ethyl 7-bromo-2,3-dihydropyrazolo[5,1-b][1,3]oxazole-6-carboxylate | 1779121-83-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 英文名称: ethyl 7-bromo-2,3-dihydropyrazolo[5,1-b][1,3]oxazole-6-carboxylate
• 英文别名: Ethyl 7-bromo-2,3-dihydropyrazolo[5,1-b]oxazole-6-carboxylate
• CAS: 1779121-83-3
• 化学式: C₈H₉BrN₂O₃
• 分子量: 261.075
• InChiKey: CZMLGQOFUDGWER-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.5
• 重原子数：
  14
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.5
• 拓扑面积：
  53.4
• 氢给体数：
  0
• 氢受体数：
  4

文献信息

• [EN] BENZODIAZEPINE DERIVATIVES USEFUL IN TREATING A RESPIRATORY SYNCYTIAL VIRUS INFECTION<br/>[FR] DÉRIVÉS DE BENZODIAZÉPINE UTILES POUR LE TRAITEMENT D'UNE INFECTION PAR LE VIRUS RESPIRATOIRE SYNCYTIAL
  申请人：REVIRAL LTD

  公开号：WO2022008911A1

  公开（公告）日：2022-01-13

  Benzodiazepine derivatives of formula (Ie) wherein one of R1 and R2 is a benzodiazepinyl-containing group of formula (II) in which R8 is H or halo; the other of R1 and R2 is a group Z selected from H, C3-C6 cycloalkyl, halo, -NHR9, benzyl, phenyl, 4- to 10-membered heterocyclyl and 4- to 10-membered heteroaryl, wherein phenyl, heterocyclyl and heteroaryl are unsubstituted or substituted by one or two substituents selected from 4- to 10-membered heterocyclyl which is unsubstituted or substituted by OR, and from C1-C6 alkyl, C1-C6 hydroxyalkyl, C1-C6 haloalkyl, C3-C6 cycloalkyl, halo, -OR, -(CH2)mOR, -NR2, -(CH2)mNR2, -NHR", -SOmNR2, -SOmR, -SR, nitro, -CO2R, -CN, -CONR2, -NHCOR, -CH2NR10R11 and -NR10R11, in which each R is independently H or C1-C6 alkyl, R" is C3-C6 cycloalkyl and m is 1 or 2; R9 is selected from phenyl and 4- to 10-membered heteroaryl wherein phenyl and heteroaryl are unsubstituted or substituted by halo; R10 and R11 are each independently H or C1-C6 alkyl; or R10 and R11 form, together with the N atom to which they are attached, either (a) a morpholine ring which is optionally bridged by a -CH2- group linking two ring carbon atoms that are positioned para to each other, or (b) a spiro group of the following formula (b): and ring A is a ring of one of the following structural formulae (I-1), (I-2) and (I-3): and ring A is a ring of one of the following structural formulae (I-1), (1-2) and (1-3): in which Y is selected from O, S, SO2 and NR, wherein R is as defined above, and each of R2 to R7 is independently H, C1-C6 alkyl, C1-C6 hydroxyalkyl, C3-C6 cycloalkyl, halo, -OR, -CH2OR, -NR2, -CH2NR12R13, -NRCOOR, -CH2OR, -SOmNR2, -SOmR, - CH2SOmR, nitro, -CO2R, -CN, -CONR2 or -NHCOR, in which R and m are as defined above and R12 and R13 are each independently H, C1-C6 alkyl, benzyl, 4- to 10-membered heterocyclyl or R12 and R13 form, together with the N atom to which they are attached, a 4- to 10-membered heteroaryl which is unsubstituted or a 4- to 10-membered heterocyclyl which is unsubstituted or substituted with C1-C6 alkyl or halo, or any two of R2 to R7 that bond to the same carbon atom form a spiro ring selected from a C3-C6 cycloalkyl spiro ring and a spiro oxetane ring of the following structure: (Formula A) and the pharmaceutically acceptable salts thereof are inhibitors of RSV and can therefore be used to treat or prevent an RSV infection.

  苯二氮卓啉衍生物的化学式(Ie)，其中R1和R2中的一个是具有化学式(II)的苯二氮卓啉基团，其中R8为H或卤素；另一个是从H、C3-C6环烷基、卤素、-NHR9、苄基、苯基、4-到10元杂环烷基和4-到10元杂芳基中选择的基团Z，其中苯基、杂环烷基和杂芳基未被取代或被一个或两个取代基取代，所述取代基从未被取代或被OR取代的4-到10元杂环烷基和从C1-C6烷基、C1-C6羟基烷基、C1-C6卤基烷基、C3-C6环烷基、卤素、-OR、-(CH2)mOR、-NR2、-( )mNR2、-NHR"、-SOmNR2、-SOmR、-SR、硝基、-CO2R、-CN、-CONR2、-NHCOR、- NR10R11和-NR10R11中选择，其中每个R独立地为H或C1-C6烷基，R"为C3-C6环烷基，m为1或2；R9从苯基和4-到10元杂芳基中选择，其中苯基和杂芳基未被取代或被卤素取代；R10和R11各自独立地为H或C1-C6烷基；或R10和R11与它们连接的N原子一起形成(a)可以由连接两个对位的环碳原子的- -基团桥接的吗啡环，或(b)下列化学式(b)的螺环团，其中环A是以下结构式(I-1)、(I-2)和(I-3)之一的环，环A是以下结构式(I-1)、(1-2)和(1-3)之一的环，其中Y从O、S、SO2和NR中选择，其中R如上定义，R2到R7中的每一个独立地为H、C1-C6烷基、C1-C6羟基烷基、C3-C6环烷基、卤素、-OR、- OR、-NR2、- NR12R13、-NRCOOR、- OR、-SOmNR2、-SOmR、- SOmR、硝基、-CO2R、-CN、-CONR2或-NHCOR，其中R和m如上定义，R12和R13各自独立地为H、C1-C6烷基、苄基、4-到10元杂环烷基或R12和R13与它们连接的N原子一起形成未被取代的4-到10元杂芳基或未被取代或被C1-C6烷基或卤素取代的4-到10元杂环烷基，或结合到同一碳原子的R2到R7中的任意两个形成以下结构的螺环：(化学式A)，及其药学上可接受的盐是RSV的抑制剂，因此可以用来治疗或预防RSV感染。