Summary
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1.
The synthesis of the four possible geometric isomers of 7-methoxy-l,2,3,4,4a,9,10,10a-octahydrophenanthrene-l, 2-dicarboxylic acid with a cis-connection of cycles has been achieved, and their configurations have been proved.
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2.
The possibility of conversion transformations of the cis-syn-cis-acid (III) has been established; this possibility explains the formation of two isomeric trans-acids (VI) and (V), and the cis-syn-cis-diester (XII).
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V. F. Kucherov, V. M. Andreev, and L. K. Lysanchuk, Izvest. Akad. Nauk SSSR, Otdel. Khim. Nauk, No.10 (1960).
I. N. Nazarov, V. F. Kucherov, and V. M. Andreev, Izvest. Akad. Nauk SSSR, Otdel. Khim. Nauk, 715 (1956).
V. M. Andreev, L. K. Lysanchuk, and V. F. Kucherov, Izvest. Akad. Nauk SSSR, Otdel. Khim. Nauk, No.10 (1960).
I. N. Nazarov and V. F. Kucherov, Izvest. Akad. Nauk SSSR, Otdel. Khim. Nauk, 298 (1955).
I. N. Nazarov, V. F. Kucherov, and V. M. Andreev, Izvest. Akad. Nauk SSSR, Otdel. Khim. Nauk, 1091 (1956).
V. F. Kucherov, V. M. Andreev, and I. N. Nazarov, Izvest. Akad. Nauk SSSR, Otdel. Khim. Nauk, 1244 (1959).
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Kucherov, V.F., Lysanchuk, L.K. & Andreev, V.M. A study in the field of the stereochemistry of cyclic compounds. Russ Chem Bull 9, 1860–1864 (1960). https://doi.org/10.1007/BF00907746
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DOI: https://doi.org/10.1007/BF00907746