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ChemInform Abstract: Ring Expansion of Fused Cyclopropylketones. Synthesis of a 12(13 . fwdarw. 18)-abeo-Pregnane.
First published: June 4, 1996
Abstract
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ChemInform Abstract
The key step in the synthesis of the steroid hormone analogue (V) is the ring expansion of the cyclopropylketone (IV) using a base-mediated ionic rearrangement.
