Abstract
A visible-light-induced synthesis of N-H carbazoles from easily accessible 2,2′-diaminobiaryls in the absence of any external photosensitizer is reported. The process only requires tBuONO and natural resources, visible light, and molecular oxygen for the synthesis of N-H carbazoles. Experimental and computational studies support that the in situ formation of a visible-light-absorbing photosensitizing intermediate, benzocinnoline N-imide, is responsible for the activation of triplet molecular oxygen to singlet oxygen that, in turn, promotes the synthesis of carbazole.
Original language | English |
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Pages (from-to) | 1906-1909 |
Number of pages | 4 |
Journal | Organic Letters |
Volume | 19 |
Issue number | 7 |
DOIs | |
State | Published - 7 Apr 2017 |