Conclusions
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1.
A new variation was developed for the synthesis of doisynolic acid derivatives without the B ring by the diene condensation of 1,4-dimethyl-2-p-anisyl-1,3-butadiene with trans-crotonic acid.
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2.
The structure of the formed adducts was established by spectral methods, and by their conversion to diphenyl derivatives, obtained by counter synthesis.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 588–594, March, 1971.
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Akhrem, A.A., Kulikova, L.E., Levina, I.S. et al. Analogs of steroid compounds without the B ring. Russ Chem Bull 20, 520–524 (1971). https://doi.org/10.1007/BF00852043
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DOI: https://doi.org/10.1007/BF00852043