Skip to content
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Menu
Home
About Us
Resources
Profiles Metrics
Authors Directory
Institutions Directory
Top Authors
Top Institutions
Top Sponsors
AI Digest
Contact Us
Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
COMU: A safer and more effective replacement for benzotriazole-based uronium coupling reagents
Chemistry - A European Journal, Volume 15, No. 37, Year 2009
Notification
URL copied to clipboard!
Description
We describe a new family of uronium-type coupling reagents that differ in their iminium moieties and leaving groups. The presence of the morpholino group in conjunction with an oxime derivative-especially ethyl 2-cy ano-2- (hydroxyimino) acet ate (Oxyma)-had a marked influence on the solubilities, stabilities, and reactivities of the reagents. Finally, the new uronium salt derived from Oxyma (COMU) performed extremely well in the presence of only 1 equiv of base, thereby confirming the effect of the hydrogen bond acceptor in the reaction. COMU also showed a less hazardous safety profile than the benzotriazolebased HDMA and HDMB, which exhibited unpredictable autocatalytic decompositions. Furthermore, the Oxyma moiety contained in COMU suggests a lower risk of explosion than in the case of the benzotriazole derivatives. © 2009 Wiley-VCH Verlag GmbH & Co. KGaA.
Authors & Co-Authors
El-Faham, Ayman
Spain, Barcelona
Irb Barcelona - Institute for Research in Biomedicine
Saudi Arabia, Riyadh
King Saud University
Egypt, Alexandria
Faculty of Science
Funosas, Ramon Subirós
Spain, Barcelona
Irb Barcelona - Institute for Research in Biomedicine
Spain, Barcelona
Universitat de Barcelona
Prohens, Rafel
Spain, Barcelona
Universitat de Barcelona
Alberício, Fernando
Spain, Barcelona
Irb Barcelona - Institute for Research in Biomedicine
Spain, Barcelona
Universitat de Barcelona
Statistics
Citations: 230
Authors: 4
Affiliations: 4
Identifiers
Doi:
10.1002/chem.200900615
ISSN:
09476539
e-ISSN:
15213765