发明名称 |
3alpha,5-Cyclo-22,23-dihydroxy-5alpha,steroid compounds. |
摘要 |
<p>New steroid compounds of the general formula:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="34" wi="91" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein X is a hydroxyl group and Y is a hydrogen atom, or X and Y, taken together, form an oxo group; each of the two R' radicals is independently a hydrogen atom, an acyl group, a silyl group, an alkoxycarbonyl group or a benzyl group, or the two R' radicals, taken together, form an alkylidene or a carbonyl group, the stereo-configuration at the 22- and 23-positions being either 22R and 23R or 22S and 23S; and R" and R''' are independently of each other a hydrogen atom or a lower alkyl group, as well as processes for preparing same. These new steroid compounds are valuable intermediates for brassinolide and its analogues useful as plant hormones.</p> |
申请公布号 |
EP0201042(A2) |
申请公布日期 |
1986.11.12 |
申请号 |
EP19860105961 |
申请日期 |
1986.04.30 |
申请人 |
FUJI YAKUHIN KOGYO KABUSHIKI KAISHA;NATIONAL FEDERATION OF AGRICULTURAL CO-OPERATIVE ASSOCIATIONS |
发明人 |
ABURATANI, MASAKAZU;TAKEUCHI, TADASHI;MORI, KENJI |
分类号 |
C07J9/00;C07J11/00;C07J17/00;C07J53/00;C07J71/00;C07J73/00 |
主分类号 |
C07J9/00 |
代理机构 |
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代理人 |
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地址 |
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