Journal of the Chemical Society. Perkin transactions I p. 3239 - 3242 (1988)
Update date:2022-08-05
Topics:
Ekhato, I. Victor
Robinson, Cecil H.
New 4-nitro and 4-amino 5α-steroids were made regioselectively from cholesterol via nitration of 3-acetoxy-5α-cholesta-1,3-diene (2).Nitration of enol acetate (2) gave 4α-nitro-5α-cholest-1-en-3-one (3), which was catalytically reduced to 4α-nitro-5α-chol
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