In the presence of phosphine catalyst and pinacolborane, ynones undergo 1,2-reduction while ynoates undergotrans-hydroboration. Mechanistic insights into the two competing pathways lay grounds for control of selectivity in these processes.
在膦催化剂和
松香醇
硼烷的存在下,炔酮经历1,2-还原,而炔酸酯经历反式氢
硼化反应。对这两种竞争途径的机理洞察为控制这些过程中的选择性奠定了基础。