The novel diphenyl piperazine derivatives containing the phenyl substituted aminopropanol moiety, including 1-[4,4-bis(4-fluorophenyl)butyl]-4-[2-hydroxy-3-(phenylamino)propyl]piperazine 1, which were modified at the connective between the diphenyl and piperazine moieties, have been found to be potent dopamine uptake inhibitors. To study the further structure-activityrelationship (SAR) of these compounds
Nano-TiO<sub>2</sub>: An Efficient and Reusable Heterogeneous Catalyst for Ring Opening of Epoxides Under Solvent-Free Conditions
作者:Xi'an Chen、Huayue Wu、Shun Wang、Shaoming Huang
DOI:10.1080/00397911.2011.559608
日期:2012.8.15
Abstract Nano-TiO2 is an effective heterogeneouscatalyst for the ringopening of epoxides with aromatic amines to afford β-amino alcohols in good to excellent yields at room temperature under solvent-free conditions. It was found that the catalyst is recyclable, and the activity of the catalyst was not weakened markedly even after several reaction cycles. In addition, the catalytic activity of TiO2
Continuous organocatalytic flow synthesis of 2-substituted oxazolidinones using carbon dioxide
作者:Nicola Zanda、Leijie Zhou、Esther Alza、Arjan W. Kleij、Miquel À. Pericàs
DOI:10.1039/d2gc00503d
日期:——
organocatalytic continuous flow approach to promote the efficient synthesis of a small library of pharmaceutically relevant 2-substituted oxazolidinones, including the known drug Toloxatone. A packed bed reactor containing the same batch of immobilized catalyst could be applied for the continuous synthesis of a series of heterocyclic products over a two week period without significant changes in catalytic activity
聚苯乙烯负载的 1,5,7-triazabicyclodec-5-ene (TBD) 被用作高度可回收且稳定的催化剂,用于将环氧胺转化为各种 2-恶唑烷酮支架。该方法将使用 CO 2作为有吸引力、廉价且丰富的 C 1源与无卤有机催化连续流动方法相结合,以促进有效合成药学相关的 2-取代恶唑烷酮小型库,包括已知的药物 Toloxatone . 包含同一批固定化催化剂的填充床反应器可用于在两周内连续合成一系列杂环产品,而催化活性不会发生显着变化。
The 1,3-diamino-propan-2-ol series. I. N-Aryl derivatives