8-甲基-4-壬酮 | 6137-29-7

• 分子结构分类: 有机化合物 - 有机氧化合物
• 中文名称: 8-甲基-4-壬酮
• 英文名称: 8-methyl-nonan-4-one
• 英文别名: 8-Methyl-4-nonanone；8-methylnonan-4-one
• CAS: 6137-29-7
• 化学式: C₁₀H₂₀O
• 分子量: 156.268
• InChiKey: HZUJDCJQPCTXPQ-UHFFFAOYSA-N

物化性质

• 熔点：
  -3.45°C (estimate)
• 沸点：
  205.54°C (estimate)
• 密度：
  0.8284 (estimate)

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  11
• 可旋转键数：
  6
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.9
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  1

安全信息

• 海关编码：
  2914190090

反应信息

• 作为产物：
  描述：

  丁酰乙酸乙酯 在 aluminum isopropoxide 作用下， 生成 8-甲基-4-壬酮
  参考文献：
  名称：

  Colonge,J. et al., Bulletin de la Societe Chimique de France, 1965, p. 2733 - 2738

  摘要：

  DOI：

文献信息

• Compositions and Methods for Fermentation of Biomass
  申请人：Parekh Sarad

  公开号：US20100268000A1

  公开（公告）日：2010-10-21

  In one aspect, this invention relates to production of useful fermentation end-products from biomass through simultaneous hydrolysis and fermentation by a microorganism, such as Clostridium phytofermentans . The invention also relates to the development of a process for efficient pretreatment and conversion of lignocellulosic biomass to end-products with high conversion efficiency (yield). In another aspect, methods for producing a fermentation end-product by fermenting hexose (C6) and pentose (C5) sugars with a microorganism, such as Clostridium phytofermentans are disclosed herein.

  在一个方面，这项发明涉及通过微生物（如植物发酵槽菌）的同时水解和发酵，从生物质中生产有用的发酵终产物。该发明还涉及开发一种高效预处理和转化木质纤维素生物质为高转化效率（产率）的终产物的过程。在另一个方面，本文介绍了利用微生物（如植物发酵槽菌）发酵己糖（C6）和戊糖（C5）糖产生发酵终产物的方法。
• BIOFUEL PRODUCTION
  申请人：Yoshikuni Yasuo

  公开号：US20090139134A1

  公开（公告）日：2009-06-04

  Methods, enzymes, recombinant microorganism, and microbial systems are provided for converting polysaccharides, such as those derived from biomass, into suitable monosaccharides or oligosaccharides, as well as for converting suitable monosaccharides or oligosaccharides into commodity chemicals, such as biofuels. Commodity chemicals produced by the methods described herein are also provided. Commodity chemical enriched, refinery-produced petroleum products are also provided, as well as methods for producing the same.

  提供了用于将多糖转化为适当的单糖或寡糖的方法、酶、重组微生物和微生物系统，例如从生物质中提取的多糖。同时提供了将适当的单糖或寡糖转化为商品化学品，如生物燃料的方法。本文描述的方法生产的商品化学品也提供了。此外，还提供了商品化学品富集的、精炼生产的石油产品，以及生产这些产品的方法。
• Pyrrolopyridazinone Compound
  申请人：Hagihara Masahiko

  公开号：US20090036453A1

  公开（公告）日：2009-02-05

  The present invention discloses a pyrrolopyridazinone compound represented by the formula (1): wherein R 1 represents C 1 -C 2 alkyl group or halogeno C 1 -C 2 alkyl group, R 2 repersents C 3 -C 5 cycloalkyl group, (C 3 -C 5 cycloalkyl)C 1 -C 2 alkyl group or C 1 -C 3 alkyl group, R 3 represents hydrogen atom, or methylene group or cis-vinylene group for forming substituted oxygen-containing hetero ring in combination with group —O—R 2 , R 4 represents hydrogen atom, halogen atom, C 1 -C 8 alkyl group, C 2 -C 6 alkenyl group, C 2 -C 6 alkynyl group, hydroxy C 3 -C 6 alkenyl group, hydroxy C 3 -C 6 alkynyl group, C 1 -C 6 alkyl group substituted by substituent(s) selected from Substituent group (a), C 3 -C 6 cycloalkyl group which may be substituted by substituent(s) selected from Substituent group (b), “C 1 -C 3 alkyl group which is substituted by C 3 -C 6 cycloalkyl group which may be substituted by substituent(s) selected from Substituent group (b), and which may be substituted by a hydroxy group”, an aromatic ring group or heteroaromatic ring group each of which may be substituted by a substituent(s) selected from Substituent group (c) or “C 1 -C 2 alkyl group which is substituted by aromatic ring group or heteroaromatic ring group each of which may be substituted by group(s) selected from Substituent group (c), and which may be substituted by a hydroxy group”, Substituent group (a) represents a halogen atom, hydroxy group, cyano group, carboxy group, C 1 -C 5 alkoxy group, halogeno C 1 -C 4 alkoxy group, C 3 -C 6 cycloalkoxy group, (C 3 -C 6 cycloalkyl)C 1 -C 2 alkoxy group, C 1 -C 4 alkoxycarbonyl group, C 2 -C 4 alkanoyl group, C 2 -C 4 alkanoyloxy group or C 1 -C 4 alkyl-substituted amino group, Substituent group (b) represents a hydroxy group or a halogen atom, Substituent group (c) represents a halogen atom, a hydroxy group, a cyano group, a nitro group, a carboxy group, C 1 -C 5 alkoxy group, C 1 -C 4 alkoxycarbonyl group, C 2 -C 4 alkanoyloxy group, C 1 -C 4 alkyl-substituted amino group or a C 1 -C 4 alkyl group which may be substituted by a substituent(s) selected from the group consisting of (a halogen atom, a hydroxy group and a carboxy group), or a pharmaceutically acceptable salt thereof.

  本发明公开了一种由式（1）表示的吡咯吡啶二酮化合物：其中，R1代表C1-C2烷基或卤代C1-C2烷基，R2代表C3-C5环烷基、（C3-C5环烷基）C1-C2烷基或C1-C3烷基，R3代表氢原子，或与基团-O-R2结合形成取代含氧杂环的亚甲基或顺式乙烯基，R4代表氢原子、卤素原子、C1-C8烷基、C2-C6烯基、C2-C6炔基、羟基C3-C6烯基、羟基C3-C6炔基、由从取代基团（a）中选择的取代基团取代的C1-C6烷基，可由从取代基团（b）中选择的取代基团取代的C3-C6环烷基，可由从取代基团（b）中选择的取代基团取代的C1-C3烷基，且可由羟基取代，芳香环基或杂芳香环基，每个都可由从取代基团（c）中选择的取代基团取代或由取代基团（c）选择的基团取代的C1-C2烷基，且可由羟基取代，取代基团（a）表示卤素原子、羟基、氰基、羧基、C1-C5烷氧基、卤代C1-C4烷氧基、C3-C6环烷氧基、（C3-C6环烷基）C1-C2烷氧基、C1-C4烷氧羰基、C2-C4酰基、C2-C4酰氧基或C1-C4烷基取代的氨基基团，取代基团（b）表示羟基或卤素原子，取代基团（c）表示卤素原子、羟基、氰基、硝基、羧基、C1-C5烷氧基、C1-C4烷氧羰基、C2-C4酰氧基、C1-C4烷基取代的氨基基团或可由从由卤素原子、羟基和羧基组成的基团中选择的取代基团取代的C1-C4烷基，或其药学上可接受的盐。
• METHODS AND COMPOSITIONS FOR PRODUCING CHEMICAL PRODUCTS FROM C. PHYTOFERMENTANS
  申请人：Schmalisch Matthias

  公开号：US20110183382A1

  公开（公告）日：2011-07-28

  This invention provides systems and methods for the production of compounds by C. phytofermentans. C. phytofermentans is genetically-engineered for hydrolysis and fermentation of carbonaceous biomass to synthesize compounds of commercial value.

  这项发明提供了通过C. phytofermentans生产化合物的系统和方法。C. phytofermentans被基因工程化，用于水解和发酵碳质生物质以合成具有商业价值的化合物。
• Isolated alcohol dehydrogenase enzymes and uses thereof
  申请人：Bio Architecture Lab, Inc.

  公开号：EP2463374A2

  公开（公告）日：2012-06-13

  Bacterial polynucleotides and polypeptides are provided in which the polypeptides have a dehydrogenase activity, such as an alcohol dehydrogenase (ADH) activity, an uronate, a 4-deoxy-L-erythro-5-hexoseulose uronate (DEHU) ((4S,5S)-4,5 dihydroxy-2,6-dioxohexanoate) hydrogenase activity, a 2-keto-3-deoxy-D-gluconate dehydrogenase activity, a D-mannuronate hydrogenase activity, and/or a D-mannnonate dehydrogenase activity. Methods, enzymes, recombinant microorganism, and microbial systems are also provided for converting polysaccharides, such as those derived from biomass, into suitable monosaccharides or oligosaccharides, as well as for converting suitable monosaccharides or oligosaccharides into commodity chemicals, such as biofuels. Commodity chemicals produced by the methods described herein are also provided.

  提供了细菌多核苷酸和多肽，其中的多肽具有脱氢酶活性，如醇脱氢酶（ADH）活性、尿酸盐、4-脱氧-L-赤式-5-己糖尿酸盐（DEHU）（（4S、5S）-4,5-二羟基-2,6-二氧代己酸）氢化酶活性、2-酮基-3-脱氧-D-葡萄糖酸脱氢酶活性、D-甘露酸氢化酶活性和/或 D-甘露酸脱氢酶活性。还提供了将多糖（如来自生物质的多糖）转化为合适的单糖或低聚糖，以及将合适的单糖或低聚糖转化为商品化学品（如生物燃料）的方法、酶、重组微生物和微生物系统。还提供了通过本文所述方法生产的商品化学品。