Abstract
Steroidal 1,4,6-trien-3-ones which are precursors of 1α-hydroxylated vitamin D and its analogs were synthesized starting from 3β-hydroxy-Δ5-20-dihydroisoxazolyl steroids and their open-chain derivatives.
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Litvinovskaya, R.P., Koval', N.V. & Khripach, V.A. Modification of A and B Rings in 20-Dihydroisoxazolyl Steroids and Their Derivatives with a Functionalized Side Chain. Russian Journal of Organic Chemistry 38, 355–360 (2002). https://doi.org/10.1023/A:1016373807105
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DOI: https://doi.org/10.1023/A:1016373807105