丁酸,2-(巯基甲基)- | 133775-83-4

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 中文名称: 丁酸,2-(巯基甲基)-
• 英文名称: 2-(S)-(mercaptomethyl)butanoic acid
• 英文别名: 2-(mercaptomethyl)butanoic acid；2-mercaptomethylbutyric acid；MMB；2-(sulfanylmethyl)butanoic acid
• CAS: 133775-83-4
• 化学式: C₅H₁₀O₂S
• mdl: MFCD19228893
• 分子量: 134.199
• InChiKey: GOSBUVMCOAWATC-UHFFFAOYSA-N

物化性质

• 沸点：
  239.9±23.0 °C(Predicted)
• 密度：
  1.117±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  0.9
• 重原子数：
  8
• 可旋转键数：
  3
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.8
• 拓扑面积：
  38.3
• 氢给体数：
  2
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  丁酸,2-(巯基甲基)- 在 三乙胺 、 氯甲酸甲酯 作用下， 以 乙醚 为溶剂， 生成 3-Ethylthietan-2-one
  参考文献：
  名称：

  Downfield chemical shifts at ?-protons and carbons of ?-propiothiolactones

  摘要：

  Both the alpha-protons and carbons of beta-propiothiolactones exhibit atypical downfield chemical shifts. The alpha-protons of beta-propiothioiactones with no heteroatom at the alpha-position appear at 3.53-5.35 ppm, whereas the alpha-carbons appear at 56.9-86.2 ppm. The major cause of the unexpected deshielding effect was rationalized by assuming a through-space interaction between the occupied orbital of the alpha-carbon and the vacant orbital of sulfur, Copyright (C) 2000 John Wiley & Sons, Ltd.

  DOI：

  10.1002/1097-458x(200006)38:6<468::aid-mrc675>3.0.co;2-f
• 作为产物：
  描述：

  2-乙基丙烯酸 在 盐酸 作用下， 以 苯 为溶剂， 反应 16.0h， 生成 丁酸,2-(巯基甲基)-
  参考文献：
  名称：

  Synthesis and evaluation of α,α-disubstituted-3-mercaptopropanoic acids as inhibitors for carboxypeptidase A and implications with respect to enzyme inhibitor design

  摘要：

  2-Ethyl-2-meth% 1-3-mercaptopropanoic acid (6) and 2-benzyl-2-methyl-3-mercaptopropanoic acid (7) were synthesized and evaluated as inhibitors for carboxypeptidase A (CPA), a prototypical zinc protease with the expectation that the binding affinities of these inhibitors would be augmented over those of 2-ethyl-3-methylsuccinic acid (2) and 2-benzyl-3-methylsuccinic acid (3), respectively, in light of the fact that the sulfhydryl group is a better zinc coordinating moiety than the carboxylate group. Contrary to the expectation. however. the inhibitory potency of 6 was not improved and that of 7 was rather attenuated by the replacement. A probable explanation for the unexpected results is offered. (C) 2003 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.bmc.2003.08.017

文献信息

• Deciphering Nature’s Intricate Way of <i>N</i>,<i>S</i>-Dimethylating <scp>l</scp>-Cysteine: Sequential Action of Two Bifunctional Adenylation Domains
  作者：Shogo Mori、Atefeh Garzan、Oleg V. Tsodikov、Sylvie Garneau-Tsodikova

  DOI：10.1021/acs.biochem.7b00980

  日期：2017.11.21

  sequential action of two of such independent enzymes. Herein, to establish the method by which Nature N,S-dimethylates l-Cys, we studied its formation during thiochondrilline A biosynthesis by evaluating TioS(A3aM3SA3bT3) and TioN(AaMNAb). This study not only led to identification of the exact pathway followed in Nature by these two enzymes for N,S-dimethylation of l-Cys, but also revealed that a single interrupted

  氨基酸的二甲基化包括一系列有趣且令人费解的事件，这些事件可以在非核糖体肽生物合成过程中通过单个甲基化（M）结构域中断的单个腺苷酸化（A）结构域，或通过两个此类独立分子的顺序作用来实现酶。在本文中，为了建立自然N，S-二甲基化L -Cys的方法，我们通过评估TioS（A 3a M 3S A 3b T 3）和TioN（A a M N A b）。这项研究不仅确定了自然界中这两种酶对L -Cys进行N，S-二甲基化所遵循的确切途径，而且还揭示了一个单独的中断A结构域可以使N，N-二甲基化氨基酸，这是一种新现象在非核糖体肽领域。这些发现为新型中断的A结构域酶的开发和工程设计提供了重要而有用的见解，将来可作为组合生物合成的工具。
• Thiopyrano[2,3,4-c,d]indoles as inhibitors of leukotriene biosynthesis
  申请人：Merck Frosst Canada, Inc.

  公开号：US05202321A1

  公开（公告）日：1993-04-13

  Compounds having the formula I: ##STR1## are inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, psoriasis, uveitis and allograft rejection and in preventing the formation of atherosclerotic plaques.

  化学式为I的化合物：##STR1## 是白三烯生物合成的抑制剂。这些化合物可作为抗哮喘、抗过敏、抗炎和细胞保护剂使用。它们还可用于治疗心绞痛、脑血管痉挛、肾小球肾炎、肝炎、内毒素血症、银屑病、葡萄膜炎和移植排斥，并可预防动脉粥样硬化斑块的形成。
• Thiopyrano[2,3,4-cd]indoles as 5-Lipoxygenase Inhibitors: Synthesis, Biological Profile, and Resolution of 2-[2-[1-(4-Chlorobenzyl)-4-methyl-6-[(5-phenylpyridin-2-yl)methoxy]-4,5-dihydro-1H-thiopyrano[2,3,4-cd]indol-2-yl]ethoxy]butanoic Acid
  作者：J. H. Hutchinson、D. Riendeau、C. Brideau、C. Chan、J.-P. Falgueyret、J. Guay、T. R. Jones、C. Lepine、D. Macdonald

  DOI：10.1021/jm00034a013

  日期：1994.4

  Leukotriene biosynthesis inhibitors have potential as new therapies for asthma and inflammatory diseases. The recently disclosed thiopyrano[2,3,4-cd] indole class of 5-lipoxygenase (5-LO) inhibitors has been investigated with particular emphasis on the side chain bearing the acidic functionality. The SAR studies have shown that the inclusion of a heteroatom (O or S) in conjunction with an alpha-ethyl substituted acid leads to inhibitors of improved potency. The most potent inhibitor prepared contains a 2-ethoxybutanoic acid side chain. This compound, 14d (2-[2-[1-(4-chlorobenzyl)-4-methyl-6-[ (5-phenylpyridin-2-yl)methoxy]-4,5-dihydro-1H-thiopyrano[2,3,4-cd]indol-2-yl]ethoxy]-butanoic acid, L-699,333), inhibits 5-HPETE production by human 5-LO and LTB(4) biosynthesis by human PMN leukocytes and human whole blood (IC(50)s Of 22 nM, 7 nM and 3.8 mu M, respectively). The racemic acid 14d has been shown to be functionally active in a rat pleurisy model (inhibition of LTB(4), ED(50) = 0.65 mg/kg, 6 h pretreatment) and in the hyperreactive rat model of antigen-induced dyspnea(50% inhibition at 2 and 4 h pretreatment; 0.5 mg/kg po). In addition, 14d shows excellent functional activity against antigen-induced bronchoconstriction in the conscious squirrel monkey [89% inhibition of the increase in R(L) and 68% inhibition in the decrease in C-dyn (0.1 mg/kg, n = 3)] and in the conscious sheep models of asthma (iv infusion at 2.5 mu g/kg/min). Acid 14d is highly selective as an inhibitor of 5-LO activity when compared to the inhibition of human 15-LO, porcine 12-LO and ram seminal vesicle cyclooxygenase (IC50 > 5 mu M) Or competition in a FLAP binding assay (IC5O > 10 mu M). Resolution of 14d affords 14g, the most potent diastereomer, which inhibits the 5-HPETE production of human 5-LO and LTB(4) biosynthesis of human PMN leukocytes and human whole blood with IC(50)s Of 8 nM, 4 nM, and 1 mu M respectively. The in vitro and in vivo profile of 14d is comparable to that of MK-0591, which has showed biochemical efficacy in inhibiting ex vivo LTB(4) biosynthesis and urinary LTE(4) excretion in clinical trials.