2-Methyl-heptan-2,4-diol | 38836-26-9

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 2-Methyl-heptan-2,4-diol
• 英文别名: 2-Methyl-heptandiol-(2,4)；2-methyl-heptane-2,4-diol；α.α-Dimethyl-α'-propyl-trimethylenglykol；2-Methylheptane-2,4-diol
• CAS: 38836-26-9
• 化学式: C₈H₁₈O₂
• 分子量: 146.23
• InChiKey: DXWLGCKTCQEDOO-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.5
• 重原子数：
  10
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  40.5
• 氢给体数：
  2
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  2-Methyl-heptan-2,4-diol 生成 2-methylhept-2-en-4-ol
  参考文献：
  名称：

  粘性溶液中蔗糖中的多场碳 13 和质子弛豫

  摘要：

  碳 13 自旋晶格和自旋自旋弛豫率以及核 Overhauser 增强 (NOE) 的测量与选定的质子交叉弛豫测量相结合，在粘性冷冻溶剂 D2O-DMSO 中，在几个磁场和两个温度下测量蔗糖. 使用 Lipari-Szabo 形式主义解释极端缩小范围之外的结果。所有碳弛豫数据和质子交叉弛豫率都给出了一致的描述，表明两个糖残基显示出相似且高度有限的内部迁移率，而羟甲基的迁移率更高。我们的碳和质子组合数据并未证明蔗糖中糖苷键的灵活性。版权所有 © 2000 John Wiley & Sons, Ltd.

  DOI：

  10.1002/1097-458x(200012)38:12<1012::aid-mrc785>3.0.co;2-o
• 作为产物：
  描述：

  甲基碘化镁 、 2-hydroxy-heptan-4-one 在 乙醚 作用下， 生成 2-Methyl-heptan-2,4-diol
  参考文献：
  名称：

  粘性溶液中蔗糖中的多场碳 13 和质子弛豫

  摘要：

  碳 13 自旋晶格和自旋自旋弛豫率以及核 Overhauser 增强 (NOE) 的测量与选定的质子交叉弛豫测量相结合，在粘性冷冻溶剂 D2O-DMSO 中，在几个磁场和两个温度下测量蔗糖. 使用 Lipari-Szabo 形式主义解释极端缩小范围之外的结果。所有碳弛豫数据和质子交叉弛豫率都给出了一致的描述，表明两个糖残基显示出相似且高度有限的内部迁移率，而羟甲基的迁移率更高。我们的碳和质子组合数据并未证明蔗糖中糖苷键的灵活性。版权所有 © 2000 John Wiley & Sons, Ltd.

  DOI：

  10.1002/1097-458x(200012)38:12<1012::aid-mrc785>3.0.co;2-o

文献信息

• [EN] A PROCESS FOR PREPARATION OF AN INTERMEDIATE OF THE PYRROLIDINE SUBSTITUTED FLAVONES<br/>[FR] PROCÉDÉ DE PRÉPARATION D'UN INTERMÉDIAIRE DE FLAVONES SUBSTITUÉES PAR UNE PYRROLIDINE
  申请人：PIRAMAL ENTPR LTD

  公开号：WO2014128523A1

  公开（公告）日：2014-08-28

  The present invention relates to a process for the preparation of a key intermediate (as described herein) used in the synthesis of (+)-trans enantiomer of pyrrolidine substituted flavones, represented by the compounds of formula (1) or pharmaceutically acceptable salts thereof; which are inhibitors of cyclin dependant kinases (CDKs) and can be used in the treatment of proliferative disorders such as cancer. Formula (1) wherein R has the meaning as indicated in the claims. The process of the present invention has advantages of higher yield and purity, lower reaction temperature, is consistent and involves the use of non toxic solvents. The process of the present invention allows efficient large-scale synthesis and purity of the product obtained is greater than 97 %.

  本发明涉及一种用于制备一种关键中间体（如本文所述）的方法，该中间体用于合成嘧啶基取代的黄酮类化合物的（+）-反式对映体，该化合物由式（1）所代表，或其药学上可接受的盐；这些化合物是细胞周期依赖性激酶（CDKs）的抑制剂，可用于治疗癌症等增殖性疾病。式（1）中R的含义如索权中所示。本发明的方法具有较高的产率和纯度优势，反应温度较低，稳定且使用无毒溶剂。本发明的方法允许高效的大规模合成，所得产品的纯度大于97％。
• Concentrated, stable, translucent or clear, fabric softening compositions including chelants
  申请人：Wahl Hoffman Errol

  公开号：US20050202998A1

  公开（公告）日：2005-09-15

  Clear or translucent fabric softening compositions having a biodegradable fabric softening active and an added chelating agent are disclosed. The biodegradable fabric softening active preferably has the formula: wherein each R substituent is hydrogen or a short chain C 1 -C 6 , preferably C 1 -C 3 alkyl or hydroxyalkyl group, e.g., methyl (most preferred), ethyl, propyl, hydroxyethyl, and the like, benzyl, or mixtures thereof; each m is 2 or 3; each n is from 1 to about 4, preferably 2; each Y is —O—(O)C—, —(R)N—(O)C—, —C(O)—N(R)—, or —C(O)—O—, preferably —O—(O)C—; the sum of carbons in each R 1 , plus one when Y is —O—(O)C— or —(R)N—(O)—, is C 6 -C 22 , preferably C 12-22 , more preferably C 14 -C 20 , but no more than one R 1 or YR 1 sum being less than about 12 and then the other R 1 or YR 1 sum is at least about 16, with each R 1 being a long chain C 5 -C 21 (or C 6 -C 22 ), preferably C 9 -C 19 (or C 9 -C 20 ), most preferably C 11 -C 17 (or C 12 -C 18 ), straight, branched, unsaturated or polyunsatruated alkyl, the average Iodine Value of the parent fatty acid of the R 1 being from about 20 to about 140. The chelating agent is preferably diaminetriaminepentaacetic acid. The compositions display excellant clarity with a percentage haze in the transmission mode of a Hunter Color analysis of less than 90%, preferably less than 50%.

  本文揭示了具有可生物降解织物柔软活性剂和添加螯合剂的透明或半透明织物柔软组合物。可生物降解织物柔软活性剂优选具有以下公式： 其中，每个R取代基是氢或短链C1-C6，优选是C1-C3烷基或羟基烷基，例如，甲基（最优选），乙基，丙基，羟乙基等，苯甲基或其混合物；每个m为2或3；每个n为1至约4，优选为2；每个Y为—O—（O）C—，—（R）N—（O）C—，—C（O）—N（R）—或—C（O）—O—，优选为—O—（O）C—；当Y为—O—（O）C—或—（R）N—（O）—时，每个R1中碳的总数加一为C6-C22，优选为C12-22，更优选为C14-C20，但不超过一个R1或YR1总和小于约12，然后另一个R1或YR1总和至少约为16，每个R1为长链C5-C21（或C6-C22），优选为C9-C19（或C9-C20），最优选为C11-C17（或C12-C18），直链、支链、不饱和或多不饱和烷基，R1的父脂肪酸的平均碘值约为20至约140。螯合剂优选为二氨基三乙酸五钠盐。该组合物在Hunter Color分析的透射模式下具有出色的清晰度，其百分之雾度小于90％，优选小于50％。
• Process for the preparation of sulphinyl derivatives by oxidation of the corresponding sulfides
  申请人：Turchetta Stefano

  公开号：US20060014798A1

  公开（公告）日：2006-01-19

  The present invention relates to a mild and industrially applicable process for preparing sulfinyl derivatives of Formula (II), useful as inhibitors of gastric acid secretion, comprising the selective oxidation of the corresponding sulfides of Formula (I), as represented in scheme (I) and (II) in which said oxidation is performed with hydrogen peroxide in the presence of low amounts of a rhenium compound as catalyst, at a temperature from 0° C. to room temperature.

  本发明涉及一种制备式（II）的亚砜衍生物的温和且适用于工业的过程，该亚砜衍生物可用作胃酸分泌抑制剂，包括选择性氧化式（I）的相应硫醚，如图（I）和（II）所示，其中所述氧化是在低量的铼化合物作为催化剂的存在下，以氢过氧化物为氧化剂，在0℃到室温下进行的。
• Concentrated, stable, preferably clear, fabric softening composition
  申请人：Trinh Toan

  公开号：US20060058216A1

  公开（公告）日：2006-03-16

  Principal solvents, especially mono-ol and diol principal solvents, having a ClogP of from about 0.15 to about 0.64, preferably from about 0.25 to about 0.62, and more preferably from about 0.40 to about 0.60, are disclosed that have the ability to make clear aqueous fabric softener compositions containing relatively high concentrations of fabric softener actives having ester linkages in their long, hydrophobic chains. The fabric softener actives are either unsaturated, or have intermediate length chains (˜C 12-14 ) and the said principal solvents are used at levels of less than about 40%. Other solvents may be present. Some of the said principal solvents are novel compounds and/or novel mixtures. Premixes of the fabric softening actives, the principal solvents, and, optionally, other solvents are useful in the preparation of complete formulations by obviating/limiting the need for heating.

  本发明揭示了主要溶剂，特别是具有ClogP约为0.15至约0.64，优选为约0.25至约0.62，更优选为约0.40至约0.60的单醇和双醇主要溶剂，具有制备含有长链疏水基中酯键的相对高浓度织物柔顺剂活性成分的清澈水性织物柔顺剂组合物的能力。织物柔顺剂活性成分可以是不饱和的，也可以具有中等长度的链（约C12-14），所述主要溶剂的使用水平小于约40％。其他溶剂可以存在。其中一些主要溶剂是新化合物和/或新混合物。织物柔顺剂活性成分、主要溶剂和可选的其他溶剂的预混物在制备完整配方时是有用的，因为它们可以避免/限制加热的需要。
• Concentrated, stable fabric softening composition
  申请人：——

  公开号：US20030153483A1

  公开（公告）日：2003-08-14

  Principal solvents, especially mono-ol and diol principal solvents, having a ClogP of from about 0.15 to about 0.64, preferably from about 0.25 to about 0.62, and more preferably from about 0.40 to about 0.60, are disclosed that have the ability to make clear aqueous fabric softener compositions containing relatively high concentrations of fabric softener actives having ester linkages in their long, hydrophobic chains. The fabric softener actives are either unsaturated, or have intermediate length chains (˜C 12-14 ) and the said principal solvents are used at levels of less than about 40%. Other solvents may be present. Some of the said principal solvents are novel compounds and/or novel mixtures. Premixes of the fabric softening actives, the principal solvents, and, optionally, other solvents are useful in the preparation of complete formulations by obviating/limiting the need for heating.

  本发明涉及主要溶剂，特别是具有从约0.15到约0.64的ClogP值的单醇和二醇主要溶剂，优选从约0.25到约0.62，更优选从约0.40到约0.60，具有使含有长的亲水性链中的酯键的织物柔软剂活性成分相对高浓度的清澈水性织物柔软剂组合物的能力。织物柔软剂活性成分可以是不饱和的，也可以具有中等长度的链（约C12-14），所述主要溶剂的使用水平低于约40％。其他溶剂可能也存在。其中一些主要溶剂是新化合物和/或新混合物。织物柔软剂活性成分、主要溶剂和可选的其他溶剂的预混物可用于制备完整配方，从而避免/限制加热的需要。