We report a visible-light induced
redox-neutral decarboxylative
cross coupling reaction of indole-3-acetic acid NHPI esters with indoles
using a Ru photosensitizer to deliver a wide range of symmetrical
and unsymmetrical 3,3′-bisindolylmethane derivatives. Furthermore,
the reaction is readily adapted to the preparation of a wide variety
of diarylmethane derivatives.
Allyl sulfides are important organosulfur compounds. K2S2O8 promoted dehydrative cross-coupling between α,α-diaryl allylic alcohols and thiophenols/thiols is demonstrated for the first time, which results in a wide range of allyl...
A facile and efficient aerobic oxidative (4 + 2)-cyclization/aromatization/lactonization
tandem reaction of N-aryl glycine esters with propargyl
alcohols to access quinoline-fused lactones is reported. The reaction
can be extended to homopropargylic alcohols too. The transformation
is straightforward to perform under mild conditions and scalable,
and both reaction components are readily available.
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