Chiral phosphoric acid-catalyzed asymmetric C-H functionalization has been achieved. In this process, enantiotopic C(sp(3))-hydrogen is selectively activated by chiral phosphoric acid to afford tetrahydroquinoline derivatives with excellent enantioselectivities (up to 97% ee).
Described herein are two novel types of double C(sp(3))-H bond functionalizations triggered by a sequential hydride shift/cyclization process: (1) construction of a bicyclo[3.2.2]nonane skeleton by a [1,6]- and [1,5]-hydride shift sequence and (2) sequential [1,4]- and [1,5]-hydride shift mediated construction of a linear tricyclic skeleton.
We have prepared a solid-state heterojunction photocatalyst, in which zinc rhodium oxide (ZnRh2O4) and bismuth vanadium oxide (Bi4V2O11) as hydrogen (H2) and oxygen (O2) evolution photocatalysts, respectively, were connected with silver (Ag, ZnRh2O4/Ag/Bi4V2O11).
Described herein is a [1,4]-hydride shift mediated expeditious synthesis of 1-aminoindane derivatives. A wide variety of substrates could be employed in this reaction to afford various indane derivatives in good to excellent chemical yields. Examination of the amine moiety revealed that the sterically hindered amine is the key to achieving both low catalyst loading and excellent chemical yields.
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