8-ethyl-2,4-dioxo-1,2,3,4-tetrahydroquinazoline | 1169787-87-4

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二氮杂萘
• 英文名称: 8-ethyl-2,4-dioxo-1,2,3,4-tetrahydroquinazoline
• 英文别名: 8-ethyl-2,4-quinazolinedione；8-Ethylquinazoline-2,4-diol；8-ethyl-1H-quinazoline-2,4-dione
• CAS: 1169787-87-4
• 化学式: C₁₀H₁₀N₂O₂
• 分子量: 190.202
• InChiKey: QOIMHXKTPYUYPA-UHFFFAOYSA-N

物化性质

• 密度：
  1.233±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.2
• 重原子数：
  14
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.2
• 拓扑面积：
  58.2
• 氢给体数：
  2
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  8-ethyl-2,4-dioxo-1,2,3,4-tetrahydroquinazoline 在 N,N-二甲基苯胺 、 三氯氧磷 作用下， 反应 4.0h， 生成 2,4-dichloro-8-ethylquinazoline
  参考文献：
  名称：

  EP2226315

  摘要：

  公开号：
• 作为产物：
  描述：

  2-氨基-3-乙基苯甲酸 、 尿素 以 N-甲基吡咯烷酮 为溶剂， 反应 5.0h， 生成 8-ethyl-2,4-dioxo-1,2,3,4-tetrahydroquinazoline
  参考文献：
  名称：

  EP2226315

  摘要：

  公开号：

文献信息

• 2-AMINOQUINAZOLINE DERIVATIVE
  申请人：Sawa Masaaki

  公开号：US20100311965A1

  公开（公告）日：2010-12-09

  An object of the present invention is to provide compounds which are useful as protein kinase inhibitors. Disclosed is a 2-aminoquinazoline derivative represented by the following formula (I): wherein R 1 represents a lower alkyl group which may be substituted with a halogen atom, or a halogen atom; R 2 represents a hydrogen atom, a substituted or unsubstituted lower alkyl group, a halogen atom, a hydroxyl group, a substituted or unsubstituted lower alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted acylamino group, a carboxyl group, a lower alkoxycarbonyl group, a carbamoyl group, or a substituted or unsubstituted lower alkylureido group; and X, Y and Z each independently represents a hydrogen atom, a substituted or unsubstituted lower alkyl group, a halogen atom, a hydroxyl group, a carboxyl group, a lower alkoxycarbonyl group, a cyano group, a carbamoyl group, a substituted or unsubstituted lower alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted lower alkoxycarbonylamino group, a substituted or unsubstituted lower alkylaminocarbonyl group, a lower alkylsulfonylamino group, a substituted or unsubstituted lower alkylureido group, or a substituted or unsubstituted acylamino group, or X and Y may be combined to form a 5- to 6-membered ring forming a bicyclic fused ring, wherein the 5- to 6-membered ring may optionally have a substituent, provided that when X and Y are not combined to form a fused ring, R 2 represents a hydrogen atom and, when X and Y are combined to form a fused ring, a saturated or unsaturated, bicyclic alicyclic or heterocyclic fused ring can be formed.

  本发明的目的是提供可用作蛋白激酶抑制剂的化合物。公开的是一种由以下式（I）表示的2-氨基喹唑啉衍生物：其中R1表示可以被卤素原子取代的低级烷基基团或卤素原子；R2表示氢原子、取代或未取代的低级烷基基团、卤素原子、羟基、取代或未取代的低级烷氧基团、取代或未取代的氨基、取代或未取代的酰胺基、羧基、低级烷氧羰基基团、氨基甲酰基基团、氰基、取代或未取代的低级烷氧羰胺基团、取代或未取代的低级烷基氨基甲酰基团、低级烷基磺酰氨基基团、取代或未取代的低级烷基脲基基团或取代或未取代的酰胺基；X、Y和Z各自独立地表示氢原子、取代或未取代的低级烷基基团、卤素原子、羟基、羧基、低级烷氧羰基基团、氰基、氨基甲酰基基团、取代或未取代的低级烷氧基团、取代或未取代的低级烷氧羰胺基团、取代或未取代的低级烷基氨基甲酰基团、低级烷基磺酰氨基基团、取代或未取代的低级烷基脲基基团或取代或未取代的酰胺基，或X和Y可以结合形成一个5-到6-成员环形成一个双环融合环，其中5-到6-成员环可以选择地具有取代基，但是当X和Y没有结合形成融合环时，R2表示氢原子；当X和Y结合形成融合环时，可以形成饱和或不饱和、双环融合脂环或杂环融合环。
• Process for producing 1-substituted tetrahydroquinazolindionen
  申请人：SUMITOMO CHEMICAL COMPANY, LIMITED

  公开号：EP0775697A1

  公开（公告）日：1997-05-28

  A process for producing a 1-substituted tetrahydroquinazoline represented by the formula (III): wherein Z represents a methylene group which is optionally substituted by an alkyl group; R6 represents an alkyl group or an aralkyl group; R1 and R2 independently represent a hydrogen atom, a halogen atom, a nitro group, an azido group, an alkyl group, an alkenyl group, an aralkyl group, an alkoxy qroupm, an alkoxycarbonyl group, an acyloxy group, or an amino group represented by XNR4R5in which X represents a direct bond, an alkylene group or a carbonyl group, and N, R4 and R5 may form together a five- or six-membered heterocyclic ring or R4 and R5 independently represent an alkyl group or an acyloxy alkyl group; and R3 represents a hydrogen atom, a halogen atom, a nitro group, an azido group, an alkyl group, an alkenyl group, an aralkyl qroup, an alkoxy group, or an alkoxycarbonyl group which comprises reacting tetrahydroquinazolines represented by the formula (I): wherein R1, R2 and R3 are as defined above with hexamethyldisilazane; and reacting the resultant product with a chloroalkanoate represented by the formula (II):         C1-Z-CO-O-R6     (II) wherein Z and R6 are as defined above in the presence of an iodide of an alkaline metal, followed by desilylation.

  一种生产由式(III)代表的1-取代的四氢喹唑啉的工艺： 其中 Z 代表任选被烷基取代的亚甲基；R6 代表烷基或芳烷基；R1和R2各自代表氢原子、卤素原子、硝基、叠氮基、烷基、烯基、芳烷基、烷氧基、烷氧羰基、酰氧基或由XNR4R5代表的氨基，其中X代表直接键、亚烷基或羰基，N、R4和R5可共同形成五元或六元杂环，或R4和R5各自代表烷基或酰氧基烷基；R3代表氢原子、卤素原子、硝基、叠氮基、烷基、烯基、芳烷基、烷氧基或烷氧基羰基，包括反应式(I)代表的四氢喹唑啉： 其中 R1、R2 和 R3 如上文所定义，与六甲基二硅氮烷反应；并将生成物与式 (II) 所代表的氯代烷酸酯反应： C1-Z-CO-O-R6 (II) 其中 Z 和 R6 如上文所定义，在碱金属碘化物存在下反应，然后脱硅。
• Process for producing 1-substituted tetrahydroquinazolines
  申请人：Sumitomo Chemical Company, Limited

  公开号：EP0878468B1

  公开（公告）日：2003-03-19
• THERAPEUTIC COMPOUNDS
  申请人：Gilead Sciences, Inc.

  公开号：US20210009555A1

  公开（公告）日：2021-01-14

  Compounds of formula (I) or salts thereof are disclosed. Also disclosed are pharmaceutical compositions comprising a compound of formula I, processes for preparing compounds of formula I, intermediates useful for preparing compounds of formula I and therapeutic methods for treating a Retroviridae viral infection including an infection caused by the HIV virus.
• US5756738A
  申请人：——

  公开号：US5756738A

  公开（公告）日：1998-05-26