Abstract
New spiropyrans with π-acceptor azomethine and ketovinyl substituents in the 8′ position were synthesized using the functional possibilities of the carbonyl group. The structures of the compounds obtained and their photochromic properties in 2-propanol at −70°C were studied.
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For Communication 17 see [1].
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 176–179, February, 1993.
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Luk'yanov, B.S., Nivorozhkin, L.E. & Minkin, V.I. Photo- and thermochromic spirans. Chem Heterocycl Compd 29, 152–154 (1993). https://doi.org/10.1007/BF00531656
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DOI: https://doi.org/10.1007/BF00531656