Abstract
A new method is proposed for the synthesis of 5-vinylindole by simultaneous catalytic dehydrogenation and decarboxylation of 5-ethylindole-2-carboxylic acid and its ethyl ester, making it possible to more than double the yield of the previously described method.
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N. N. Suvorov, N. E. Starostenko, and F. N. Zeiberlikh, USSR Inventor's Certificate No. 777,026; Byull. Izobret., No. 41, 87 (1980).
V. Prelog and Z. Vejdelec, Helv. Chim. Acta, 16, 1178 (1948).
N. N. Suvorov, N. E. Starostenko, and F. N. Zeiberlikh, Zh. Org. Khim., 16, 2609 (1980).
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 5, pp. 638–641, May, 1991.
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Starostenko, N.E., Dat, F.T., Serova, I.A. et al. Synthesis of 5-vinylindole by simultaneous dehydrogenation and decarboxylation of 5-ethyl-indole-2-carboxylic acid and its ethyl ester. Chem Heterocycl Compd 27, 508–511 (1991). https://doi.org/10.1007/BF00473995
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DOI: https://doi.org/10.1007/BF00473995