作者:Jong-Woon Jung、Jin-Kyung Kim、Jong-Gab Jun
DOI:10.1248/cpb.c16-00089
日期:——
First syntheses of five natural 1,3-diarylpropenes (cinnamylphenols) 2–4, 7, and 8 along with synthesis of two other natural 1,3-diarylpropenes 1 and 5 and E-isomer of mucronulastyrene (6) were achieved by Friedel–Crafts alkylation as a key step. Subsequently, their anti-inflammatory effects were also investigated in lipopolysaccharide (LPS)-induced RAW264.7 macrophages. The compounds exhibited significant inhibition of inflammatory mediated nitric oxide (NO) production with no cytotoxicity except compound 8 (dalberatin B) at 10 µM concentration and IC50 values were found in the range from 4.05 to 16.76 µM.
作为关键步骤,通过 Friedel-Crafts 烷基化技术首次合成了五种天然 1,3-二元丙烯(肉桂酚)2-4、7 和 8,并合成了另外两种天然 1,3-二元丙烯 1 和 5 以及短链烷烃的 E 异构体(6)。随后,还研究了它们在脂多糖(LPS)诱导的 RAW264.7 巨噬细胞中的抗炎作用。除了化合物 8(dalberatin B)在 10 µM 浓度下没有细胞毒性外,其他化合物对炎症介导的一氧化氮(NO)产生有明显的抑制作用,IC50 值在 4.05 至 16.76 µM 之间。