Preparation and Pharmacological Evaluation of N3-Substituted Thymidine Derivatives as Central Deprassants.
作者:Toshiyuki KIMURA、Kazuhito WATANABE、Yuji TATEOKA、Shigemi KONDO、Ing Kang HO、Ikuo YAMAMOTO
DOI:10.1248/cpb.41.1180
日期:——
allyl (5) derivatives exerted hypnotic activity, although the derivatives tested (2-10) significantly prolonged the pentobarbital-induced sleeping time. Compound 1 and its xylyl derivatives tested (0.25 mumol/mouse, i.c.v.) decreased locomotor activity. These results indicate that thymidine derivatives have central depressant activity, and the benzyl derivatives but not alkyl derivatives possess a
通过脑室内(icv)注射检查了N3取代的胸苷(Td)(1)对小鼠的中枢抑制作用。合成了包括N,1位的甲基,乙基,丙基,烯丙基,苄基,二甲苯基和α-苯乙基衍生物在内的九种衍生物,并以催眠活性,戊巴比妥诱导的睡眠时间延长和运动能力为指标评价其药理作用。具有中枢抑制作用。在2.0摩尔/小鼠的剂量下,由N3-苄基胸苷(6),N3-邻二甲苯基胸苷(7),N3-间二甲苯基胸苷(8),N3-对二甲苯基胸腺嘧啶(9)诱导的平均睡眠时间值和N3-α-苯基乙基胸苷(10)分别为61、30、48、45和23分钟。这些衍生物(2.0摩尔/鼠)延长了戊巴比妥诱导的(40毫克/千克,腹膜内)睡眠时间。烷基(2-4)或烯丙基(5)衍生物均未表现出催眠活性,尽管测试的衍生物(2-10)显着延长了戊巴比妥诱导的睡眠时间。测试的化合物1及其二甲苯基衍生物(0.25摩尔/小鼠,icv)降低了运动活性。这些结果表明,胸腺嘧啶核苷