التفاصيل البيبلوغرافية
| العنوان: |
Carbamate Synthesis Using a Shelf‐Stable and Renewable C1 Reactant. |
| المؤلفون: |
Dobi, Zoltán, Reddy, B. Narendraprasad, Renders, Evelien, Van Raemdonck, Laurent, Mensch, Carl, De Smet, Gilles, Chen, Chen, Bheeter, Charles, Sergeyev, Sergey, Herrebout, Wouter A., Maes, Bert U. W. |
| المصدر: |
ChemSusChem; 7/5/2019, Vol. 12 Issue 13, p3103-3114, 12p |
| مصطلحات موضوعية: |
REACTIVE distillation, BIOCHEMICAL substrates, ACID catalysts, LEWIS acids, CARBAMATES |
| مستخلص: |
4‐Propylcatechol carbonate is a shelf‐stable, renewable C1 reactant. It is easily prepared from renewable 4‐propylcatechol (derived from wood) and dimethyl carbonate (derived from CO2) using a reactive distillation system. In this work, the 4‐propylcatechol carbonate is used for the two‐step synthesis of carbamates under mild reaction conditions. In the first step, 4‐propylcatechol carbonate is treated with an alcohol at 50–80 °C in the presence of a Lewis acid catalyst, such as Zn(OAc)2⋅2 H2O. With liquid alcohols, no solvent is used and with solid alcohols 2‐methyltetrahydrofuran is used as solvent. In the second step, the alkyl 2‐hydroxy‐propylphenyl carbonate intermediates obtained react with amines at room temperature in 2‐methyltetrahydrofuran, forming the target carbamates and the byproduct 4‐propylcatechol, which can be recycled into a carbonate reactant. [ABSTRACT FROM AUTHOR] |
|
Copyright of ChemSusChem is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) |
| قاعدة البيانات: |
Complementary Index |