肺疾病、痉挛、呼吸和神经系统疾病。
• COMPOSITIONS AND METHODS FOR THE TREATMENT OF NEUROLOGICAL DISORDERS
  申请人：Kandula Mahesh

  公开号：US20160122332A1

  公开（公告）日：2016-05-05

  The invention relates to the compounds of formula I and formula IA or its pharmaceutical acceptable salts, as well as polymorphs, solvates, enantiomers, stereoisomers and hydrates thereof. The pharmaceutical compositions comprising an effective amount of compounds of formula I and formula IA; and methods for treating or preventing neurological diseases may be formulated for oral, buccal, rectal, topical, transdermal, transmucosal, intravenous, parenteral administration, syrup, or injection. Such compositions may be used to treatment of epilepsy, bipolar disorder, trigeminal neuralgia, attention-deficit hyperactivity disorder (ADHD), schizophrenia, neuropathic pain, seizures, bipolar disorder, mania, phantom limb syndrome, complex regional pain syndrome, paroxysmal extreme pain disorder, neuromyotonia, intermittent explosive disorder, borderline personality disorder, Myotonia congenita and post-traumatic stress disorder.

  该发明涉及公式I和公式IA的化合物或其药用可接受盐，以及其多晶型、溶剂合物、对映体、立体异构体和水合物。包括有效量的公式I和公式IA化合物的药物组合物；以及用于口服、颊内、直肠、局部、经皮、经粘膜、静脉内、肠外给药、糖浆或注射的治疗或预防神经系统疾病的方法。这些组合物可用于治疗癫痫、躁郁症、三叉神经痛、注意缺陷多动障碍（ADHD）、精神分裂症、神经痛、癫痫发作、躁郁症、狂躁症、幻肢综合征、复杂性区域性疼痛综合征、阵发性极端疼痛综合征、神经肌痉挛、间歇性爆发障碍、边缘人格障碍、先天性肌张力过高症和创伤后应激障碍。
• COMPOSITIONS AND METHODS FOR THE TREATMENT OF PERIODONTITIS AND RHEUMATOID ARTHRITIS
  申请人：Kandula Mahesh

  公开号：US20150133475A1

  公开（公告）日：2015-05-14

  The invention relates to the compounds of formula I or its pharmaceutical acceptable salts, as well as polymorphs, solvates, enantiomers, stereoisomers and hydrates thereof. The pharmaceutical compositions comprising an effective amount of compounds of formula I, and methods for the treatment of periodontitis and rheumatoid arthritis may be formulated for oral, buccal, rectal, topical, transdermal, transmucosal, intravenous, parenteral administration, syrup, or injection.

  该发明涉及公式I的化合物或其药用可接受的盐，以及其多晶型、溶剂合物、对映体、立体异构体和水合物。包括公式I化合物的有效量的药物组合物，以及用于牙周炎和类风湿关节炎治疗的方法可以制成口服、颊内、直肠、局部、经皮、经粘膜、静脉、肠道、糖浆或注射剂的制剂。
• COMPOSITIONS AND METHODS FOR THE TREATMENT OF INFLAMMATORY BOWEL DISEASE
  申请人：Cellix Bio Private Limited

  公开号：US20160120839A1

  公开（公告）日：2016-05-05

  The invention relates to the compounds of formula I and formula II or its pharmaceutical acceptable salts, as well as polymorphs, solvates, enantiomers, stereoisomers and hydrates thereof. The pharmaceutical compositions comprising an effective amount of compounds of formula I or formula II; and methods for treating or preventing inflammatory bowel disease may be formulated for oral, buccal, rectal, topical, transdermal, transmucosal, intravenous, parenteral administration, syrup, or injection. Such compositions may be used to treatment of gastrointestinal diseases and inflammation such as inflammatory bowel disease, ulcerative colitis, mild-to-moderate Crohn's disease, rheumatoid arthritis, inflammatory arthritis, psoriatic arthritis, liver cirrhosis and idiopathic urticaria.

  该发明涉及公式I和公式II的化合物或其药用可接受盐，以及其多晶形、溶剂合物、对映体、立体异构体和水合物。含有公式I或公式II化合物的有效量的药物组合物；以及治疗或预防炎症性肠病的方法可制备为口服、颊内、直肠、局部、经皮、经粘膜、静脉、肠内、糖浆或注射。这些组合物可用于治疗胃肠疾病和炎症，如炎症性肠病、溃疡性结肠炎、轻度至中度克罗恩病、类风湿关节炎、炎症性关节炎、银屑病性关节炎、肝硬化和特发性荨麻疹。