A method for the preparation of indole analogs of tolan, viz., indolylphenylacetylene and di-indolylacetylene, from indolyl benzyl ketone and indolyl skatyl ketone, respectively, by reaction with a Vilsmeier—Haack reagent was developed. The synthesis of indolyl skatyl ketone and 3-(3-indolyl)-3-chloro-2-phenyl-2-propen-1-al was realized.
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B. M. Krasovitskii and B. M. Bolotin, Organic Luminophores [in Russian], Khimiya, Leningrad (1976), p. 244.
F. Natalis and J. Franklin, J. Phys. Chem.,69, 2935 (1965).
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 956–958, July, 1980.
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Kamenskii, A.B., Smushkevich, Y.I., Livshits, A.I. et al. Synthesis of indole analogs of tolan. Chem Heterocycl Compd 16, 741–743 (1980). https://doi.org/10.1007/BF00557750
- Organic Chemistry