Enantiopure syn- and anti-arene dioxides are
synthesised from cis-dihydrodiol metabolites;
anti-benzene dioxides are reduced to enantiopure
trans-3,4-dihydrodiols while syn-benzene dioxides
racemise thermally via 1,4-dioxocins.
对映纯的顺式和反式
芳烃二氧化物是从顺式二氢二醇代谢物合成的;反式苯二氧化物被还原为对映纯的反式-3,4-二氢二醇,而顺式苯二氧化物则通过1,4-二氧烯在热条件下发生消旋。