N-phenyl phenothiazine {is one of the|is among the|is amongst the} most {reducing|decreasing|lowering|minimizing} photoredox catalysts. Its synthesis {commonly|generally|typically|frequently|normally|usually} {requires|demands|needs|calls for} transition metal catalyzed cross-coupling reactions. {Here|Right here} we show the syntheses of {four|4} aryl phenothiazines {via|by way of|through|by means of} a benzyne route, {including|such as|which includes|like} a multi-gram scale synthesis of N-phenyl phenothiazine. {While|Whilst|Although|Even though|When|Though} yields are modest, the simplicity, low {cost|price|expense}, and lack of requirement for cross-coupling catalyst {in this|within this} synthesis {will be|will probably be|will likely be|is going to be|might be|are going to be} {attractive|appealing|desirable|eye-catching} to {users|customers} of this photocatalyst. 1,3-Dioxoisoindolin-2-yl acetate manufacturer 2-Aminobenzaldehyde supplier PMID:23891445
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