Conclusions
-
1.
The reaction of 16α,17α-oxides of 16β-methylsteroids with H2SO4 in (CH3CO)2O leads to the formation of the 16,17-cyclosulfates of 16α,17α-diols.
-
2.
Replacing the 20-keto group by either the hydrazone or the acetoxy group does not change the direction of the reaction.
-
3.
The discovered reaction also takes place in the case of the monocyclic ditertiary oxides.
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See [1] for Communication 62.
Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 416–422, February, 1974.