5-amino-1-(2'-hydroxyethyl)-4-nitrosopyrazole hydrochloride

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 英文名称: 5-amino-1-(2'-hydroxyethyl)-4-nitrosopyrazole hydrochloride
• 英文别名: 5-Amino-1-(2'-Hydroxyethyl)-4-Nitrosopyrazole Hydrochloride Salt；5-amino-1-(2-hydroxyethyl)-4-nitrosopyrazole hydrochloride；2-(5-amino-4-nitrosopyrazol-1-yl)ethanol;hydrochloride
• 化学式: C₅H₈N₄O₂*ClH
• 分子量: 192.605
• InChiKey: OFJIGAFRHWKMLV-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.28
• 重原子数：
  12
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.4
• 拓扑面积：
  93.5
• 氢给体数：
  3
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  5-amino-1-(2'-hydroxyethyl)-4-nitrosopyrazole hydrochloride 在 氨 作用下， 以 水 、 异丙醇 为溶剂， 反应 0.5h， 以72%的产率得到2-(5-氨基-4-亚硝基吡唑-1-基)乙醇
  参考文献：
  名称：

  3,3-DIALKOXY-2-HYDROXYIMINOPROPIONITRILES, PROCESS FOR PREPARATION THEREOF AND PROCESS OF PREPARING 5-AMINO -4-NITROSOPYRAZOLES OR SALTS THEREOF BY THE USE OF THE SAME

  摘要：

  公开号：

  EP1408025B1
• 作为产物：
  描述：

  3,3-dimethoxy-2-hydroxyiminopropionitrile 、 2-肼基乙醇 在 盐酸 作用下， 以 乙醇 、 水 为溶剂， 反应 1.0h， 以91.5%的产率得到5-amino-1-(2'-hydroxyethyl)-4-nitrosopyrazole hydrochloride
  参考文献：
  名称：

  3,3-DIALKOXY-2-HYDROXYIMINOPROPIONITRILES, PROCESS FOR PREPARATION THEREOF AND PROCESS OF PREPARING 5-AMINO -4-NITROSOPYRAZOLES OR SALTS THEREOF BY THE USE OF THE SAME

  摘要：

  公开号：

  EP1408025B1

文献信息

• Process for producing 3-unsubstituted 5-amino-4-nitrosopyrazole compound, and 2-hydroxyimino-3-oxopropionitrile, 3-hydrazono-2-hydroxyiminopropionitrile compound, and processes for producing these
  申请人：Fukuda Yasuhisa

  公开号：US20050096472A1

  公开（公告）日：2005-05-05

  The present invention is to provide a process for preparing a 3-unsubstituted-5-amino-4-nitrosopyrazole compound represented by the formula (1): wherein R 1 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group each of which may have a substituent(s), which comprises cyclizing a 3-hydrazono-2-hydroxyiminopropionitrile compound represented by the formula (2): wherein R 1 has the same meaning as defined above, synthetic intermediates thereof and a process for preparing these intermediates.

  本发明提供了一种制备式（1）所表示的3-未取代-5-氨基-4-亚硝基吡唑化合物的方法，其中R1表示氢原子，烷基，芳基或杂环基，每种基团都可以具有取代基，该方法包括环化式（2）所表示的3-肼酮-2-羟基亚胺丙腈化合物，其中R1具有上述相同的含义，以及这些中间体的合成中间体和制备过程。
• 3,3-Dialkoxy-2-hydroxyiminopropionitriles, process for preparation thereof and process of preparing 5-amino-4-nitrosopyrazoles or salts thereof by the use of the same
  申请人：UBE INDUSTRIES, LTD.

  公开号：US20040116732A1

  公开（公告）日：2004-06-17

  The present invention is to provide a 3,3-dialkoxy-2-hydroxyiminopropionitrile represented by the formula (1): 1 wherein R 1 and R 2 may be the same or different from each other, and each represent an alkyl group having 1 to 8 carbon atoms, a process for preparing the same, and a process for preparing a 5-amino-4-nitrosopyrazole compound represented by the formula (4): 2 wherein R 4 represents a hydrogen atom, an alkyl group which may have a substituent(s) or an aryl group which may have a substituent(s), or an acid salt thereof using the same.

  本发明提供一种由式（1）表示的3,3-二烷氧基-2-羟基亚胺丙腈：其中R1和R2可以相同也可以不同，分别表示具有1到8个碳原子的烷基；以及制备该化合物的方法和利用该化合物制备由式（4）表示的5-氨基-4-亚硝基吡唑化合物：其中R4表示氢原子、可以具有取代基的烷基或可以具有取代基的芳基，或其酸盐。
• 3,3-dialkoxy-2-hydroxyiminopropionitriles, process for preparation thereof and process of preparing 5-amino-4-nitrosopyrazoles or salts thereof by the use of the same
  申请人：Ube Industries, Ltd.

  公开号：US07227032B2

  公开（公告）日：2007-06-05

  The present invention is to provide a 3,3-dialkoxy-2-hydroxyiminopropionitrile represented by the formula (1): wherein R1 and R2 may be the same or different from each other, and each represent an alkyl group having 1 to 8 carbon atoms, a process for preparing the same, and a process for preparing a 5-amino-4-nitrosopyrazole compound represented by the formula (4): wherein R4 represents a hydrogen atom, an alkyl group which may have a substituent(s) or an aryl group which may have a substituent(s), or an acid salt thereof using the same.

  本发明提供了一种由式（1）表示的3,3-二烷氧基-2-羟肟基丙腈，其中R1和R2可以相同或不同，且均表示具有1至8个碳原子的烷基；以及制备该化合物的方法和使用该化合物制备由式（4）表示的5-氨基-4-硝基吡唑化合物的方法，其中R4表示氢原子，可以具有取代基的烷基或可以具有取代基的芳基，或其酸盐。
• Preparation of 4,5-diamino-1-(2'-hydroxyethyl)-pyradazole and acid addition salts thereof
  申请人：EASTMAN CHEMICAL COMPANY

  公开号：EP1342716A2

  公开（公告）日：2003-09-10

  Disclosed is an improved process for the preparation of 4,5-diamino-1-(2'-hydroxyethyl)pyrazole and acid addition salts thereof such as the addition salt from sulfuric acid. The process comprises a novel combination of steps beginning with an alkyl (alkoxymethylene)cyanoacetate and 2-hydroxyethylhydrazine and the formation of intermediate compounds 5-amino-4-alkoxycarbonyl-1-(2'-hydroxyethyl)pyrazole (I), 5-amino-4-carboxyl-1-(2'-hydroxyethyl)pyrazole (II), 5-amino-1-(2'-hydroxyethyl)pyrazole (III), 5-amino-1-(2'-hydroxyethyl)4-nitrosopyrazole (IV),

  本发明公开了一种制备 4,5-二氨基-1-(2'-羟乙基)吡唑及其酸加成盐（如硫酸加成盐）的改进工艺。该工艺包括从烷基（烷氧基亚甲基）氰乙酸酯和 2-羟乙基肼开始，并形成中间化合物 5-氨基-4-烷氧羰基-1-(2'-羟乙基)吡唑 (I)的新颖步骤组合、5-氨基-4-羧基-1-(2'-羟乙基)吡唑 (II)、5-氨基-1-(2'-羟乙基)吡唑 (III)、5-氨基-1-(2'-羟乙基)4-硝基吡唑 (IV)、
• PROCESS FOR PRODUCING 3-UNSUBSTITUTED 5-AMINO-4-NITROSOPYRAZOLE COMPOUND, AND 2-HYDROXYIMINO-3-OXOPROPIONITRILE, 3-HYDRAZONO-2-HYDROXYIMINOPROPIONITRILE COMPOUND, AND PROCESSES FOR PRODUCING THESE
  申请人：Ube Industries, Ltd.

  公开号：EP1475369A1

  公开（公告）日：2004-11-10

  The present invention is to provide a process for preparing a 3-unsubstituted-5-amino-4-nitrosopyrazole compound represented by the formula (1):    wherein R1 represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group each of which may have a substituent(s), which comprises cyclizing a 3-hydrazono-2-hydroxyiminopropionitrile compound represented by the formula (2):    wherein R1 has the same meaning as defined above, synthetic intermediates thereof and a process for preparing these intermediates.

  本发明旨在提供一种制备由式(1)代表的3-未取代-5-氨基-4-亚硝基吡唑化合物的工艺： 其中 R1 代表氢原子、烷基、芳基或杂环基团，每个基团可带有取代基、 其中 R1 代表氢原子、烷基、芳基或杂环基团，每个基团可带有取代基； - 其中 R1 代表氢原子、烷基、芳基或杂环基团，每个基团可带有取代基： 其中 R1 的含义与上述定义相同，其合成中间体以及制备这些中间体的工艺。