Syntheses and Antimicrobial Activity of Tetrasubstituted Tetrahydrofuran Lignan Stereoisomers
作者:Tomofumi NAKATO、Satoshi YAMAUCHI、Ryosuke TAGO、Koichi AKIYAMA、Masafumi MARUYAMA、Takuya SUGAHARA、Taro KISHIDA、Yojiro KOBA
DOI:10.1271/bbb.90107
日期:2009.7.23
The syntheses of all stereoisomers of tetrasubstituted tetrahydrofuran lignan were accomplished, and the antimicrobial activity was examined. The 9,9′-diol compound bearing (7R,7′R,8R,8′R) and (7R,7′S,8R,8′R) stereochemistry showed the strongest antibacterial activity against Listeria denitrificans and Bacillus subtilis, respectively. It was also found that (−)-virgatusin bearing (7S,7′R,8S,8′S) stereochemistry had strongest antifungal activity.
完成了四代四氢呋喃木质素所有立体异构体的合成,并考察了其抗菌活性。立体化学结构为(7R,7′R,8R,8′R)和(7R,7′S,8R,8′R)的 9,9′-二醇化合物分别对李斯特菌和枯草杆菌表现出最强的抗菌活性。研究还发现,具有 (7S,7′R,8S,8′S) 立体化学结构的 (-)-virgatusin 具有最强的抗真菌活性。