Title:
【発明の名称】3α,5-シクロ-22,23-ジヒドロキシ-5α-ステロイド化合物
Document Type and Number:
Japanese Patent JP2617706
Kind Code:
B2
Abstract:
New steroid compounds of the general formula: (A) 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, 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.
Inventors:
Yutani Masakazu
Takeuchi Tada
Kenji Mori
Takeuchi Tada
Kenji Mori
Application Number:
JP9219985A
Publication Date:
June 04, 1997
Filing Date:
May 01, 1985
Export Citation:
Assignee:
Fuji Pharmaceutical Co., Ltd.
International Classes:
C07J9/00; C07J11/00; C07J17/00; C07J53/00; C07J71/00; C07J73/00; (IPC1-7): C07J53/00
Domestic Patent References:
| JP59181300A |
Other References:
Ｊ．ＡＭ．ＣＨＥＭ．ＳＯＣ．Ｖｏｌ．１０５ Ｎｏ．１３（１９８０）Ｐ．６５８０−６５８１
Attorney, Agent or Firm:
Nobuo Kawakami