[EN] REACTIONS OF STANNYL CATIONS<br/>[FR] RÉACTIONS DE CATIONS STANNYLE
申请人:IMPERIAL INNOVATIONS LTD
公开号:WO2017212289A1
公开(公告)日:2017-12-14
The present invention relates to a method of reducing, cleaving and/or coupling at least one C=O, C-O, C=C or C=N bond of a compound, using a reagent comprising a stannyl cation.
Versatile One-Pot Reductive Alkylation of Lactams/Amides via Amide Activation: Application to the Concise Syntheses of Bioactive Alkaloids (±)-Bgugaine, (±)-Coniine, (+)-Preussin, and (−)-Cassine
Direct entry: One‐pot reductivealkylation of lactams/amides with Grignard reagents has been realized vialactam/amideactivation with Tf2O. This method opens a direct entry to α‐alkylated amines. The versatility of the method is illustrated by the concisesyntheses of bioactivealkaloids (±)‐bgugaine, (±)‐coniine, (+)‐preussin, and (−)‐cassine.
N-alkylation of amines by homogeneous ruthenium complexes in the presence of free diphosphines
作者:Bahareh Tamaddoni Jahromi、Ali Nemati Kharat
DOI:10.1080/00958972.2013.844340
日期:2013.10.10
Chemoselective N-alkylation of amines by ruthenium complexes in the presence of free diphosphine ligands under mild conditions is described. Octyl amine and aniline were chosen as aliphatic and aromatic amines to investigate the effect of different phosphines, reaction times, and temperature on conversion, as well as selectivity towards related secondary and tertiary amines. After optimization of the reaction
描述了在温和条件下在游离二膦配体存在下通过钌配合物对胺进行化学选择性 N-烷基化。选择辛胺和苯胺作为脂肪族和芳香族胺,以研究不同膦、反应时间和温度对转化率的影响,以及对相关仲胺和叔胺的选择性。在优化反应条件后,该催化体系用于其他胺的 N-烷基化,并显示出中等至非常好的产率。通过GC-MS监测反应产物。[Ru(NO3)2CO(PPh3)2] 具有单齿和双齿硝酸盐的晶体结构通过 X 射线晶体学分析确定。
METHODS AND COMPOUNDS FOR THE TREATMENT OF GENETIC DISEASE
申请人:DESIGN THERAPEUTICS, INC.
公开号:US20210283265A1
公开(公告)日:2021-09-16
The present disclosure relates to compounds and methods for modulating the expression of bean (brain expressed, associated with NEDD4) and treating diseases and conditions in which bean plays an active role. The compound can be a transcription modulator molecule having a first terminus, a second terminus, and oligomeric backbone, wherein: a) the first terminus comprises a DNA-binding moiety capable of noncovalently binding to a nucleotide repeat sequence TGGAA; b) the second terminus comprises a protein-binding moiety binding to a regulatory molecule that modulates an expression of a gene comprising the nucleotide repeat sequence TGGAA; and c) the oligomeric backbone comprising a linker between the first terminus and the second terminus.