A KSO-promoted oxidative tandem cyclization of primary alcohols with 2-aminobenzamides to synthesize quinazolinones was successfully achieved under undivided electrolytic conditions without a transition metal and base. The key feature of this protocol is the utilization of KSO as an inexpensive and easy-to-handle radical surrogate that can effectively promote the reaction a simple procedure, leading to the formation of nitrogen heterocycles direct oxidative cyclization at room temperature in a one-pot procedure under constant current. Owing to the use of continuous-flow electrochemical setups, this green, mild and practical electrosynthesis features high efficiency and excellent functional group tolerance and is easy to scale up.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9041726 | PMC |
| http://dx.doi.org/10.1039/d1ra05092c | DOI Listing |
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