The 6H-pyridine clusters have been studied by the TOF mass spectrometry,the VUV from synchrotron rediation and the molecular beam technique three-type clusters are observed in the VUV photoionization mass spectroscopy...The 6H-pyridine clusters have been studied by the TOF mass spectrometry,the VUV from synchrotron rediation and the molecular beam technique three-type clusters are observed in the VUV photoionization mass spectroscopy: Pn+(n=2-5,P stands for6H-pyridine molecule), PnH+ (n=2-4) and Pn (H2O)m+(n=4,5, m=1;n=6, m=1,2). ThePnH+ clusters may have the chain structure,the Pn+ and Pn(H2O)m+ clusters may havethe cyclic structures, all of these are formed by the hydrogen-bond.展开更多
在介导HIV-1进入正常细胞的协同受体中,趋化因子受体CCR5具有重要的药理学意义,因此开发具有药代动力学性质良好、高选择性及高活性的小分子拮抗剂已成为研究的热点,活性的苯甲酰胺类非肽类小分子备受关注.以4-六氢吡啶酮盐酸盐合成了N...在介导HIV-1进入正常细胞的协同受体中,趋化因子受体CCR5具有重要的药理学意义,因此开发具有药代动力学性质良好、高选择性及高活性的小分子拮抗剂已成为研究的热点,活性的苯甲酰胺类非肽类小分子备受关注.以4-六氢吡啶酮盐酸盐合成了N-乙基-N-(4-六氢吡啶)-4-氯苯甲酰胺(中间体4),以2-羟基-5-溴苯甲醛为原料,通过还原、消去及取代反应合成了4-氯苯甲氧基-4-溴-2-溴甲基苯(中间体7),通过中间体制备了一种新的抗HIV-1候选化合物N-乙基-N-(N-(2-对氯苯甲氧基-5-溴苯甲基)-4-六氢吡啶)-4-氯苯甲酰胺(8),目标产物的结构经13 C NMR、1 H NMR、MS及IR确征,生物活性经Calcium Flux Assay,PBMC及SPA GTPγS Assay检测,表明该产物具有较高的生物活性.展开更多
文摘The 6H-pyridine clusters have been studied by the TOF mass spectrometry,the VUV from synchrotron rediation and the molecular beam technique three-type clusters are observed in the VUV photoionization mass spectroscopy: Pn+(n=2-5,P stands for6H-pyridine molecule), PnH+ (n=2-4) and Pn (H2O)m+(n=4,5, m=1;n=6, m=1,2). ThePnH+ clusters may have the chain structure,the Pn+ and Pn(H2O)m+ clusters may havethe cyclic structures, all of these are formed by the hydrogen-bond.
文摘在介导HIV-1进入正常细胞的协同受体中,趋化因子受体CCR5具有重要的药理学意义,因此开发具有药代动力学性质良好、高选择性及高活性的小分子拮抗剂已成为研究的热点,活性的苯甲酰胺类非肽类小分子备受关注.以4-六氢吡啶酮盐酸盐合成了N-乙基-N-(4-六氢吡啶)-4-氯苯甲酰胺(中间体4),以2-羟基-5-溴苯甲醛为原料,通过还原、消去及取代反应合成了4-氯苯甲氧基-4-溴-2-溴甲基苯(中间体7),通过中间体制备了一种新的抗HIV-1候选化合物N-乙基-N-(N-(2-对氯苯甲氧基-5-溴苯甲基)-4-六氢吡啶)-4-氯苯甲酰胺(8),目标产物的结构经13 C NMR、1 H NMR、MS及IR确征,生物活性经Calcium Flux Assay,PBMC及SPA GTPγS Assay检测,表明该产物具有较高的生物活性.