[EN] MODULATORS OF INDOLEAMINE 2,3-DIOXYGENASE<br/>[FR] MODULATEURS D'INDOLAMINE 2,3-DIOXYGÉNASE
申请人:GLAXOSMITHKLINE INTELLECTUAL PROPERTY (NO 2) LTD
公开号:WO2017051354A1
公开(公告)日:2017-03-30
Provided are compounds and pharmaceutically acceptable salts thereof, their pharmaceutical compositions, their methods of preparation, and methods for their use in the prevention and/or treatment of HIV; including the prevention of the progression of AIDS and general immunosuppression.
Gonadotropin-releasing hormone receptor antagonists and methods relating thereto
申请人:Neurocrine Biosciences, Inc.
公开号:US20030109535A1
公开(公告)日:2003-06-12
GnRH receptor antagonists are disclosed which have utility in the treatment of a variety of sex-hormone related conditions in both men and women. The compounds of this invention have the structure:
1
wherein A, R
1
, R
2
, R
3a
, R
3b
, R
4
, R
5
, R
6
, and n are as defined herein, including stereoisomers, prodrugs and pharmaceutically acceptable salts thereof. Also disclosed are compositions containing a compound of this invention in combination with a pharmaceutically acceptable carrier, as well as methods relating to the use thereof for antagonizing gonadotropin-releasing hormone in a subject in need thereof.
Directed β C–H Amination of Alcohols via Radical Relay Chaperones
作者:Ethan A. Wappes、Kohki M. Nakafuku、David A. Nagib
DOI:10.1021/jacs.7b05214
日期:2017.8.2
for β C-H amination of alcohols has been developed. This approach employs a radical relay chaperone, which serves as a traceless director that facilitates selective C-H functionalization via 1,5-hydrogen atom transfer (HAT) and enables net incorporation of ammonia at the β carbon of alcohols. The chaperones presented herein enable direct access to imidate radicals, allowing their first use for H atom
已经开发了一种自由基介导的醇类 β CH 胺化策略。该方法采用自由基中继伴侣,作为无痕导向剂,通过 1,5-氢原子转移 (HAT) 促进选择性 CH 官能化,并使氨在醇的 β 碳上净结合。本文介绍的分子伴侣能够直接访问亚胺酸酯自由基,从而使其首次用于 H 原子提取。简化的方案能够将醇快速转化为它们的 β-氨基类似物(通过将醇原位转化为亚胺酸酯、定向 CH 胺化和水解为 NH2)。机械实验表明 HAT 是限速的,而分子内胺化是产物和立体决定。
Intramolecular Nucleophilic Deselenenylation Reactions Promoted by Benzeneselenenyl Triflate. Stereospecific Synthesis of Vicinal Amino Alcohol Precursors
nitrogen nucleophilic substituents, readily undergoes intramolecular nucleophilic displacement to afford azido-substituted heterocyclic compounds. This intramolecular substitution occurs with inversion of configuration at the carbon atom bearing the selenium atom. Starting from acetamido selenides and carbamato selenides, a stereocontrolled synthesis of the vicinal amino alcohol precursor oxazolines and
Various alkenes (internal, terminal, aryl and alkyl substituted) and 1,2-diphenylethyne were efficiently and selectively dibrominated using 2 equivalents of 48% aqueous hydrobromicacid, with air as an oxidant and sodiumnitrite as a catalyst. Despite the presence of water, only trans dibromination occurred producing anti-1,2-dibromoalkanes and (E)-1,2-dibromo-1,2-diphenylethene. A comparison of resource