Zobrazeno 1 - 10 of 36 pro vyhledávání: '"Chaohuang Chen"'
2
A deprotonation pathway to reactive [B]CH2 boraalkenes
Autor: Karel Škoch, Chaohuang Chen, Constantin G. Daniliuc, Gerald Kehr, Gerhard Erker
Publikováno v: Dalton Transactions. 51:7695-7704
The BH compounds IMes(ArF)BH(NTf2) (ArF: C6F5 or FpXyl) were converted to the IMes(ArF)BCH2 boraalkenes in a three step reaction sequence of B-methylation with methyllithium, hydride abstraction and deprotonation.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b4de0b9d8c6962c883443a41d73b94bf
https://doi.org/10.1039/d2dt01193j
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3
Generation of boryl-nitroxide radicals from a boraalkene via the nitroso ene reaction
Autor: Chaohuang Chen, Constantin G. Daniliuc, Sina Klabunde, Michael Ryan Hansen, Gerald Kehr, Gerhard Erker
Publikováno v: Chemical Science. 13:10891-10896
The NHC-stabilized boraalkene reacts with nitrosobenzene to give a [2+2] cycloaddition product plus a pair of persistent borylnitroxide radicals. These are thought to be formed by means of a bora nitroso ene reaction followed by H-atom transfer.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8d0e509c3158239d83cc98b847ccdfd7
https://doi.org/10.1039/d2sc02485c
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6
Formation and Cycloaddition Reactions of a Reactive Boraalkene Stabilized Internally by N ‐Heterocyclic Carbene
Autor: Chaohuang Chen, Gerhard Erker, Gerald Kehr, Constantin G. Daniliuc
Publikováno v: Angewandte Chemie. 133:20058-20064
The synthesis of element-carbon double bonds is of great importance for the development and understanding of reactive π-bonded systems in chemistry. The seven-membered heterocyclic system 4 b is readily made by internal C-H activation at a pendent i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3fa5faa4246fb5c9d4bc5df2a97cb05e
https://doi.org/10.1002/ange.202106724
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9
Palladium(II)‐Catalyzed Enantioselective Aminotrifluoromethoxylation of Unactivated Alkenes using CsOCF 3 as a Trifluoromethoxide Source
Autor: Philipp Miro Pflüger, Pinhong Chen, Guosheng Liu, Chaohuang Chen
Publikováno v: Angewandte Chemie International Edition. 58:2392-2396
Asymmetric PdII -catalyzed intramolecular aminotrifluoromethoxylation of unactivated alkenes using readily accessible and stable CsOCF3 as a trifluoromethoxide source has been developed, which affords a wide variety of enantiomerically enriched β-su
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee3dc7677323707ce72fe629726f5f82
https://doi.org/10.1002/anie.201813591
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