3-oxo-3a,4,6,7-tetrahydro-3H-2-oxa-5-thia-1-aza-7a-azonioindenide | 623564-58-9

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 杂芳族化合物
• 英文名称: 3-oxo-3a,4,6,7-tetrahydro-3H-2-oxa-5-thia-1-aza-7a-azonioindenide
• 英文别名: 6,7-dihydro-4H-oxadiazolo[4,3-c][1,4]thiazin-8-ium-3-olate
• CAS: 623564-58-9
• 化学式: C₅H₆N₂O₂S
• 分子量: 158.181
• InChiKey: YDEIFYJYWFWTHI-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.4
• 重原子数：
  10
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.6
• 拓扑面积：
  78.3
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  3-oxo-3a,4,6,7-tetrahydro-3H-2-oxa-5-thia-1-aza-7a-azonioindenide 、 丙炔酸乙酯 以 邻二甲苯 为溶剂， 反应 15.0h， 以68%的产率得到6,7-二氢-4H-吡唑并[5,1-c][1,4]噻嗪-2-羧酸乙酯
  参考文献：
  名称：

  Bicyclic 6-alkylidene-penems as class-D beta-lactamases inhibitors

  摘要：

  这项发明涉及某些具有双环6-烷基亚烯基青霉素结构的化合物，其作为D类酶的抑制剂。β-内酰胺酶水解β-内酰胺类抗生素，因此是细菌耐药的主要原因。本发明的化合物与β-内酰胺类抗生素结合后，将提供一种有效的治疗方法，用于治疗威胁生命的细菌感染。根据本发明，提供了一般式I的化合物，或其药学上可接受的盐或体内可水解的酯R5：其中：A和B中的一个表示氢，另一个表示可选择取代的融合双环杂环芳基团；X＝O或S。

  公开号：

  US20060276445A1
• 作为产物：
  描述：

  (3R)-硫代吗啉甲酸 在 盐酸 、 三氟乙酸酐 、 sodium nitrite 作用下， 以 四氢呋喃 为溶剂， 反应 20.5h， 生成 3-oxo-3a,4,6,7-tetrahydro-3H-2-oxa-5-thia-1-aza-7a-azonioindenide
  参考文献：
  名称：

  Structure-Activity Relationship of 6-Methylidene Penems Bearing 6,5 Bicyclic Heterocycles as Broad-Spectrum β-Lactamase Inhibitors:  Evidence for 1,4-Thiazepine Intermediates with C7 R Stereochemistry by Computational Methods

  摘要：

  The design and synthesis of a series of 6-methylidene penems containing [6,5]-fused bicycles (thiophene, imidazole, or pyrazle-fused system) as novel class A, B, and C beta-lactamase inhibitors is described. These penems proved to be potent inhibitors of the TEM-1 (class A) and AmpC (class C) beta-lactamases and less so against the class B metallo-beta-lactamase CcrA. Their in vitro and in vivo activities in combination with piperacillin are discussed. On the basis of the crystallographic structures of a serine-bound reaction intermediate of 2 with SHV-1 (class A) and GC1 (class C) enzymes, compounds 14a-1 were designed and synthesized. Penems are proposed to form a seven-membered 1,4 thiazepine ring in both class A and C beta-lactamases. The interaction energy calculation for the enzyme-bound intermediates favor the formation of the C7 R enantiomer over the S enantiomer of the 1,4-thiazepine in both beta-lactamases, which is consistent with those obtained from the crystal structure of 2 with SHV-1 and GC1.

  DOI：

  10.1021/jm060021p

文献信息

• Bicyclic 6-alkylidene-penems as class-D beta-lactamases inhibitors
  申请人：Mansour Suhayl Tarek

  公开号：US20060276445A1

  公开（公告）日：2006-12-07

  This invention relates to certain bicyclic 6-alkylidene penems which act as a inhibitor of class-D enzymes. β-Lactamases hydrolyze β-lactam antibiotics, and as such serve as the primary cause of bacterial resistance. The compounds of the present invention when combined with β-lactam antibiotics will provide an effective treatment against life threatening bacterial infections. In accordance with the present invention there are provided compounds of general formula I or a pharmaceutically acceptable salt or in vivo hydrolyzable ester R 5 thereof: wherein: One of A and B denotes hydrogen and the other an optionally substituted fused bicyclic heteroaryl group; and X═O or S.

  这项发明涉及某些具有双环6-烷基亚烯基青霉素结构的化合物，其作为D类酶的抑制剂。β-内酰胺酶水解β-内酰胺类抗生素，因此是细菌耐药的主要原因。本发明的化合物与β-内酰胺类抗生素结合后，将提供一种有效的治疗方法，用于治疗威胁生命的细菌感染。根据本发明，提供了一般式I的化合物，或其药学上可接受的盐或体内可水解的酯R5：其中：A和B中的一个表示氢，另一个表示可选择取代的融合双环杂环芳基团；X＝O或S。
• [EN] BICYCLIC 6-ALKYLIDENE-PENEMS AS ß-LACTAMASES INHIBITORS<br/>[FR] PENEMES 6-ALKYLIDENE BICYCLIQUES UTILISES EN TANT QU'INHIBITEURS DE ss-LACTAMASES
  申请人：WYETH CORP

  公开号：WO2003093279A1

  公开（公告）日：2003-11-13

  The present invention provides a compound of Formula (I), pharmaceutical compositions and the use thereof for the treatment of bacterial infection or disease in a patient in need thereof.

  本发明提供了一种化合物（I）的配方、药物组合物以及其用于治疗患有细菌感染或疾病的患者的用途。
• Structure-Activity Relationship of 6-Methylidene Penems Bearing 6,5 Bicyclic Heterocycles as Broad-Spectrum β-Lactamase Inhibitors:  Evidence for 1,4-Thiazepine Intermediates with C7 R Stereochemistry by Computational Methods
  作者：Aranapakam M. Venkatesan、Atul Agarwal、Takao Abe、Hideki Ushirogochi、Itsuka Yamamura、Mihira Ado、Takasaki Tsuyoshi、Osvaldo Dos Santos、Yansong Gu、Fuk-Wah Sum、Zhong Li、Gerry Francisco、Yang-I Lin、Peter J. Petersen、Youjun Yang、Toshio Kumagai、William J. Weiss、David M. Shlaes、James R. Knox、Tarek S. Mansour

  DOI：10.1021/jm060021p

  日期：2006.7.1

  The design and synthesis of a series of 6-methylidene penems containing [6,5]-fused bicycles (thiophene, imidazole, or pyrazle-fused system) as novel class A, B, and C beta-lactamase inhibitors is described. These penems proved to be potent inhibitors of the TEM-1 (class A) and AmpC (class C) beta-lactamases and less so against the class B metallo-beta-lactamase CcrA. Their in vitro and in vivo activities in combination with piperacillin are discussed. On the basis of the crystallographic structures of a serine-bound reaction intermediate of 2 with SHV-1 (class A) and GC1 (class C) enzymes, compounds 14a-1 were designed and synthesized. Penems are proposed to form a seven-membered 1,4 thiazepine ring in both class A and C beta-lactamases. The interaction energy calculation for the enzyme-bound intermediates favor the formation of the C7 R enantiomer over the S enantiomer of the 1,4-thiazepine in both beta-lactamases, which is consistent with those obtained from the crystal structure of 2 with SHV-1 and GC1.