Conclusions
The reaction of 16-en-20-keto-steroids with carbethoxynitrene has been studied. The addition of carbethoxynitrene to the Δ16 bond took place exclusively at the α-region of the molecule with the formation of 16α,17α-carbethoxyepimino-20-keto-steroids.
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For communication 101, see [1].
Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 1, pp. 186–191, January, 1979.
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Kamernitskii, A.V., Istomina, Z.I., Serebryakov, E.P. et al. Modified steroids. 102. Approach to the synthesis of steroid 16,17-aziridines and stereospecificity of the photoinduced addition of carbethoxynitrene to steroid 16-en-20-ones. Russ Chem Bull 28, 173–178 (1979). https://doi.org/10.1007/BF00925418
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DOI: https://doi.org/10.1007/BF00925418