8-Isopropylquinoline N-oxide can be used as a reagent:
In the oxidative cyclization of diynes in the presence of gold catalyst.[1]
For the preparation of pyrrolo[3,4-c]quinolin-1-ones by asymmetric alkyne oxidation of chiral N-propargyl ynamides in the presence of a copper catalyst.[2]
In the synthesis of 8-(1-methylethyl)-2-[(4-methylphenyl)sulfonyl]- quinoline by deoxygenative and selective sulfonylation with sodium p-toluenesulfinate using iodine/TBHP as a catalyst.[3]
Iodine/TBHP-Promoted One-Pot Deoxygenation and Direct 2-Sulfonylation of Quinoline N-Oxides with Sodium Sulfinates: Facile and Regioselective Synthesis of 2-Sulfonylquinolines
Sumunnee L, et al.
European Journal of Organic Chemistry, 2017(5), 1025-1032 (2017)
Journal of the American Chemical Society, 135(41), 15662-15666 (2013-09-21)
In the presence of a gold catalyst an unprecedented oxidative cyclization of diynes takes place. The reaction cascade is initiated by an oxygen transfer from a N-oxide onto a gold-activated alkyne. The formed α-oxo carbene is transferred across the second
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