Steroids cclix11Part CCLVIII. J. Romo, L. Rodriguez-Hahn, P. Joseph-Nathan, M. Martínez and P. Crabbe. Bull. Soc.Chim. France (submitted for publication).. The synthesis of 5β,19 and 6β,19-cyclo steroids
Abstract The solvolysis of 3β,19-dihydroxyandrost-5-ene-17-one-3-acetate 19-tosylate (Ib) led to the Δ6-5, 19-cyclo steroid IIa or a variety of 6α-substituted 5,19-cyclopropanes V depending upon the reaction conditions. The possibility that these reactions proceed through an intermediate homoallylic bridged cation is discussed. The formation of 6β,19-cyclobutanes from 19-hydroxyandrost-4-ene 3,17-dione
STEROID DERIVATIVE REGULATORS, METHOD FOR PREPARING THE SAME, AND USES THEREOF
申请人:Jiangsu Hansoh Pharmaceutical Group Co., Ltd.
公开号:EP3750909A1
公开(公告)日:2020-12-16
The present invention relates to steroid derivative regulators, a method for preparing the same, and uses thereof. Specifically, the present invention relates to a compound as shown in formula (I), a preparation method therefor, a pharmaceutical composition containing the compound, and uses thereof as a regulator of GABA A receptor for treating depression, convulsion, Parkinson's disease, and nervous system diseases, wherein the substituents of the formula (I) are as defined in the description.
本发明涉及类固醇衍生物调节剂、其制备方法及其用途。具体而言,本发明涉及一种如式(I)所示的化合物、其制备方法、含有该化合物的药物组合物及其作为 GABA A 受体调节剂用于治疗抑郁症、抽搐、帕金森病和神经系统疾病的用途,其中式(I)的取代基如描述中所定义。
6β,19-Bridged androstenedione analogs as aromatase inhibitors
Inhibition of aromatase is an efficient approach for the prevention and treatment of breast cancer. New 6 beta,19-bridged steroid analogs of androstenedione, 6 beta,19-epithio- and 6 beta,19-methano compounds 11 and 17, were synthesized starting from 19-hydroxyand rostenedione (6) and 19-formylandrost-5-ene-3 beta,17 beta-yl diacetate (12), respectively, as aromatase inhibitors. All of the compounds including known steroids 6 beta,19-epoxyandrostenedione (4) and 6 beta,19-cycloandrostenedione (5) tested were weak to poor competitive inhibitors of aromatase and, among them, 6 beta,19-epoxy steroid 4 provided only moderate inhibition (K-i: 2.2 mu M). These results show that the 6 beta,19-bridged groups of the inhibitors interfere with binding in active site of aromatase. (C) 2009 Elsevier Inc. All rights reserved.
Steroids. CCLXXVIII.<sup>1</sup> Reductions of 19-Substituted Androst-4-en-3-ones and Related Compounds
作者:L. H. Knox、E. Blossey、H. Carpio、L. Cervantes、P. Crabbé、E. Velarde、J. A. Edwards