Phytochemistry 1996-Sep
Antibiotic phenol nor-triterpenes from Maytenus canariensis.
只有注册用户可以翻译文章
登陆注册
链接已保存到剪贴板
关键词
抽象
The new phenols 6-oxo-tingenol, 3-O-methyl-6-oxo-tingenol and 6-oxo-iguesterol were isolated from the root bark of Maytenus canariensis. Their structures were determined by 1H and 13C NMR spectroscopic studies, including HMQC, HMBC, DEPT and ROESY and chemical transformations. The synthesis of 6-oxo-tingenol was achieved from tingenone. These compounds exhibit antibiotic activity against Gram-positive bacteria.