Conclusions
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1.
By reaction of 2,3-dichloro-l,4-naphthoquinone with piperazine, benzoyl, andβ-cyanoethylpiperazine there were obtained the 3-piperazino derivatives of 2-chloro-l,4-naphthoquinone.
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2.
The N-alkylation and N-acylation of 2-chloro-3-piperazino-1,4-naphthoquinone was carried out.
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3.
Photolysis of N-acyl substituted piperazinonaphthoquinones in benzene or alcohol leads to the formation of l-(3-chloro-l,4-naphthoquinon-2-yl)-4-acyl-l,4,5,6-tetrahydropiperazine.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2332–2337, October, 1985.
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Shishkina, R.P., Berezhnaya, V.N. & Fokin, E.P. Synthesis and photochemical conversions of piperazine derivatives of 2-chloro-l,4-naphthoquinone. Russ Chem Bull 34, 2160–2164 (1985). https://doi.org/10.1007/BF00963254
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DOI: https://doi.org/10.1007/BF00963254