| 摘要 |
This invention relates to new chiral organoboranes of the general formula <IMAGE> in which X represents a methylene group or a sulphur atom, n and p are 0 or 1, and to a preparation process of these compounds, consisting in reacting a bicyclic substituted di- or tri-thiane with a borane such as B2H6 or BH3: Lewis base. |
