| 摘要 |
Optically active sulfonates of allethrolone of the formula <IMAGE> I wherein X is selected from the group consisting of alkyl of 1 to 3 carbon atoms and phenyl optionally substituted in the para position with a member selected from the group consisting of methyl, fluorine, chlorine and bromine with an (R) or (S) configuration which are useful for obtaining optically active allethrolone of antipodal configuration and process for their preparation. |
