Tetrahedron Letters p. 1029 - 1031 (2019)
Update date:2022-08-23
Topics:
Ghom, Monica H.
Naykode, Mahavir S.
Humne, Vivek T.
Lokhande, Pradeep D.
A metal-free and greener approach for the one-pot direct iodination and dehydrogenation of dihydrobenzo[a]carbazoles has been developed using periodic acid in polyethylene glycol-400 (PEG-400) under mild condition. This method has been proven to be tolerate to a broad range of functional groups, with good to excellent yields include metal-free inexpensive catalyst, easy work-up, benign reaction condition and high regioselectivity. The solvent has been successfully recycled up to 5 times without any loss of activity in an aqueous medium.
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