Photoinduced benzylic C–H thiocyanation is described. A series of alkyl thiocyanates were efficiently obtained by using Selectfluor as the oxidant. Moreover, we accomplished the one-pot isothiocyanation following the C–H thiocyanation. The thiocyanates and isothiocyanates were applied to the divergent transformation of pharmaceuticals.
dehydrogenation-based strategy for enantioselective formal benzylic C(sp3)–H bond borylation. Dehydrogenation of alkylarenes by a pincer-Ir complex produces arylalkenes via a tandem dehydrogenation/alkene-isomerization catalysis. The subsequent Cu-catalyzed asymmetric alkenehydroboration affords benzylic boronate esters with excellent site- and enantioselectivity. The generality of this strategy has
直接不对称烷基官能化可以潜在地将丰富且廉价的烃原料转化为增值的手性精细化学品。在这里,我们报告了一种基于脱氢的一锅法,用于对映选择性形式苄基 C(sp 3 )-H 键硼化。通过钳形铱络合物对烷基芳烃的脱氢通过串联脱氢/烯烃异构化催化产生芳基烯烃。随后的 Cu 催化的不对称烯烃硼氢化提供了具有优异位点和对映选择性的苄基硼酸酯。不对称烷基胺化进一步证明了该策略的普遍性。