ethyl 5-(2-benzoxazolyl)pentanoate

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并恶唑类
• 英文名称: ethyl 5-(2-benzoxazolyl)pentanoate
• 英文别名: Ethyl 5-(1,3-benzoxazol-2-yl)pentanoate
• 化学式: C₁₄H₁₇NO₃
• 分子量: 247.294
• InChiKey: UYAZULNFMHJORM-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3
• 重原子数：
  18
• 可旋转键数：
  7
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.43
• 拓扑面积：
  52.3
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  2-(dodecylthio)benz[d]oxazole 、 ethyl pentanoate,iodozinc(1+) 在 1,1'-双(二苯膦基)二茂铁二氯化钯(II)二氯甲烷复合物 作用下， 以 四氢呋喃 、 甲苯 为溶剂， 反应 1.5h， 以98%的产率得到ethyl 5-(2-benzoxazolyl)pentanoate
  参考文献：
  名称：

  Palladium-Catalyzed Coupling of N-Heteroaryl Sulfides with Organozinc Reagents

  摘要：

  The palladium-catalyzed cross-coupling of N-heteroaryl sulfides with organozinc reagents was developed. Scope and limitation of the reaction regarding generality of zinc reagents and substrate were also investigated.

  DOI：

  10.3987/com-08-s(f)49

文献信息

• SUBSTITUTED PROPIONYL DERIVATIVES
  申请人：DAIICHI PHARMACEUTICAL CO., LTD.

  公开号：EP0949238A1

  公开（公告）日：1999-10-13

  The present invention relates to a compound represented by the following formula (1): [wherein, X1 represents a carboxyl group which may be esterified or the like group; Y1 represents a single bond, -O- or -N(R1)-; at least one of A1, A2 and A3 is a group represented by the following formula (2): -R2-a1-R3-a2 →wherein, R2 represents a divalent C2-12 hydrocarbon group, R3 represents a single bond or a divalent C1-12 hydrocarbon group, a1 and a2 individually represent a single bond, -S-, -SO-, -SO2-, -SO2NH-, -O-, -N(R4)-, -CON(R5)-, -C(=O)- or - Si(R6)(R7)- and → means bonding with Q1, Q2 or Q3}, the remaining one or two of A1, A2 and A3 are the same or different and each independently represents a group represented by the following formula (3): -R8-a3-R9-a4 →wherein, R8 and R9 individually represent a single bond or a divalent C1-12 hydrocarbon group, a3 and a4 individually represent a single bond, -S-, -SO-, -SO2-, -SO2NH-, -O-, - N(R10)-, -CON(R11)-, -C(=O)- or -SI(R12)(R13)- and → means bonding with Q1, Q2 or Q3},; at least one of Q1, Q2 and Q3 represents a cyclic hydrocarbon group or heterocyclic group and the remaining one or two of Q1, Q2 and Q3 individually represent a hydrogen atom, a carboxyl group which may be esterified, a hydrocarbon group or a heterocyclic group] or salt thereof; and a pharmaceutical comprising the same as an effective ingredient. The compound exhibits strong squalene synthetase inhibitory action and is therefore useful as a pharmaceutical for the treatment·prevention of hypercholesterolemia, hyperlipemia or arteriosclerosis.

  本发明涉及一种由以下式（1）表示的化合物：[其中，X1代表可能酯化或类似基团的羧基；Y1代表单键，-O-或-N（R1）-；A1、A2和A3中至少有一个是由以下式（2）表示的基团：-R2-a1-R3-a2 →其中，R2代表二价的C2-12碳氢基团，R3代表单键或二价的C1-12碳氢基团，a1和a2分别代表单键，-S-，-SO-，-SO2-，-SO2NH-，-O-，-N（R4）-，-CON（R5）-，-C（=O）-或-Si（R6）（R7）-，→表示与Q1、Q2或Q3结合}，A1、A2和A3中剩余的一个或两个是相同或不同的，并且每个独立地表示由以下式（3）表示的基团：-R8-a3-R9-a4 →其中，R8和R9分别代表单键或二价的C1-12碳氢基团，a3和a4分别代表单键，-S-，-SO-，-SO2-，-SO2NH-，-O-，-N（R10）-，-CON（R11）-，-C（=O）-或-SI（R12）（R13）-，→表示与Q1、Q2或Q3结合}；Q1、Q2和Q3中至少有一个代表环烃基或杂环烃基，剩余的一个或两个分别代表氢原子，可能酯化的羧基，碳氢基团或杂环烃基的其中一个或两个]或其盐；以及包括其作为有效成分的药物。该化合物表现出强烈的角鲨烯合酶抑制作用，因此可用作治疗高胆固醇血症、高脂血症或动脉硬化的药物。
• Palladium-Catalyzed Coupling of N-Heteroaryl Sulfides with Organozinc Reagents
  作者：Tohru Fukuyama、Hidetoshi Tokuyama、Takahiro Koshiba、Tohru Miyazaki

  DOI：10.3987/com-08-s(f)49

  日期：——

  The palladium-catalyzed cross-coupling of N-heteroaryl sulfides with organozinc reagents was developed. Scope and limitation of the reaction regarding generality of zinc reagents and substrate were also investigated.