Anti-ulcer effect of isoprenyl flavonoids. III. Synthesis and anti-ulcer activity of metabolites of 2'-carboxymethoxy-4,4'-bis(3-methyl-2-butenyloxy)chalcone.
作者:KATSUO HATAYAMA、SADAKAZU YOKOMORI、YUTAKA KAWASHIMA、RYUICHI SAZIKI、KAZUAKI KYOGOKU
DOI:10.1248/cpb.33.1327
日期:——
Five dihydrochalcone derivatives, 2'-carboxymethoxy-4, 4'-bis (3-methyl-2-butenyloxy) dihydrochalcone (M-6-b), 2', 4-bis (carboxymethoxy)-4'-(3-methyl-2-butenyloxy) dihydrochalcone (M-2), 2', 4-bis (carboxymethoxy)-4'-(3-carboxy-2-butenyloxy) dihydrochalcone (M-1-a), 2', 4-bis (carboxymethoxy)-4'-(3-hydroxymethyl-2-butenyloxy) dihydrochalcone (M-1-b), and 2'-carboxymethoxy-4-hydroxy-4'-(3-methyl-2-butenyloxy) dihydrochalcone (M-4-b), which are the main metabolites in rats of a new anti-ulcer drug "sofalcone"(2'-carboxymethoxy-4, 4'-bis (3-methyl-2-butenyloxy) chalcone) were synthesized and the anti-ulcer activities of the major metabolites in humans, M-6-b, M-2, and M-1-a, were examined by Shay's and Takagi's methods and also by the use of rats with histamine-induced ulcer. The most active compound was M-6-b, which showed activity equal to or slightly weaker than that of sofalcone.
合成了五种二氢查尔酮衍生物:2'-羧基甲氧基-4,4'-双(3-甲基-2-丁烯氧基)二氢查尔酮(M-6-b)、2',4-双(羧基甲氧基)-4'-(3-甲基-2-丁烯氧基)二氢查尔酮(M-2)、2',4-双(羧基甲氧基)-4'-(3-羧基-2-丁烯氧基)二氢查尔酮(M-1-a)、2',4-双(羧基甲氧基)-4'-(3-羟甲基-2-丁烯氧基)二氢查尔酮(M-1-b)以及2'-羧基甲氧基-4-羟基-4'-(3-甲基-2-丁烯氧基)二氢查尔酮(M-4-b)。这些化合物是新型抗溃疡药物“索法克龙”(2'-羧基甲氧基-4,4'-双(3-甲基-2-丁烯氧基)查尔酮)在大鼠体内的主要代谢产物。通过Shay和Takagi的方法,以及使用组胺诱导的溃疡大鼠,研究了这些主要代谢产物在人体的抗溃疡活性。最活跃的化合物是M-6-b,其活性与索法克龙相当或稍弱。