作者:Zhu-Xiang Wang、Hong-Kang Fu、Xin-Yu Da、Hui-Hui Wang、Bao-Dong Cui、Wen-Yong Han、Yong-Zheng Chen、Nan-Wei Wan
DOI:10.1021/acs.orglett.3c01752
日期:2023.7.14
for the synthesis of metaxalone and its analogues was developed based on the reaction of epoxides and cyanate catalyzed by halohydrin dehalogenase. Gram-scale synthesis of chiral and racemic metaxalone was achieved with 44% (98% ee) and 81% yields, respectively, by protein engineering of the halohydrin dehalogenase HHDHamb from Acidimicrobiia bacterium. Additionally, various metaxalone analogues were
基于卤代醇脱卤酶催化环氧化物和氰酸酯的反应,开发了一种合成美他沙酮及其类似物的生物催化方法。通过对来自Acidimicrobiia 细菌的卤代醇脱卤酶 HHDHamb 进行蛋白质工程改造,实现了手性和外消旋美他沙酮的克级合成,产率分别为 44% (98% ee ) 和 81%。此外,合成了各种美他沙酮类似物,手性形式的产率为 28-40% (90-99% ee ),外消旋形式的产率为 77-92%。