Synthesis of 14β-H antiprogestins
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Add time:09/27/2019 Source:sciencedirect.com
An efficient approach to 14β-H antiprogestins is described. The key step of the synthesis is a cleavage of 17-silyl dienol ethers 7 respectively 12, which are generated from the corresponding Δ14-17-ketones, with hydrogen fluoride-pyridine complex. This method gave access to 14β-H analogs of the 11β,19-bridged series (type A) as well as of the 10β-H,11β-aryl series (type B).
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