Direct synthesis of polyureas from the dehydrogenative coupling of diamines and methanol

Amit Kumar; Daniel Armstrong; Gavin Peters; Manjula Nagala; Sally Lorna Shirran

doi:10.1039/D1CC01121A

Direct synthesis of polyureas from the dehydrogenative coupling of diamines and methanol

Amit Kumar^*, Daniel Armstrong, Gavin Peters, Manjula Nagala, Sally Lorna Shirran

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

We report here the first example of the direct synthesis of polyureas from the dehydrogenative coupling of diamines and methanol using a ruthenium pincer catalyst. The present methodology replaces the use of toxic diisocyanates, conventionally used for the production of polyureas, with methanol, which is renewable, less toxic, and cheaper, making the overall process safer and more sustainable. Further advantages of the current method have been demonstrated by the synthesis of a renewable, a chiral, and the first ¹³C-labelled polyurea.

Original language	English
Pages (from-to)	6153-6156
Number of pages	4
Journal	Chemical Communications
Volume	57
Issue number	50
Early online date	21 May 2021
DOIs	https://doi.org/10.1039/D1CC01121A
Publication status	Published - 25 Jun 2021

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SDG 7 Affordable and Clean Energy

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10.1039/D1CC01121ALicence: CC BY

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Copyright © 2021 The Author(s). Open Access. This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Final published version, 1.7 MBLicence: CC BY

Cite this

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title = "Direct synthesis of polyureas from the dehydrogenative coupling of diamines and methanol",

abstract = "We report here the first example of the direct synthesis of polyureas from the dehydrogenative coupling of diamines and methanol using a ruthenium pincer catalyst. The present methodology replaces the use of toxic diisocyanates, conventionally used for the production of polyureas, with methanol, which is renewable, less toxic, and cheaper, making the overall process safer and more sustainable. Further advantages of the current method have been demonstrated by the synthesis of a renewable, a chiral, and the first 13C-labelled polyurea.",

author = "Amit Kumar and Daniel Armstrong and Gavin Peters and Manjula Nagala and Shirran, \{Sally Lorna\}",

note = "AK thanks the Leverhulme Trust for an early career fellowship.",

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AU - Kumar, Amit

AU - Armstrong, Daniel

AU - Peters, Gavin

AU - Nagala, Manjula

AU - Shirran, Sally Lorna

N1 - AK thanks the Leverhulme Trust for an early career fellowship.

PY - 2021/6/25

Y1 - 2021/6/25

N2 - We report here the first example of the direct synthesis of polyureas from the dehydrogenative coupling of diamines and methanol using a ruthenium pincer catalyst. The present methodology replaces the use of toxic diisocyanates, conventionally used for the production of polyureas, with methanol, which is renewable, less toxic, and cheaper, making the overall process safer and more sustainable. Further advantages of the current method have been demonstrated by the synthesis of a renewable, a chiral, and the first 13C-labelled polyurea.

AB - We report here the first example of the direct synthesis of polyureas from the dehydrogenative coupling of diamines and methanol using a ruthenium pincer catalyst. The present methodology replaces the use of toxic diisocyanates, conventionally used for the production of polyureas, with methanol, which is renewable, less toxic, and cheaper, making the overall process safer and more sustainable. Further advantages of the current method have been demonstrated by the synthesis of a renewable, a chiral, and the first 13C-labelled polyurea.

UR - https://www.scopus.com/pages/publications/85108668930

U2 - 10.1039/D1CC01121A

DO - 10.1039/D1CC01121A

M3 - Article

SN - 1359-7345

VL - 57

SP - 6153

EP - 6156

JO - Chemical Communications

JF - Chemical Communications

IS - 50

ER -

Direct synthesis of polyureas from the dehydrogenative coupling of diamines and methanol

Abstract

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New Directions in Catalysis: New Directions in Catalysis for Sustainable Organic synthesis and Energy Storage