Synthesis of Diverse Nitrogen Heterocycles <i>via</i>
Palladium-Catalyzed Tandem Azide-Isocyanide Cross-Coupling/Cyclization: Mechanistic Insight using Experimental and Theoretical Studies
作者:Arshad J. Ansari、Ramdas S. Pathare、Antim K. Maurya、Vijai K. Agnihotri、Shahnawaz Khan、Tapta Kanchan Roy、Devesh M. Sawant、Ram T. Pardasani
DOI:10.1002/adsc.201700928
日期:2018.1.17
A rapid and elegant tandem azide–isocyanide cross‐coupling/cyclization protocol has been developed based on a nitrene transfer reaction. The palladium‐catalyzed ligand‐free methodology led to the synthesis of three different heterocyclic scaffolds with excellent atom/step/redox economy. Studies based on first‐principles‐based quantum calculations and control experiments unraveled a concerted process
[EN] NOVEL CLOSTRIDIUM DIFFICILE TOXIN INHIBITORS<br/>[FR] NOUVEAUX INHIBITEURS DE TOXINE DE CLOSTRIDIUM DIFFICILE
申请人:VENENUM BIODESIGN LLC
公开号:WO2017214359A1
公开(公告)日:2017-12-14
The present invention relates to benzodiazepine derivative compounds of formula (I), or pharmaceutically acceptable salts thereof. The present benzodiazepine compounds are useful Clostridium difficile inhibitors in the treatment of Clostridium difficile infection in humans. The present invention provides a pharmaceutical composition containing benzodiazepine compounds of formula (I) and a method of making as well as a method of using the same in treating patients infected with Clostridium difficile infection by administering the same. The compounds of the present invention may be used in combination with additional antibiotics or anti-toxin antibody drugs.
3-AMINO-INDAZOLE OR 3-AMINO-4,5,6,7-TETRAHYDRO-INDAZOLE DERIVATIVES
申请人:Benson Gregory Martin
公开号:US20100076026A1
公开(公告)日:2010-03-25
This invention relates to novel indazole derivatives of formula I:
wherein R
1
to R
7
are as defined in the description and in the claims, as well as physiologically acceptable salts thereof. These compounds are FXR modulators and can be used as medicaments.
One-Pot Synthesis of Triazoloquinazolinones<i>via</i>Copper- Catalyzed Tandem Click and Intramolecular CH Amidation
作者:Manikandan Selvaraju、Chung-Ming Sun
DOI:10.1002/adsc.201301013
日期:2014.4.14
novel and highly efficient copper‐catalyzed tandem synthesis of triazoloquinazolinones is explored. The synthetic strategy involves a sequential one‐pot click reaction followed by aerobic intramolecularCHamidation. Two distinct and important transformations were carried out in one‐pot by employing a single cost‐effective copper catalyst. The milder, rapid and ligand‐free reaction conditions as well
A reliable one-pot synthesis of aryl azides from aryl amines using organotin azides as effective and recoverable reagents
作者:Leonela Godoy Prieto、Marcos J. Lo Fiego、Alicia B. Chopa、María T. Lockhart
DOI:10.1016/j.jorganchem.2016.11.037
日期:2017.2
procedure based on the one-pot diazotization-azidodediazoniation of aromatic amines is described. A wide range of aryl azides are obtained in moderate to high yields by using tributyltin azide as an effective and reusable azide source in the presence of p-toluenesulfonic acid at room temperature. The method was also successfully applied employing an insoluble polymer-supported organotin azide.