Conclusions
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1.
A method has been developed for synthesis of ethynylanthraquinones by condenstion of the corresponding iodo derivatives with 2-methyl-3-butyn-2-ol and base cleavage of the resulting anthraquinoylacetylenic alcohols.
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2.
Acetylenic condensation of iodo derivatives has been carried out for the first time in aqueous-organic media with a Pd-Cu catalyst and Na2CO3 leading to a considerable acceleration of the reaction.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 828–832, April, 1987.
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Piskunov, A.V., Moroz, A.A. & Shvartsberg, M.S. Synthesis of ethynylanthraquinones. Russ Chem Bull 36, 755–759 (1987). https://doi.org/10.1007/BF00962314
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DOI: https://doi.org/10.1007/BF00962314