为改进皮质抑素 A 和相关结构的合成以及策略的基本逻辑和演变提供了完整的细节。嵌入关键杂金刚烷的高度功能化的皮质抑素 A 环是通过简单且可扩展的五步序列合成的。未活化甲基的化学选择性串联双卤化、溴环丙烷的还原断裂/捕获/消除和简便的化学选择性醚化反应提供了皮质抑素 A 核心,称为“皮质他汀酮”。用 Raney Ni 选择性还原 Δ(16)-烯烃提供了皮质抑素 A。通过这种可扩展且实用的途径,大量的皮质抑素、Δ(16)-皮质抑素 A(皮质抑素 A 的等效直接前体)及其相关类似物被为进一步的生物学研究做好准备。
A concise, diastereoselective totalsynthesis of (±)-cortistatinJ has been completed in 20 steps from furan. Key steps include an intramolecular [4 + 3] cyclization of a disubstituted furan with a (Z)-2-(trialkylsilyloxy)-2-enal to construct the tetracyclic core and a (Z)-vinylsilane/iminium ion cyclization to form the A ring.
[EN] STEREOSELECTIVE SYNTHESIS OF 17-a -AND 17-ß -ARYL STEROIDAL COMPOUNDS<br/>[FR] SYNTHÈSE STÉRÉOSÉLECTIVE DE COMPOSÉS STÉROÏDES 17-? -ET 17-? -ARYLE
申请人:SCRIPPS RESEARCH INST
公开号:WO2009137337A1
公开(公告)日:2009-11-12
A process for forming one or the other of a 17-α-aryl or 17-β-aryl steroidal compound in diastereo excess is disclosed. The process utilizes a 17-keto steroid to form a Δ16-17-aryl-steroid compound or a 17-β-hydroxy-17-α-aryl steroid compound that are reduced or deoxygenated, respectively, in the presence of Raney nickel to form a 17-β-aryl- steroid or 17-α-aryl steroid, respectively, in a diastereo ratio of at least 3:1.
[EN] STEROIDAL COMPOUND DERIVATIVES AS THERAPEUTIC AGENTS<br/>[FR] DÉRIVÉS DE COMPOSÉS STÉROÏDIENS UTILISÉS EN TANT QU'AGENTS THÉRAPEUTIQUES
申请人:UNIV OF FLORIDA RESEARCH FOUNDATION INCORPORTED
公开号:WO2022133265A1
公开(公告)日:2022-06-23
The disclosure relates to compounds of Formula (I), as well as compositions, methods, uses, and kits comprising the same. The compounds, compositions, methods, uses, and kits provided herein are useful in treating diseases or disorders including cancer, HIV, and angiogenesis-related disorders.
Shi, Jun; Shigehisa, Hiroki; Guerrero, Carlos A., Angewandte Chemie - International Edition, 2009, vol. 48, p. 4328 - 4331
作者:Shi, Jun、Shigehisa, Hiroki、Guerrero, Carlos A.、Shenvi, Ryan A.、Li, Chuang-Chuang、Baran, Phil S.
DOI:——
日期:——
Enantioselective Synthesis of (+)-Cortistatin A, a Potent and Selective Inhibitor of Endothelial Cell Proliferation
作者:Hong Myung Lee、Cristina Nieto-Oberhuber、Matthew D. Shair
DOI:10.1021/ja8071918
日期:2008.12.17
This manuscript describes an enantioselective synthesis of the naturally occurring inhibitor of endothelial cell proliferation, cortistatin A. Key steps of the synthesis are a silicate-directed elimination/ring expansion reaction and a highly diastereoselective aza-Prins cyclization with a subsequent transannular etherification.