Docking model of the nicotinic acetylcholine receptor and nitromethylene neonicotinoid derivatives with a longer chiral substituent and their biological activities
作者:Hikaru Nagaoka、Hisashi Nishiwaki、Takuya Kubo、Miki Akamatsu、Satoshi Yamauchi、Yoshihiro Shuto
DOI:10.1016/j.bmc.2014.12.058
日期:2015.2
that contain a sulfur atom, oxygen atom or aromatic ring at position 5 on the imidazolidine ring were synthesized to evaluate their affinity for the nicotinic acetylcholine receptor (nAChR) and their insecticidal activity against adult female houseflies. Comparing the receptor affinity of the alkylated derivative with the receptor affinity of compounds possessing either ether or thioether groups revealed
在本研究中,合成具有在咪唑烷环上第5位含有硫原子,氧原子或芳香环的取代基的硝基亚甲基新烟碱衍生物,以评估其对烟碱乙酰胆碱受体(nAChR)的亲和力及其对成年雌性家蝇的杀虫活性。 。将烷基化衍生物的受体亲和力与具有醚或硫醚基团的化合物的受体亲和力进行比较后发现,碳原子向硫原子的转化不会影响受体亲和力,而向氧原子的转化则对受体亲和力不利。 。具有苄基或苯基的化合物的受体亲和力低于未取代的化合物。连接在咪唑烷环上第5位的正丁基。对nAChR-配体模型的对接研究表明,通过掠过形成结合区的氨基酸,配体结合区会随着取代基长度的增加而扩展。通过考虑log P和取代基中杂原子(包括硫和氧原子)的数量,化合物的杀虫活性与受体亲和力呈正相关 ,这表明杀虫活性受受体亲和力,疏水性和代谢稳定性的影响的化合物。