Microwave-assisted synthesis of porous organic cages CC3 and CC2

CrystEngComm ◽  
2019 ◽  
Vol 21 (31) ◽  
pp. 4534-4537 ◽  
Author(s):  
Jolie Lucero ◽  
Carla Osuna ◽  
James M. Crawford ◽  
Moises A. Carreon

The microwave synthesis of two prototypical porous organic cages, denoted as CC3 and CC2 is demonstrated.

2016 ◽  
Vol 721 ◽  
pp. 383-388
Author(s):  
Reinis Drunka ◽  
Jānis Grabis ◽  
Dzidra Jankovica ◽  
Aija Krūmiņa

In the present work formation of macro-size TiO2 nanofiber layers in microwave synthesis were studied. Anatase nanopowder and 10M KOH solution were used as raw materials. Microwave assisted synthesis method permitted to obtain TiO2 nanofibres containing individual nanowires with a diameter of 5nm and a specific surface area up to 129m2/g. Macro size layer of TiO2 nanofibers was obtained on the surface of microwave vessel. Total surface area covered with TiO2 was about 390cm2. Modification with platinum allows to increase photocatalytical activity of TiO2 macro size fiber layer up to 94.4% in UV irradiation and up to 11.6% under visible light irradiation.


2016 ◽  
Vol 6 (23) ◽  
pp. 8257-8267 ◽  
Author(s):  
Francisco Gonell ◽  
David Portehault ◽  
Beatriz Julián-López ◽  
Karine Vallé ◽  
Clément Sanchez ◽  
...  

One-step microwave synthesis allows one to tune WOx species and ZrO2 polymorphs showing different activities in acid reactions.


RSC Advances ◽  
2019 ◽  
Vol 9 (67) ◽  
pp. 39367-39380 ◽  
Author(s):  
Waldemar Tejchman ◽  
Bartosz Orwat ◽  
Izabela Korona-Głowniak ◽  
Anna Barbasz ◽  
Ireneusz Kownacki ◽  
...  

An efficient microwave-assisted synthesis of rhodanine and 2-thiohydantoin derivatives, and the correlation between their chemical structure and biological properties is reported.


2013 ◽  
Vol 2013 ◽  
pp. 1-8 ◽  
Author(s):  
A. V. Chavan ◽  
R. R. Somani ◽  
P. P. Kalantri ◽  
D. T. Makhija

The use of microwave energy for the synthesis is considered as one of the alternate strategies. The present work includes the synthesis of some newer 2,5-disubstituted-1,3,4-oxadiazole analogues using both conventional and alternate rapid methods.The conventional method involves the synthesis of the target molecules by using cyclodehydrating agent like POCl3, while the other method consists of using some catalytic reagents like PbO2. Also, the short reaction time provided by microwave synthesis makes it ideal for the reaction. Hence, this project describes an efficient and operationally simple method for the microwave-assisted synthesis of some bioactive heterocycles based on NSAIDs.


2014 ◽  
Vol 68 (1) ◽  
pp. 1-14 ◽  
Author(s):  
Dusan Mijin ◽  
Jelena Markovic ◽  
Danijela Brkovic ◽  
Aleksandar Marinkovic

2-Pyridones are important heterocyclic compounds that are widely used in medical chemistry, and their various derivatives have significant biological and medical applications. In this paper, the synthesis of 2-pyridones as well as 2-pyridone based compounds such as 2-quinolones using microwave assisted organic chemistry is reviewed. The review is divided in three parts. In the first part, microwave synthesis of 2-pyridones according to the type of condensation is discussed. In the second part, microwave assisted synthesis of 2-quionolones is listed. At the end of the review several examples of microwave synthesis of other 2-pyridone based compounds (ring fused N-substituted 2-pyridones) are given.


RSC Advances ◽  
2015 ◽  
Vol 5 (12) ◽  
pp. 8622-8629 ◽  
Author(s):  
Xuyang Wang ◽  
Jianjun Tian ◽  
Chengbin Fei ◽  
Lili Lv ◽  
Yajie Wang ◽  
...  

Hierarchical TiO2 nanocrystallite aggregates are obtained by microwave synthesis in a few minutes, and they show high light scattering and larger surface area as well as improve the performance of dye-sensitized solar cells.


2016 ◽  
Vol 45 (6) ◽  
pp. 381-407 ◽  
Author(s):  
Galal H. Elgemeie ◽  
Doaa M. Masoud

Purpose This paper aims to focus on the most popular technique nowadays, the use of microwave irradiation in organic synthesis; in a few years, most chemists will use microwave energy to heat chemical reactions on a laboratory scale. Also, many scientists use microwave technology in the industry. They have turned to microwave synthesis as a frontline methodology for their projects. Microwave and microwave-assisted organic synthesis (MAOS) has emerged as a new “lead” in organic synthesis. Design/methodology/approach Using microwave radiation for synthesis and design of fluorescent dyes is of great interest, as it decreases the time required for synthesis and the synthesized dyes can be applied to industrial scale. Findings The technique offers many advantages, as it is simple, clean, fast, efficient and economical for the synthesis of a large number of organic compounds. These advantages encourage many chemists to switch from the traditional heating method to microwave-assisted chemistry. Practical implications This review highlights applications of microwave chemistry in organic synthesis for fluorescent dyes. Fluorescents are a fairly new and very heavily used class of organics. These materials have many applications, as a penetrant liquid for crack detection, synthetic resins, plastics, printing inks, non-destructive testing and sports ball dyeing. Originality/value The aim value of this review is to define the scope and limitation of microwave synthesis procedures for the synthesis of novel fluorescent dyes via a simple and economic way.


2020 ◽  
Vol 57 (3) ◽  
pp. 265-272
Author(s):  
Priya S. Singh ◽  
Aizaz Shaikh ◽  
Aditi Deshmukh ◽  
Amit P. Pratap

Sign in / Sign up

Export Citation Format

Share Document