Abstract
The corresponding 2-(3-benzoyl-2-propen-1-ylidene)indolines, which exist in the form of merocyanines and do not display tendencies to undergo intramolecular cyclization to the spiro form, were obtained as a result of the reaction of 1,3,3-trimethyl-2-methyleneindoline and its analogs with p-substituted benzoylacetaldehydes.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 202–206, February, 1981.
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Sidorov, A.P., Gal'bershtam, M.A. & Przhiyalgovskaya, N.M. Reaction of a Fischer base and its derivatives with benzoylacetaldehydes. Chem Heterocycl Compd 17, 143–147 (1981). https://doi.org/10.1007/BF00507245
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DOI: https://doi.org/10.1007/BF00507245