Matches in SemOpenAlex for { <https://semopenalex.org/work/W4308772145> ?p ?o ?g. }
- W4308772145 abstract "Abstract The copper‐catalyzed enantioconvergent radical C(sp 3 )−C(sp 2 ) cross‐coupling of tertiary α‐bromo‐β‐lactams with organoboronate esters could provide the synthetically valuable α‐quaternary β‐lactams. The challenge arises mainly from the construction of sterically congested quaternary stereocenters between the tertiary alkyl radicals and chiral copper(II) species. Herein, we describe our success in achieving such transformations through the utilization of a copper/hemilabile N,N,N‐ligand catalyst to forge the sterically congested chiral C(sp 3 )−C(sp 2 ) bond via a single‐electron reduction/transmetalation/bond formation catalytic cycle. The synthetic potential of this approach is shown in the straightforward conversion of the corresponding products into many valuable building blocks. We hope that the developed catalytic cycle would open up new vistas for more enantioconvergent cross‐coupling reactions." @default.
- W4308772145 created "2022-11-15" @default.
- W4308772145 creator A5018797487 @default.
- W4308772145 creator A5019877441 @default.
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- W4308772145 creator A5053466582 @default.
- W4308772145 creator A5075396691 @default.
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- W4308772145 creator A5088566937 @default.
- W4308772145 creator A5089294982 @default.
- W4308772145 date "2022-12-02" @default.
- W4308772145 modified "2023-10-14" @default.
- W4308772145 title "Synthesis of α‐Quaternary β‐Lactams via Copper‐Catalyzed Enantioconvergent Radical C(sp<sup>3</sup>)−C(sp<sup>2</sup>) Cross‐Coupling with Organoboronate Esters" @default.
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