Cyclophellitol and its (1R,6S)-, (1R,2S,6S)-, (2S)-diastereoisomers are constructed from quinic acid involving a regioselective cyclic sulfate ring opening reaction, a regiospecific oxidative elimination, and an epoxidation reaction.
环黄柏醇及其(1R,6S)-、(1R,2S,6S)-和(2S)-非对映异构体是由
奎宁酸通过区域选择性环
硫酸酯开环反应、区域特异性氧化消除和环氧化反应生成的。