Process for connecting side chain to androstane compound at 17th position
Process for connecting side chain to androstane compound at 17th position by using androstene 4-alkene-3,17 bisketone or androstene 1,4-bisketone contained in the raw material as main block and its 9[11] as double bonds, steroid compounds including oxygen atom on position 11, halogen or methyl on po...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | Process for connecting side chain to androstane compound at 17th position by using androstene 4-alkene-3,17 bisketone or androstene 1,4-bisketone contained in the raw material as main block and its 9[11] as double bonds, steroid compounds including oxygen atom on position 11, halogen or methyl on position 6, to substance containing 3,5[6]-diene-3-ethyoxyl, to substance containing 17-(2-diethyl malonate) alkene, to substance containing 17(20) alkene-21-carboxylic ethyl ester, to substance containing 4.17(20) diene-21-hydroxide, to substance containing 21-acetic ester, to substance containing 17.20-bishydroxyl, and the 17 hydroxyl and 20 ketone are produced through selective oxidation process. |
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