In summary, we have succeeded in the synthesis of indoles via the sulfur-assisted reductive
N-heterocyclization of 2-nitrostilbenes with carbon monoxide using sulfur.
ACKNOWLEDGMENT
This work was financially supported in part by a Grant-in-Aid for Science Research on Priority Area and
Strategic Project to Support the Formation of Research Bases at Private University from the Ministry of
Education, Culture Sports, and Science and Technology of Japan.
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