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- W3119898198 abstract "Cyclic guanidines are found in many biologically active compounds and natural products. Further, the formation of the atypical seven-membered ring of cyclic guanidine remains challenging because of a lack of efficient preparation strategies and low yield. Herein, a catalytic synthetic method for cyclic guanidines was developed via transition-metal hydrogen atom transfer and radical-polar crossover. This mild and functional-group-tolerant process enabled the cyclization of alkenyl guanidines bearing common protective groups, such as Cbz and Boc groups. This powerful method provided not only typical five- and six-membered rings but also the atypical seven-membered ring. The derivatization of the products afforded various heterocycles. We also investigated the selective cyclization of monoprotected or heteroprotected (TFA and Boc) alkenyl guanidines and their further derivatizations." @default.
- W3119898198 created "2021-01-18" @default.
- W3119898198 creator A5013996348 @default.
- W3119898198 creator A5044377159 @default.
- W3119898198 creator A5064636237 @default.
- W3119898198 date "2021-01-05" @default.
- W3119898198 modified "2023-10-18" @default.
- W3119898198 title "Catalytic Synthesis of Cyclic Guanidines via Hydrogen Atom Transfer and Radical-Polar Crossover" @default.
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- W3119898198 doi "https://doi.org/10.1021/acscatal.0c05359" @default.
- W3119898198 hasPublicationYear "2021" @default.
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