N-Acetyl-D-mannosamine hydrate | 14131-64-7

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: N-Acetyl-D-mannosamine hydrate
• 英文别名: N-[(2S,3R,4S,5R)-3,4,5,6-tetrahydroxy-1-oxohexan-2-yl]acetamide;hydrate
• CAS: 14131-64-7；676347-48-1
• 化学式: C8H17NO7
• 分子量: 239.22
• InChiKey: KVWIBLJBIFTKIZ-XNJRRJNCSA-N

物化性质

• 熔点：
  130 C
• 沸点：
  595.4±50.0 °C(Predicted)
• 密度：
  1.50±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  -4.06
• 重原子数：
  16
• 可旋转键数：
  6
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  128
• 氢给体数：
  6
• 氢受体数：
  7

文献信息

• (METH)ACRYLATE MANUFACTURING METHOD
  申请人：TOAGOSEI CO., LTD

  公开号：US20180118658A1

  公开（公告）日：2018-05-03

  The present invention provides a (meth)acrylate manufacturing method characterized in that when manufacturing a (meth) acrylate by an ester exchange reaction between an alcohol and a monofunctional (meth)acrylate using catalyst A and catalyst B together, contact treatment of the ester exchange reaction product with adsorbent C is performed. Catalyst A: One or more kinds of compounds selected from a group consisting of cyclic tertiary amines with an azabicyclo structure and salts or complexes thereof, amidine and salts or complexes thereof, compounds with a pyridine ring and salts or complexes thereof, phosphines and salts or complexes thereof, and compounds with a tertiary diamine structure and salts or complexes thereof. Catalyst B: One or more kinds of compounds selected from a group consisting of compounds comprising zinc. Adsorbent C: One or more kinds of compounds selected from a group consisting of oxides and hydroxides comprising at least one of magnesium, aluminum and silicon.

  本发明提供了一种（甲基）丙烯酸酯制备方法，其特征在于通过在使用催化剂A和催化剂B一起进行醇和单官能基（甲基）丙烯酸酯之间的酯交换反应制备（甲基）丙烯酸酯时，对酯交换反应产物进行与吸附剂C的接触处理。催化剂A：从含有氮杂双环结构的环状三级胺及其盐或络合物、胺嘧啶及其盐或络合物、含有吡啶环的化合物及其盐或络合物、膦及其盐或络合物、以及含有三级二胺结构的化合物及其盐或络合物中选择的一种或多种化合物。催化剂B：从含锌化合物中选择的一种或多种化合物。吸附剂C：从含有镁、铝和硅中至少一种的氧化物和氢氧化物中选择的一种或多种化合物。
• MULTIFUNCTIONAL (METH)ACRYLATE MANUFACTURING METHOD
  申请人：TOAGOSEI CO., LTD.

  公开号：US20170204044A1

  公开（公告）日：2017-07-20

  [Problem] The purpose of the present invention is to obtain a multifunctional (meth)acrylate with good yield by an ester exchange reaction of a polyhydric alcohol such as pentaerythritol or dipentaerythritol with a monofunctional (meth)acrylate. [Solution] A multifunctional (meth)acrylate manufacturing method characterized in that when manufacturing a multifunctional (meth)acrylate by an ester exchange reaction of a polyhydric alcohol with a monofunctional (meth)acrylate, catalyst (A) and catalyst (B) are used together. Catalyst (A): One or more kinds of compounds selected from a group consisting of cyclic tertiary amines with an azabicyclo structure or salts or complexes thereof, amidines or salts or complexes thereof, and compounds with a pyridine ring or salts or complexes thereof. Catalyst (B): One or more kinds of compounds selected from a group consisting of zinc-containing compounds.

  [问题] 本发明的目的是通过多元醇（如戊三醇或二戊三醇）与单官能基（甲基）丙烯酸酯的酯交换反应，获得产率高的多功能（甲基）丙烯酸酯。[解决方案] 一种多功能（甲基）丙烯酸酯制备方法，其特征在于，在通过多元醇与单官能基（甲基）丙烯酸酯的酯交换反应制备多功能（甲基）丙烯酸酯时，同时使用催化剂（A）和催化剂（B）。催化剂（A）：选自具有氮杂双环结构的环三胺或其盐或络合物、酰胺或其盐或络合物以及吡啶环或其盐或络合物组成的群中的一种或多种化合物。催化剂（B）：选自含锌化合物组成的群中的一种或多种化合物。
• METHOD FOR PRODUCING (METH)ACRYLATE
  申请人：TOAGOSEI CO., LTD.

  公开号：US20180105483A1

  公开（公告）日：2018-04-19

  A method for producing a (meth) acrylate comprises transesterification reaction of an alcohol and a monofunctional (meth) acrylate with catalysts in combination being cyclic tertiary amines having an azabicyclo structure and compounds containing zinc, separating a solid that contains the catalysts from a reaction product containing a (meth) acrylate, and producing a (meth) acrylate by transesterification reaction of an alcohol and a monofunctional (meth) acrylate, while using the recovered solid catalyst.

  生产（甲基）丙烯酸酯的方法包括使用具有氮杂双环结构的环状三级胺和含锌化合物作为催化剂，将醇和单官能团（甲基）丙烯酸酯进行酯交换反应，从含有催化剂的固体中分离出含有（甲基）丙烯酸酯的反应产物，然后通过将醇和单官能团（甲基）丙烯酸酯进行酯交换反应，并使用回收的固体催化剂来生产（甲基）丙烯酸酯。
• [EN] C-GLYCOSIDE DERIVATIVES<br/>[FR] DÉRIVÉS DE C-GLYCOSIDES
  申请人：OKINAWA INST SCIENCE & TECH SCHOOL CORP

  公开号：WO2016151989A1

  公开（公告）日：2016-09-29

  The present invention can provide novel C-glycoside derivatives which are biologically important under high stereoselective, mild, atom economical condition.

  本发明可以在高立体选择性、温和、原子经济的条件下提供新颖的C-糖苷衍生物，这些衍生物在生物学上具有重要意义。
• Process for the preparation of n-acetyl-d-mannosamine monohydrate
  申请人：Cipolletti Giovanni

  公开号：US20090131654A1

  公开（公告）日：2009-05-21

  A process is described for the preparation of N-Acetyl-D-mannosamine monohydrate of formula (I) a specific intermediate in the synthesis of N-Acetyl-neuraminic acid, that is an important starting product for the synthesis of various pharmaceutically active products.

  描述了一种制备N-乙酰-D-甘露醇单水合物的过程，其化学式为（I），这是合成N-乙酰神经酰胺酸的特定中间体，是合成各种药用活性产品的重要起始物质。