Conclusions
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1.
The oxidation the isomers of 7-acetoxy-Δ4-dodecahydro-4b-methyl-1,2-dicarboxylic acid and its diester with trans annellation of the A and B rings and a cis arrangement of the carboxyls and the angular methyl group with peroxyacetic acid goes stereospecifically and leads to epoxides in which the epoxide ring is trans relative to the carboxy groups. On the other hand, the analogous oxidation of the anhydride of the same steric series leads to the isomer with the cis arrangement of these groups.
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2.
The configurations of the epoxides obtained were determined on the basis of some transformations of these compounds and an examination of molecular models.
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V. F. Kucherov, I. M. Mil'shtein, and I. A. Gurvich, Zh. obshch. khimii32, 765 (1962).
V. F. Kucherov, G. M. Segal', and I. N. Nazarov, Izv. AN SSSR. Otd. khim. n.1959, 673, 682; V. F. Kucherov, G. M. Segal', and I. N. Nazarov, Zh. obshch. khimii29, 804 (1959).
D. H. R. Barton and C. I. W. Brooks, J. Chem. Soc.1951, 257.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 875–878, May, 1966.
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Gurvich, I.A., Mil'shtein, I.M. & Kucherov, V.F. Stereochemistry of cyclic compounds Communication 65. Stereochemistry of the oxidation of one of the geometric isomers of 7-acetoxy-Δ4-dodecahydro-4b-methyl-1,2-phenanthrenedicarboxylic acid and its derivatives. Russ Chem Bull 15, 837–839 (1966). https://doi.org/10.1007/BF00849382
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DOI: https://doi.org/10.1007/BF00849382