- Electrochemical Synthesis of Carbazoles by Dehydrogenative Coupling Reaction
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A constant current protocol, employing undivided cells, a remarkably low supporting electrolyte concentration, inexpensive electrode materials, and a straightforward precursor synthesis enabling a novel access to N-protected carbazoles by anodic N,C bond formation using directly generated amidyl radicals is reported. Scalability of the reaction is demonstrated and an easy deblocking of the benzoyl protecting group is presented.
- Kehl, Anton,Schupp, Niclas,Breising, Valentina M.,Schollmeyer, Dieter,Waldvogel, Siegfried R.
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supporting information
p. 15847 - 15851
(2020/11/02)
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- Revisiting 1-chloro-1,2-benziodoxol-3-one: Efficient: ortho -chlorination of aryls under aqueous conditions
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The application of 1-chloro-1,2-benziodoxol-3-one as a powerful chlorinating agent as well as oxidant for aniline derivatives is explored. The amide directing group assisted radical mediated ortho-selective chlorination proceeds in the absence of a radical initiator. Various electronically differentiated anilides and sulfonamides are tolerated under aqueous conditions.
- Vinayak, Botla,Ravindrakumar, Pardhi Vishal,Ramana, Daggupati V.,Chandrasekharam, Malapaka
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p. 8953 - 8959
(2018/06/08)
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