Amphoteric Drugs. 3. Synthesis and Antiallergic Activity of 3-[(5,11-Dihydro[1]benzoxepino[4,3-b]pyridin-11-ylidene)piperidino]propionic Acid Derivatives and Related Compounds
作者:Nobuhiko Iwasaki、Tetsuo Ohashi、Keiichi Musoh、Hiroyuki Nishino、Noriyuki Kado、Shingo Yasuda、Hideo Kato、Yasuo Ito
DOI:10.1021/jm00003a013
日期:1995.2
penetration into the central nervous system (CNS) is described. A series of 3-[(5,11- dihydro[1]benzoxepino[4,3-b]-pyridin-11-ylidene)piperidino]propion ic acid derivatives (31-47) and related compounds (48-54) were synthesized and evaluated for antiallergic activity and penetration of a compound into the CNS in comparison with the corresponding 6H-dibenz[b,e]oxepin derivative (3). Combination of zwitterionization
描述了设计减少进入中枢神经系统(CNS)的抗过敏剂的重要方法。一系列3-[(5,11-二氢[1]苯并氧杂吡啶[4,3-b]-吡啶-11-亚基]哌啶子基]丙酸衍生物(31-47)及相关化合物(48-54)为与相应的6H-dibenz [b,e] oxepin衍生物(3)相比,合成并评估了化合物的抗过敏活性和对化合物的渗透性。两性离子化和引入吡啶组分的结合导致抗过敏活性的增加和对CNS的渗透性大大降低,通过中央系统的抗组胺活性的选择性(B / A)[离体H1与小鼠脑膜结合的ID50值(B)]和周围系统的抗组胺活性[ED50值对组胺的抑制作用]诱导的小鼠血管通透性增加] 可以基于两性离子化和吡啶组分的引入引起的亲水性的增加来考虑这种令人惊奇的渗透到CNS中的减少。3- [4-(8-氟-5,11-二氢[1]苯并xepino [4,3-b]吡啶基-11亚基)哌啶子基]丙酸(33)在各种实验模型中均表