SCHEDULED MAINTENANCE
The reaction between an 18-hydroxypregnan-20-one [in the hemiacetal form (1b)] and lead tetra-acetate gives the 21-acetoxy-derivative in high yield, opening the way to a new and efficient synthesis of 18-hydroxydeoxycorticosterone. The preparation of the 1,2-didehydro-derivative of 18-hydroxydeoxycorticosterone is also described.
D. N. Kirk and M. S. Rajagopalan, J. Chem. Soc., Perkin Trans. 1, 1975, 1860 DOI: 10.1039/P19750001860
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