One-Pot Synthesis and Conformational Features of N,N‘-Disubstituted Ketene Aminals
摘要:
N,N'-Disubstituted ketene aminals are bioisosteres of thioureas and are useful building blocks in many synthetic operations. A convenient one-pot synthesis of N,N'-disubstituted ketene aminals from activated methylene compounds and isothiocyanates is described. Most of these aminals exist in rotameric equilibrium around the central Cdouble bondC bonds in solution, and the rotamers are stabilized by intramolecular hydrogen bonding both in solution and in solid states.
Non-peptidic immunoproteasome β5i-selective inhibitor as potential treatment for idiopathic pulmonary fibrosis: Virtual screening, hit evolution and lead identification
The immunoproteasome has emerged as a potential therapeutic target for idiopathic pulmonary fibrosis (IPF). We report herein our efforts to discover novel non-peptidic immunoproteasome inhibitors as potential treatment for IPF. A structure-based virtual screening was initially performed and the hit compound VS-7 with an IC50 of 9.437 μM against β5i was identified. Hit evolution based on the interaction
Phoon, Chee Wee; Sim, Mui Mui, Synlett, 2001, # 5, p. 697 - 699
作者:Phoon, Chee Wee、Sim, Mui Mui
DOI:——
日期:——
Facile synthesis of phthalidyl fused spiro thiohydantoins through silica sulfuric acid induced oxidative rearrangement of ninhydrin adducts of thioureas
作者:Subhro Mandal、Animesh Pramanik
DOI:10.1016/j.tet.2019.130817
日期:2020.1
A one-pot three-component sequential synthetic protocol produces structurally and biologically important phthalidyl fusedspiro N,N′-disubstituted thiohydantoins from readily available aromatic isothiocyanates, primary amines and ninhydrin. In this three-step synthesis while the initial two steps are catalyst-free, in the final step silica sulfuric acid (SSA) induces an oxidative rearrangement in [3
One-Pot Synthesis and Conformational Features of <i>N,N</i><i>‘</i>-Disubstituted Ketene Aminals
作者:Yan Shi、Jing Zhang、Nyeemah Grazier、Philip D. Stein、Karnail S. Atwal、Sarah C. Traeger、Sharon P. Callahan、Mary F. Malley、Michael A. Galella、Jack Z. Gougoutas
DOI:10.1021/jo0352528
日期:2004.1.1
N,N'-Disubstituted ketene aminals are bioisosteres of thioureas and are useful building blocks in many synthetic operations. A convenient one-pot synthesis of N,N'-disubstituted ketene aminals from activated methylene compounds and isothiocyanates is described. Most of these aminals exist in rotameric equilibrium around the central Cdouble bondC bonds in solution, and the rotamers are stabilized by intramolecular hydrogen bonding both in solution and in solid states.