Efficient Total Synthesis of Bongkrekic Acid and Apoptosis Inhibitory Activity of Its Analogues
作者:Kenji Matsumoto、Masaki Suyama、Satoshi Fujita、Takuya Moriwaki、Yukiko Sato、Yoshifumi Aso、Satoshi Muroshita、Hiroshi Matsuo、Keishi Monda、Katsuhiro Okuda、Masato Abe、Hiroyuki Fukunaga、Arihiro Kano、Mitsuru Shindo
DOI:10.1002/chem.201501304
日期:2015.8.3
final oxidation to afford BKA in high yield. Based on the total synthesis, several BKA analogues were prepared for structure–activity relationship studies, which indicated that the carboxylic acid moieties were essential for the apoptosis inhibitory activity of BKA. More easily available BKA analogues with potent apoptosis inhibitory activity were also developed.
从椰树伯克霍尔德氏菌中分离出的邦克里奇酸(BKA),是腺嘌呤核苷酸转运蛋白的抑制剂,其抑制细胞凋亡,因此是细胞凋亡机理研究的重要工具。通过采用基于Kocienski–Julia烯烃化和Suzuki–Miyaura偶联的三组分收敛策略,可以有效地合成BKA。值得注意的是,段B已被准备为新的双功能偶联伙伴,这有助于缩短步骤数。甲苯磺酸酯的四甲基选择性烯化也已用于有效构建不饱和酯。此外,还揭示了1-甲基-2-氮杂金刚烷N-氧基是最终氧化以高产率提供BKA的极好试剂。在总合成的基础上,制备了几种BKA类似物用于结构-活性关系研究,这表明羧酸部分对于BKA的细胞凋亡抑制活性是必不可少的。还开发了更容易获得的具有有效凋亡抑制活性的BKA类似物。