Sustainable Carboxylation of Diamines with Hydrogen Carbonate

被引：0

作者：

Forte, Gianpiero ^{[1
]}

Chiarotto, Isabella ^{[1
]}

Richter, Frank ^{[2
]}

Vinh Trieu ^{[2
]}

Feroci, Marta ^{[1
]}

机构：

[1] Sapienza Univ Roma, Dipartimento Sci Base & Applicate Ingn, Via Castro Laurenziano, I-00161 Rome, Italy

[2] Covestro Deutschland AG, Kaiser Wilhelm Allee 60, D-51365 Leverkusen, Germany

来源：

ORGANIC PROCESS RESEARCH & DEVELOPMENT | 2018年 / 22卷 / 09期

关键词：

Carboxylation; carbamates; diamines; green chemistry; atom economy; IONIC LIQUIDS; ELECTROCHEMICAL ACTIVATION; CARBAMATE ESTERS; DIOXIDE; CO2; AMINES; MILD;

D O I：

10.1021/acs.oprd.8b00229

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A protocol for the carboxylation of diamines employing quaternary ammonium hydrogen carbonates as Cl source is presented. The approach is used to obtain industrially relevant bis-O-alkyl carbamates with diverse structural features in very high yield, even on gram scale. The quaternary ammonium salts, formally acting as "transporters" of the carboxylating agent, can be recovered after the reaction, and recycled with high efficiency. Regeneration of the hydrogen carbonates on ion-exchange resin grants excellent atom economy in the process.

引用

页码：1323 / 1327

页数：5

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