Design and synthesis of novel anti-hyperalgesic agents based on 6-prenylnaringenin as the T-type calcium channel blockers
作者:Huy Du Nguyen、Takuya Okada、Shun Kitamura、Sakura Yamaoka、Yamato Horaguchi、Yoshihito Kasanami、Fumiko Sekiguchi、Maho Tsubota、Shigeru Yoshida、Hiroyuki Nishikawa、Atsufumi Kawabata、Naoki Toyooka
DOI:10.1016/j.bmc.2018.07.023
日期:2018.8
(6-PNG) was recently identified as a novel T-type calcium channel blocker with the IC50 value around 1 µM, a series of flavanone derivatives were designed, synthesized and subsequently evaluated for T-channel-blocking activity in HEK293 cells transfected with Cav3.2 T-type channels using a patch-clamp technique. As a result, several new flavanones blocked Cav3.2-dependent T-currents more potently than
由于最近将6-异戊烯基柚皮素(6-PNG)鉴定为IC 50值约为1 µM的新型T型钙通道阻滞剂,因此设计,合成了一系列黄烷酮衍生物,随后对其在体内的T通道阻滞活性进行了评估。使用膜片钳技术用Ca v 3.2 T型通道转染的HEK293细胞。结果,一些新的黄烷酮比6-PNG更有效地阻断了Ca v 3.2依赖性T电流。在合成的化合物中,6-(3-乙基戊-2-烯基)-5,7-二羟基-2-(2-羟基苯基)苯并吡喃-4-酮8j,6-(3-乙基戊-2-烯基)-5 ,7-二羟基-2-(4-羟基苯基)苯并四氢呋喃酮11b,6-(2-环戊二乙基)-5,7-二羟基-2-(4-羟基苯基)并苯吡喃-4-酮11d,6-(2-环戊基乙基)-5,7-二羟基-2-(4-羟基苯基)苯并四氢吡喃-4-酮12c比6-PNG更有效,且IC 50值为0.39、0.26、0.46和分别为0.50 µM。在上述四种衍生物中,化合物8j