Deuterium labelling studies have shown that the facile elimination of the 5β-hydroxy group observed in the course of hydroboration of a 5β-hydroxyandrost-3-ene may involve a trans diaxial borane-borinate elimination coupled with a syn transfer of hydrogen from the borinate.
氘标记研究表明,在 5β-羟基雄
甾醇-3-烯的
硼氢化过程中观察到的 5β-羟基的轻松消除可能涉及反式双轴
硼烷-
硼酸盐消除以及来自
硼酸盐的氢的顺式转移。