Abstract
Metallopropargylation of a number of carbazoles was performed by dicobalt hexacarbonyl complexes with propargyl alcohol and 1,4-butynediol in the presence of boron trifluoride etherate. It was shown that depending on the substituents position in the carbazole ring occurred either N- of C-propargylation; with 1,4-butynediol formed also oligomeric products.
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Karpov, M.G., Zavgorodnii, V.S. & Denisov, V.R. Reactions of Carbazoles with Hexacarbonyl Dicobalt Complexes of Propynol and 1,4-Butynediol. Russian Journal of Organic Chemistry 37, 1731–1735 (2001). https://doi.org/10.1023/A:1013926118795
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DOI: https://doi.org/10.1023/A:1013926118795