Formation of 17beta-alkoxy-16-keto steroids by reaction of 16alpha-hydroxy-17-keto and 17beta-hydroxy-16-keto steroids with trimethylsilyl iodide in the presence of alkyl alcohols.

DOI: 10.1248/cpb.48.1215

Source and publish data:

Chemical and pharmaceutical bulletin p. 1215 - 1218 (2000)

Update date:2022-08-22

Topics:

Authors:

Nagaoka Nagaoka

Endo Endo

Numazawa

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Article abstract of DOI:10.1248/cpb.48.1215

16Alpha-hydroxy-17-keto steroids, 1, 3, and 8, and their 17beta-hydroxy-16-keto isomers, 4, 5, and 9, were transformed into the corresponding 17beta-alkoxy-16-keto derivatives on treatment with trimethylsilyl iodide (TMSI) in the presence of alkyl alcohol in CHCl3 in poor to high yields.

Full text of DOI:10.1248/cpb.48.1215

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